Baldor mn792 manual

Series 29 Digital DC Control Installation & Operating Manual 9/03 MN792[...]

[...]

T able of Contents T able of Contents i MN792 Section 1 Quick Start 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Minimum Connection Requirements 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

ii T able of Contents MN792 Blower Motor Starter 4-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thermal Protection 4-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

T able of Contents iii MN792 Password 6-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PID 6-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

iv T able of Contents MN792 Manage T rips from the Keypad 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T rip Messages 8-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

Section 1 Quick Start Quick Start 1-1 MN792 The basic steps for connection and setup are provided in this section. Detailed descriptions of each step and parameter settings are provided later in this manual. Be sure to comply with all applicable codes when installing this control. The Series 29 DC control is a one way control. That is, it is non ?[...]

1-2 Quick Start MN792 Reference and Jumpers for Remote Operation For remote operation, the speed reference and other connections are made at the terminal strip connector . Not all of these connections are shown in Figure 1-3. Figure 1-3 Reference and Jumper Connections Minimum jumper connections: A1 to A2 – 500 ohm jumper for 20mA input A6 to B3 [...]

Quick Start 1-3 MN792  and  scroll the menu choices, and “ M ” goes to next level menu and “ E ” comes back up one menu level. Action Description Display Comments Apply Power Keypad Display shows this opening message. FORW ARD REF: 0.00% Local control display . Press “ PROG ” key BALDOR DC DRIVE DC 4Q 15A This message may be diffe[...]

1-4 Quick Start MN792 Configure the drive parameters and block diagram connections. Action Description Display Comments Press “ M ” key DC 4Q 15A MENU LEVEL Press “ M ” key Access the menus. MENU LEVEL DIAGNOSTICS Press  or  Scroll to “ Configure Drive ” menu. MENU LEVEL SETUP P ARAMETERS Press “ E ” when done. Setup Parameter[...]

Section 2 General Information General Information 2-1 MN792 Copyright Baldor  2002. All rights reserved. This manual is copyrighted and all rights are reserved. This document may not, in whole or in part, be copied or reproduced in any form without the prior written consent of Baldor . Baldor makes no representations or warranties with respect t[...]

2-2 General Information MN792 Product Notice Intended use: These drives are intended for use in stationary ground based applications in industrial power installations according to the standards EN60204 and VDE0160. They are designed for machine applications that require variable speed controlled three phase brushless AC motors. These drives are not[...]

General Information 2-3 MN792 PRECAUTIONS: W ARNING: Do not touch any circuit board, power device or electrical connection before you first ensure that power has been disconnected and there is no high voltage present from this equipment or other equipment to which it is connected. Electrical shock can cause serious or fatal injury . W ARNING: Be su[...]

2-4 General Information MN792 Caution: T o prevent equipment damage, be certain that the input power has correctly sized protective devices installed as well as a power disconnect. Caution: A void locating the control immediately above or beside heat generating equipment, or directly below water or steam pipes. Caution: A void locating the control [...]

Section 3 Getting Started Getting Started 3-1 MN792 Control Overview Control Loops In very simple terms, control of the DC motor is maintained by Control Loops. An inner Current Loop and an outer Speed Loop are used. These control loops are shown in the Block Diagram of Appendix C. From the keypad, you can select the control loops to be used by the[...]

3-2 Getting Started MN792 Local and Remote Modes Determine what operating mode is best for your application. Four modes are possible, see Figure 3-2. Figure 3-2 Local and Remote Modes Analog & Digital Inputs and Outputs Remote: T erminal Strip Setting Remote: Serial Setting Remote: COMMS Setting Local: Keypad Setting (Factory Setting) Process c[...]

Getting Started 3-3 MN792 Source / Destination T ags The control is very flexible because of the programming capability . The software block diagram of the control is shown in Appendix C. Each logic block has inputs and outputs. These I/O points are called “ T ags ” because they have a tag number associated with it and shown in brackets “ [ta[...]

3-4 Getting Started MN792 Programming Block A very important step to installing this control is to determine the configuration that will best implement your application. Each input and output of each block has an assigned tag number . T ags are connected in software much like jumper wires are used in hardware. The control is shipped with a factory [...]

Getting Started 3-5 MN792 T able 3-1 Set Analog Input 1 for 4 – 20mA Continued Action Description Display Comments Press M Access Configure I/O menu. CONFIGURE ENABLE DISABLE This is menu level 3. Before any parameter values can be changed, Configure Enable must be “ Enabled ” (it is normally disabled ” ). Press  Change Configure Enable [...]

3-6 Getting Started MN792[...]

Section 4 Receiving and Installation Receiving & Installation 4-1 MN792 Receiving & Inspection Baldor Controls are thoroughly tested at the factory and carefully packaged for shipment. When you receive your control, there are several things you should do immediately . 1. Observe the condition of the shipping container and report any damage [...]

4-2 Receiving & Installation MN792 Cover Removal T o connect power and signal wires, the cover must be removed. This procedure describes how to access all terminal connections inside the control. 1. Loosen the two cover screws shown in Figure 4-8, then lift and remove the cover as shown. Figure 4-1 T op Cover Removal Cover Screws (2) Lift and r[...]

Receiving & Installation 4-3 MN792 Cover Removal Continued 3. The control and base are hinged and are opened as shown in Figure 4-3. Figure 4-3 Hinged Assembly Raise the control to expose the base The knock – out panel is part of the base assembly to allow connections to be made. Use the correct size rubber grommet, conduit coupling or 360 de[...]

4-4 Receiving & Installation MN792 Optional Remote Keypad Installation (Enclosure rating of IP54 when correctly mounted). The keypad may be remotely mounted using optional Baldor keypad extension cable. T ools Required: • Center punch, file and screwdrivers (Phillips and straight) and crescent wrench. • #19 drill and drill motor . Figure 4-[...]

Receiving & Installation 4-5 MN792 Electrical Installation All interconnection wires between the control, AC power source, motor , host control and any operator interface stations should be in metal conduits. Use listed closed loop connectors that are of appropriate size for wire gauge being used. Connectors are to be installed using crimp tool[...]

4-6 Receiving & Installation MN792 Electrical Installation Continued Isolation T ransformer Sizing Use the information in T able 4-2 to select the KV A rating of the transformer based on the HP rating of the control. The secondary voltage will be the input voltage to the control and the impedance should be 2% or less. One exception to T able 4-[...]

Receiving & Installation 4-7 MN792 Electrical Installation Continued Figure 4-7 Size 1 – 5 Power T erminal Locations Power Connections Motor Ground Earth from AC Main Supply Size 1 and 2 Size 3 A+ A – L1 L2 L3 Size 4 L1 L2 L3 A+ A- Field Connections Logic Supply , Contactor & Thermistor Connections Size 5 L1 L2 L3 A+ A+ Field Connection[...]

4-8 Receiving & Installation MN792 Electrical Installation Continued Power Connections Single phase operation of this control is not possible. Power connections are shown in Figure 4-8. (The location of these terminals is shown in Figure 4-9). Figure 4-8 3 Phase Power Connections L1 L2 L3 L1 L2 L3 Earth Note 2 Baldor Control Note 1 Notes: 1. Se[...]

Receiving & Installation 4-9 MN792 Electrical Installation Continued Motor Connections Motor connections are shown in Figure 4-10. (The location of these terminals is shown in Figure 4-9). Note: If your motor requires more than 85% of the line voltage as its DC input voltage, a step up transformer is required. This is added between the incoming[...]

4-10 Receiving & Installation MN792 Electrical Installation Continued External Field T erminal and Jumper Locations – Size 2 The position of the jumper selects the board to use either an internal or external motor field. Figure 4-12 External Field Sensor Plug Jumper Settings Jumper selecting external field supply Jumper selecting internal fie[...]

Receiving & Installation 4-1 1 MN792 Electrical Installation Continued External Field T erminal and Jumper Locations – Size 4 and 5 Relocating the Red and Y ellow phase wires (as shown in Figure 4-14) allows terminals FL1 and FL2 to be used as the external field AC supply connections. External fuse must not exceed 30A. Figure 4-14 External Fi[...]

4-12 Receiving & Installation MN792 Electrical Installation Continued Figure 4-16 M Contactor Operation Sequence T urn-ON Run Time T urn-OFF M Contact Enable 20 msec. Motor Flux “ Drive ON ” Output Mech. Brake Release (If user installed) Speed/T orque Command 50 msec. Brake Set T ime Blower Motor Starter Optional Size 1 and 2 controls only [...]

Receiving & Installation 4-13 MN792 Electrical Installation Continued Thermal Protection T erminals TB3 TH1 and TH2 are available for connection to a normally closed thermostat or overload relay in all operating modes as shown in Figure 4-17. The thermostat or overload relay should be a dry contact type with no power available from the contact.[...]

4-14 Receiving & Installation MN792 Electrical Installation Continued T achometer Installation The tachometer expansion board can be used to connect either an AC T ach or a DC T ach to the control (only one may be used). Shielded wire must be used for tachometer connection. T able 4-7 defines the tachometer connections to the tachometer expansi[...]

Receiving & Installation 4-15 MN792 Control I/O Signal Connections All connections made to terminal blocks A, B and C must be isolated signal voltages. If in doubt a connection, contact Baldor . Only shielded, twisted pair cables should be use. Minimum wire size is 18A WG (0.75mm 2 ). All cables should be installed using the appropriate couplin[...]

4-16 Receiving & Installation MN792 Control I/O Signal Connections Continued Analog Outputs Connector T erminal Signal Description A7, A8, A9 Three analog outputs are available, AnOut1 – AnOut3. A1 is the 0V common reference point. Figure 4-22 Analog Outputs See Recommended Tightening T orques in Section 9. Analog Outputs A7 Control A1 0V A8 [...]

Receiving & Installation 4-17 MN792 Control I/O Signal Connections Continued Figure 4-23 Run/Stop Connections See Recommended Tightening T orques in Section 9. B8 Program Stop B9 Coast Stop C4 Control C3 Enable C5 Reverse Start C9 +24VDC RE Emergency Stop Relay (Optional) (Shown in energized - Run position) C7 C6 Jog/Slack Mode C8 Speed/T orque[...]

4-18 Receiving & Installation MN792 RS232 Connections The keypad connector shown in Figure 4-25 is used for RS232 communications. Workbench D is the block programming software for Windows PCs. It has a graphical user interface and drawing tools to allow you to create block programming diagrams quickly and easily . Figure 4-25 System Port (P3) K[...]

Section 5 Switch Setting and Start-Up Power Board SW2 SW1 HI LO HI LO IF CAL IA CAL Switch Setting & Start-Up 5-1 MN792 Pre – Operation Checks When the installation is complete, several things should be verified before power is applied. 1. Be sure AC power is of f at the main disconnect or circuit breakers. 2. Measure the main AC supply volta[...]

5-2 Switch Setting & Start-Up MN792 Power up in Local Mode with Armature Feedback Continued 3. Set the parameter Configure Enable to “ Enabled ” . Action Description Display Comments Apply Logic Power Keypad Display shows this opening message. FORW ARD REF: 0.00% LED ’ s are flashing. After several seconds the next screen is displayed. Pr[...]

Switch Setting & Start-Up 5-3 MN792 Power up in Local Mode with Armature Feedback Continued 6. Set the Field Current. Note the nominal field current from the motor rating plate and set this value in the Field Current parameter . Action Description Display Comments Press  Scroll to the Field Current parameter . CONFIGURE DRIVE CONFIGURE ENABL[...]

5-4 Switch Setting & Start-Up MN792 Power up in Local Mode with Armature Feedback Continued The control is now ready to run from the keypad using armature feedback. 1. The logic power is still applied, the keypad display is normal, the motor is connected but the load is removed. 2. Apply 3 phase power . 3. V erify that the keypad and LED displa[...]

Switch Setting & Start-Up 5-5 MN792 Power up in Remote Mode with Feedback This procedure assumes that the terminal strip (connectors A, B C) are wired according to the instructions provided in Section 4 and the feedback device is properly installed. (The start up mode is defined by Parameter [517] =False for remote operation which is the same a[...]

5-6 Switch Setting & Start-Up MN792 Power up in Remote Mode with Feedback Continued 5. Set the Armature Current. Note the maximum armature current from the motor name plate and set this value in the Armature Current parameter . Action Description Display Comments Press  Scroll to the Armature Current parameter . CONFIGURE DRIVE CONFIGURE ENA[...]

Switch Setting & Start-Up 5-7 MN792 Power up in Remote Mode with Feedback Continued 9. Set the Configure Dive::Configure Enable parameter to disable (see step 3). 10. Save the settings. Action Description Display Comments Start at Menu Level 1 MENU LEVEL DIAGNOSTICS Press  Scroll to “ P ARAMETER SA VE ” menu. MENU LEVEL P ARAMETER SA VE [...]

5-8 Switch Setting & Start-Up MN792 Power up in Remote Mode with Feedback Continued 8. V erify that C9 is +24VDC (reference to B1), and that B3 is – 10VDC (reference to B1). 9. Select the Speed Feedback type. Action Description Display Comments Press  Scroll to “ Configure Drive ” menu. MENU LEVEL CONFIGURE DRIVE Press “ M ” key Ac[...]

Switch Setting & Start-Up 5-9 MN792 Power up in Remote Mode with Feedback Continued 14. Set the Configure Dive::Configure Enable parameter to disable (see step 9). 15. Save the settings. Action Description Display Comments Start at Menu Level 1 MENU LEVEL DIAGNOSTICS Press  Scroll to “ P ARAMETER SA VE ” menu. MENU LEVEL P ARAMETER SA VE[...]

5-10 Switch Setting & Start-Up MN792 e. Is the FLD CTRL Mode parameter set to V oltage Control or Current Control? If set to V oltage Control, check the value of the FLD. V olts Ratio parameter . Set this to 65% to obtain 300V fields from 460V lines. If set to Current Control, check the field current calibration set – up, refer to “ Calibra[...]

Switch Setting & Start-Up 5-1 1 MN792 Power up in Remote Mode with Feedback Continued Note: Reverse Operation is possible with the Series 30 REGEN Drives only . 31. With the MAIN CURR.LIMIT parameter set to 20% or the level required to achieve rotation, set the value of the Speed Setpoint to 10%, 1.0V at setpoint input. The motor will accelerat[...]

5-12 Switch Setting & Start-Up MN792 Power up in Remote Mode with Feedback Continued 8. Reset the MAIN CURR. LIMIT to 100% to correspond to 100% full load current (FLC). Note: The controller cannot achieve 200% current unless the CUR LIMIT/SCALER parameter is increased to 200% (from its factory setting of 100%). Until this is done, the External[...]

Switch Setting & Start-Up 5-13 MN792 Speed Loop Adjustment Y ou will need to adjust the Speed Loop for your application although in most cases the factory settings are acceptable. The optimum Speed Loop performance is achieved by adjusting the PROP . Gain and INT . T ime CONST . parameters. 1. Produce a small step – change to the speed setpoi[...]

5-14 Switch Setting & Start-Up MN792 Starting and Stopping Methods Continued Normal Stop Action – Remove 24V from T erminal C3 to stop. The motor speed is brought to zero in a time defined by the Stop T ime parameter . t 0% t t 0% t 0% 0% Actual stopping rate depends on load inertia, motor hp, and overload capability of the drive. Drive is di[...]

Switch Setting & Start-Up 5-15 MN792 Starting and Stopping Methods Continued Program Stop (terminal B8) Action – Remove 24V from T erminal B8 to stop. The motor speed is brought to zero by conditions defined in PROG. Stop T ime (ramp rate) and PROG. Stop I Limit parameters. t t 0% 0% t 0% Current Limit set by PROG Stop I Limit (100%) Drive is[...]

5-16 Switch Setting & Start-Up MN792 Starting and Stopping Methods Continued Coast to Stop (terminal B9) Action – Remove 24V from T erminal B8 to stop. The motor speed is brought to zero by conditions defined in the PROG. Stop T ime (ramp rate) and PROG. Stop I Limit parameters. The control output is automatically quenched and the contactor i[...]

Switch Setting & Start-Up 5-17 MN792 Upload/Download Procedure (UDP) Upload This procedure will transfer the parameters from a file at the host computer to the non – volatile memory of the Control. This information is written directly to EEPROM, so all the drive ’ s settings are overwritten . The procedure is as follows: 1. V erify the Cont[...]

5-18 Switch Setting & Start-Up MN792 DUMP Procedure This procedure will transfer the control ’ s settings in a text format that is clear and easy to read. 1. V erify the Control is properly connected to the PC. 2. Use a standard communications software package installed at the PC. Set the COM port for 9600, 8, 1, None. Prepare the PC communic[...]

Section 6 Programming Programming 6-1 MN792 Overview The shipping configuration allows the user to start up and run a DC motor in simple speed control. The flexibility is having the ability to change configuration and to tune the control for optimum performance. The parameters most frequently adjusted for tuning and performance are in the Setup Par[...]

6-2 Programming MN792 Parameter T ypes Each drive parameter is associated with a unique address, or “ tag. ” When “ connecting ” any parameter to drive inputs, outputs, or links, this tag is designated as the source or destination address. These drive parameters are listed by tag number , parameter name and menu group name in the appendix o[...]

Programming 6-3 MN792 Figure 6-1 12 3 4 Diagnostics Setup Parameters Password Alarm Status Menus Menu Levels Serial Links System Configure Drive Parameter Save Full & Reduced Views Full View Only Ramps AUX I/O OP Station Raise / Lower Jog / Slack Special Blocks Setup Local Ramp Startup V alues PID FLD V oltage V ARS FLS Current V ARS Current Pr[...]

6-4 Programming MN792 Parameter Descriptions Analog Inputs Five analog input blocks are used to scale and clamp the inputs for terminals A2 through A6. Analog input 1 is the 0 – 20mA or 4 – 20mA input. Analog input 2 is the main speed loop input (without Accel/Decel ramps). Analog input 3 is Speed setpoint no. 3. Analog input 4 is the negative [...]

Programming 6-5 MN792 Analog Inputs Continued Input Description Analog input 1 T erminal (A2) Used as a unipolar 0 – 20mA ramped speed command channel. Output [246] is connected to Setpoint Sum 1, Input 1. T o use 4 – 20mA requires setting the Min value to 25%, the Max V alue to 125% and the Setpoint Sum1, Input 2 to ( – )25%. These settings [...]

6-6 Programming MN792 Analog Outputs Three Analog Outputs are available, A7, A8 and A9. A7 and A8 can be configured and the source of an analog output signal can be read from any parameter . It is important to remember that other parameters do not “ send ” signals to the output terminal. An output terminal “ retrieves ” the signal from the [...]

Programming 6-7 MN792 Analog Outputs Continued Example 1 – Read the field current feedback using Analog Output 1. The tag number for the field current feedback parameter is 300. 1. Set CONFIGURE I/O::CONFIGURE ENABLE to Enable. 2. Set ANALOG OUTPUTS::ANOUT 1 (A7):: SOURCE T AG to 300. 3. Set ANALOG OUTPUTS::ANOUT 1 (A7):: % T O GET 10 VDC to 100%[...]

6-8 Programming MN792 AUX I/O The auxiliary I/O parameters allow an external computer (or PLC) to control the Start, Jog and Enable terminals. Start, Enable and Jog digital input terminals C3, C4, C6 and C7 respectively connect directly to the AUX I/O block. Output signals are then sent to the drive start and drive enable logic and the Jog/Slack fu[...]

Programming 6-9 MN792 AUX I/O Continued Functional Description The external device sends its signal directly to the required tag (PNO). In the case of auxiliary digital inputs AUX Start, AUX Jog and AUX Enable, the overall input will be the result of the “ AND ” gating of the normal terminal signal with the auxiliary signal from an external com[...]

6-10 Programming MN792 AUX I/O Continued Example Bit Patterns Sequence Status Comment 0001 101 1 0000 101 1 Running 0000 0100 0100 101 1 T ripped, Run High 0000 0100 0100 01 1 1 Tripped, Run Low , Enable Low 0000 1 100 0100 01 1 1 T rip Acknowledged, Healthy o/p TRUE Alarm stays high until drive is restarted. Example Serial commands using EI – AS[...]

Programming 6-1 1 MN792 Block Diagram The Block Diagram parameters make the connections of input and output tags for the blocks identified on the block diagrams of Appendix C. These connections are only executed when the destinations are connected to a non – zero tag. If a function is not required, set its destination tag to zero. A tag=0 causes [...]

6-12 Programming MN792 Calibration This block contains parameters specific to the motor . Note: Control operation is suspended and all Keypad LEDs will flash while the Configure Enable = Enabled. 1 SETUP P ARAMETERS 2 CALIBRATION Configure Enable NOM Motor Volts Armature Current Field Current Armature V CAL IR Compensation Encoder RPM Encoder Lines[...]

Programming 6-13 MN792 Calibration Continued Parameter Descriptions Continued Encoder RPM Max motor speed when using encoder feedback. Range: 0 to 6000 RPM Encoder Lines Sets the lines per revolution value of the encoder being used. Range: 10 to 5000 Analog T ACH CAL T rim adjustment of the motor speed to give exactly 100% at the required actual sp[...]

6-14 Programming MN792 Configure Drive This menu contains many of the parameters required for configuring the drive. The Configure Drive menu is only available at the keypad. Note: Control operation is suspended and all Keypad LEDs will flash while the Configure Enable = Enabled. 1 CONFIGURE DRIVE Configure Enable NOM Motor Volts Armature Current F[...]

Programming 6-15 MN792 Current Loop Allows parameters to be customized for the conventional current loop (torque loop) of the control. 1 SETUP P ARAMETERS 2 CALIBRATION Configure Enable NOM Motor Volts Armature Current Field Current Armature V CAL IR Compensation Encoder RPM Encoder Lines Analog T ACH CAL Zero SPD Offset Armature I (A9) SPDFBK Alar[...]

6-16 Programming MN792 Current Loop Continued Parameter Descriptions At Current Limit (Read in Diagnostics Parameters) T rue indicates that current demand equals or exceeds maximum current limit. Range: 0 : False 1 : T rue IA Demand (Read in Diagnostics Parameters) (IaDmd Unfiltered) Range: xxx.xx % (h) IA Feedback (Read in Diagnostics Parameters) [...]

Programming 6-17 MN792 Current Profile When speed control is obtained by field weakening, the ability of the motor to commutate armature current is reduced at low field currents. Also some motors exhibit commutation limitations at higher speeds even with rated field current. 1 SETUP P ARAMETERS 2 CURRENT PROFILE Speed Break 1 (Low) Speed Break 2 (H[...]

6-18 Programming MN792 Diagnostics This function block is used to monitor the status of the drive, internal variables, and its inputs and outputs. 1 DIAGNOSTICS Speed Demand Speed Feedback Speed Error Speed Loop Output Current Demand Current Feedback Current FBK AMPS IaFBK Unfiltered IaDemand Unfiltered POS I Clamp NEG I Clamp Actual POS I LIM Actu[...]

Programming 6-19 MN792 Diagnostics Continued Parameter Descriptions Inverse Time Output (shown in Current Loop block) Inverse time clamp output level. Range: xxx.xx % At Current Limit (shown in Current Loop block) Current demand is being restrained by the overall current limit. Range: 0 : False 1 : T rue At Zero Speed (shown in Standstill block) At[...]

6-20 Programming MN792 Diagnostics Continued Parameter Descriptions Digital Input C4 Enable terminal. Range: 0 : Off 1 : On Digital Input C5 Reverse terminal. Range: 0 : Off 1 : On DIGIN 1 (C6) Jog/Slack terminal. Range: 0 : Off 1 : On DIGIN 2 (C7) Jog/Slack Mode terminal. Range: 0 : Off 1 : On DIGIN 3 (C8) Speed or T orque mode select terminal. Ra[...]

Programming 6-21 MN792 Digital Inputs Allows control of the digital operating parameters of the software. The digital input can be configured to point to a destination location and to set that destination true or false depending upon programmable values. 1 SYSTEM 2 CONFIGURE I/O 3 DIGITAL INPUTS 4 DIGIN 1 (C6) 4 DIGIN 2 (C7) 4 DIGIN 3 (C8) Destinat[...]

6-22 Programming MN792 Digital Inputs Continued Functional Description The destination for a digital input can be any valid T ag number . This means that a digital input can be used to select one of two values for a given parameter . It is also possible to treat the values for true and false as destination tags from other functions or inputs. 0.00%[...]

Programming 6-23 MN792 Digital Inputs Continued Digital input 1 now sends a 0 when the input signal is true and 1 when it is false. ANALOG I/P 5 - + A5 A6 Analog IN 4 From Speed Loop [66] [48] NEG I Clamp Analog IN 4 [90] Bipolar Clamps Digital IN 1 [301] POS I Clamp Analog IN 5 -1 PI [65] Armature Current Feedback Phase Angle Control Current Limit[...]

6-24 Programming MN792 Digital Inputs Continued Example 4 – Use Digital Input 1 to switch signal sources 1. Set CONFIGURE I/O::CONFIGURE ENABLE to ENABLE. 2. Set DIGIN 1 (C6)::DESTINA TION T AG to 364 (Link 1 source tag parameter). 3. Set DIGIN 1 (C6)::V ALUE FOR TRUE to 1.29% (tag number for AUX I/O::ANOUT 2=129). 4. Set DIGIN 1 (C6)::V ALUE FOR[...]

Programming 6-25 MN792 Digital Outputs Digital outputs can read all parameters (the same as the analog outputs). When used with a V ALUE parameter , MODULUS removes the sign from the value (so – 100 becomes 100). The THRESHOLD (>) parameter determines when the output is HIGH or LOW . The input signal must exceed the Threshold value for the out[...]

6-26 Programming MN792 Field Control This function block contains all the parameters for the field operating mode. It is viewed at the keypad in three submenus. In the Field Control menu, you select the field operating mode: open loop voltage control or closed loop current control. In certain DC motor applications, high speeds can only be achieved [...]

Programming 6-27 MN792 Field Control Continued Parameter Descriptions MAX VOL TS The voltage level at which field weakening begins. It is also known as “ Spillover Bias ” . The factory setting value is 100% of the nominal value as set by the armature voltage calibration value. For start – up this value can be set to a lower desirable level. I[...]

6-28 Programming MN792 Alarms This function block provides a view into the present and past trip conditions, and allows some trips to be disabled. It is viewed at the keypad in three menus. 1 SETUP P ARAMETERS 2 INHIBIT ALARMS) Field Fail 5703 RCV Error Stall Trip Trip Reset Speed FBK Alarm Encoder Alarm REM Trip Inhibit 1 ALARM ST A TUS Last Alarm[...]

Programming 6-29 MN792 Jog/Slack These parameters control the Jog function of the control. (Also see “ Ramps ” description). 1 SETUP P ARAMETERS 2 Jog/Slack Jog Speed 1 Jog Speed 2 T ake Up 1 T ake Up 2 Crawl Speed Mode Ramp Rate [496] Jog/Slack Off [253] T ake Up 1 +5.00% [254] T ake Up 2 -5.00% T ag Parameter Factory Setting [225] Crawl Speed[...]

6-30 Programming MN792 Menus Allows selection of either the full menu structure, or a reduced menu structure. It also selects the language for the keypad display . 1 MENUS Full Menus Language Menus [37] Full Menus [547] Speed FDBK Filter Enabled 0.000 Engl ish [304] Language 1 SETUP P ARAMETERS 4 SPEED LOOP Speed FBK Filter Parameter Descriptions F[...]

Programming 6-31 MN792 OP Station (Keypad) Local operation parameters are set using three menus. 1 SETUP P ARAMETERS 2 OP-STA TION 3 SETUP Set Point JOG Setpoint Local Key Enable 1 SETUP P ARAMETERS 2 OP-STA TION 3 START UP V ALUES Setpoint JOG Setpoint Forward Program Local 1 SETUP P ARAMETERS 2 OP-STA TION 3 LOCAL RAMP Ramp ACCEL Time Ramp DECEL [...]

6-32 Programming MN792 PID This is a general purpose PID block which can be used for many closed loop control applications. PID feedback can be loadcell tension, dancer position or any other transducer feedback such as pressure, flow etc. 1 SETUP P ARAMETERS 2 SPECIAL BLOCKS 3 PID PROP Gain INT Time CONST Derivative TC Positive Limit Negative Limit[...]

Programming 6-33 MN792 PID Continued Parameter Descriptions FIL TER T .C. T o attenuate high – frequency noise, a first order filter is added in conjunction with the differentiator. The ratio k of the Derivative T ime Constant (Td) over the Filter T ime Constant (Tf) (typically 4 or 5) determines the high – frequency lift of the transfer functi[...]

6-34 Programming MN792 Raise/Lower Provides a motor operated potentiometer (MOP) feature. Raise input [261], when true, increases the output at the rate determined by increase rate [256]. Lower input [262] decreases the output as determined by decrease rate [257]. MIN value and MAX value limits the total change by the amounts set. The output is not[...]

Programming 6-35 MN792 Ramps This function block provides the facility to control the rate at which the control will respond to a changing setpoint. 1 SETUP P ARAMETERS 2 RAMPS Ramp ACCEL Time Ramp DECEL Time Constant ACCEL Ramp Hold % S-Ramp Ramping Thresh Auto Reset External Reset Reset V alue MIN Speed [5] Ramp Input 0.00% [126] Min Speed 0.00% [...]

6-36 Programming MN792 Ramps Continued Parameter Descriptions Reset V alue This value is loaded into the output when Ramp Reset is true, or at power – up. T o catch a spinning load smoothly ( ‘ bumpless transfer ’ ), connect Speed Feedback [62] (source) to Reset V alue [422] (destination). Range: – 300.00 to 300.00 % MIN. Speed The minimum [...]

Programming 6-37 MN792 Ramps Continued t Minimum Speed Drive Enabled 100% 0% Ramp Input X% t 0 Ramp Input t 100% 0% X% t 0 Ramp Output Y% This figure shows the effect of setting MIN. Speed above 0.00%. When the drive is enabled, the ramp output cannot decrease below the MIN. Speed value. Note the ramp rates are used when changing the output from mi[...]

6-38 Programming MN792 Setpoint Sum 1 Setpoint Sum 1 allows the summing and scaling of three analog inputs to produce SPT . Sum Output [294]. Note: This block is ignored by the drive unless [294] is connected to a nonzero destination tag. Input 0 and Input 1 have individual ratio and divider scalers, and signs. Input 1 has an additional deadband fu[...]

Programming 6-39 MN792 Speed Loop Speed loop selects the speed feedback source and tunes the speed loop PI to produce a current demand. The parameters are set in several menus, some parameters can be set in multiple menus. Speed FBK Select determines the source of the speed feedback signal. The default, Arm Volts FBK, uses internal circuitry to der[...]

6-40 Programming MN792 Speed Loop Continued Parameter Descriptions Speed Loop Output SPD Loop Output (Read in Diagnostics Parameters) Output from Speed Loop PI. Range: xxx.xx % Speed Feedback (Read in Diagnostics Parameters) The speed feedback value from the source chosen by SPEED FBK SEL. Range: xxx.xx % Speed Setpoint (Read in Diagnostics Paramet[...]

Programming 6-41 MN792 Speed Loop Continued Advanced This function block is shown in Speed Loop Adaption Adjusts speed loop gain scheduling. Zero SPD Quench Similar to Standstill logic (i.e. keeps the contactor in but motor current drops to zero) except the speed loop stays enabled and will cause the current loop to unquench very quickly . 1 SETUP [...]

6-42 Programming MN792 Standstill Standstill logic is used to inhibit rotation during Zero Speed demand. If the drive is below the zero speed threshold [12] and Standstill Logic [1 1] is enabled, the speed and current loops are quenched to prevent shaft oscillation around zero speed. Standstill Logic is useful in maintaining absolute zero speed but[...]

Programming 6-43 MN792 Stop Rates Sets the stop method parameters for the control. A normal stop occurs when the Run signal is removed from terminal C3. It ramps the speed demand to zero at a rate set by Stop T ime. Series 29 Non – regenerative drives will stop no faster than the coast stop rate. Series 30 Regenerative drives use Stop T ime to se[...]

6-44 Programming MN792 Stop Rates Continued Functional Description Stop Hierarchy Coast Stop – T erminal B9 • Disables the drive and opens the contactor using the pilot output Enable – T erminal C4 • Suspends and resets the control loops Program Stop – T erminal B8 • Independent ramp time • Stop T imer • Independent current limit ma[...]

Programming 6-45 MN792 Stop Rates Continued Time Out During a Normal Stop When a normal stop takes longer than the Stop Limit time, the control disables and the contactor is de – energized. 0 100 Speed Setpoint % 0 100 Speed Demand % 0 100 Speed Feedback % 0 Drive Enable 0 Run LED and Contactor LED 2 Stop Zero Speed 2.00% Stop Time 10.0 Seconds E[...]

6-46 Programming MN792 Stop Rates Continued Normal Program Stop Sequence Program Stop is a latched operation. When a Program Stop command is received (B8 goes to zero volts), the stop continues even if 24 volts is restored at terminal B8. 0 100 Speed Setpoint % 0 100 Speed Demand % 0 100 Speed Feedback % 0 Drive Enable 0 Run LED and Contactor LED 2[...]

Programming 6-47 MN792 Stop Rates Continued Time Out During a Normal Program Stop The time out operation is the same for both a normal stop and a program stop. 0 100 Speed Setpoint % 0 100 Speed Demand % 0 100 Speed Feedback % 0 Drive Enable 0 Run LED and Contactor LED 2 Stop Zero Speed 2.00% PROG Stop Time 0.10 Seconds Enabled On Off Disabled Prog[...]

6-48 Programming MN792 System Port P3 The System Port (P3) is a non – isolated RS232 serial communications port. The port is used of f – line (while the drive is stopped) for transferring and saving drive configuration files using a personal computer (PC) running a serial communications program, or online (while running) with the Peer – to ?[...]

Programming 6-49 MN792 System Port P3 Continued Communication Port Setup For UDP data and text file transfers, set the host computer communication port settings as follows: 9600 Baud 8 bits 1 Stop bit XON/XOFF handshaking NO parity UDP transfer procedure Note: Set the P3 Baud Rate to match the PC ’ s COM port baud rate (9600 is recommended). DB9 [...]

6-50 Programming MN792 System Port P3 Continued UDP Download (UDP XFER From P3) A UDP download transfers the actual parameter and configuration settings from the control to a host computer . This file fully transfers all settings stored in EEPROM in a binary format and can be used as a back up file if the current drive settings are lost or if the d[...]

Programming 6-51 MN792 5703 Support The 5703 peer – to – peer communication option is not available. 1 SYSTEM 2 CONFIGURE I/O 3 CONFIGURE 5703 Source T ag Destination T ag 5703 Scaled Input [189] [134] Source T ag [131] SETPT Ratio [132] SETPT Sign 89 0.0000 Positive 0.00% Raw Input [187] 1 SERIAL LINKS 2 SYSTEM PORT P3 3 P3 SETUP 4 5703 SUPPOR[...]

6-52 Programming MN792 TEC Option The T echnology Option function block sets the inputs and outputs of the communications board options if installed. If a communications board is installed, refer to its manual for additional information. 1 SERIAL LINKS 2 TEC OPTION TEC Option Type TEC Option IN1 TEC Option IN2 TEC Option IN3 TEC Option IN4 TEC Opti[...]

Section 7 Keypad Operation Keypad Operation 7-1 MN792 Keypad The keypad allows full use of the Control ’ s features. The keypad provides “ Local ” motor control, status monitoring, and complete access for application programming. The display , LEDs and keys are shown in Figure 7-1. The Keypad Display displays the status information during loc[...]

7-2 Keypad Operation MN792 Keypad LED Status Seven LEDs indicate the status of the Control. Each LED (Figure 7-1) can operate in three different ways: Off , Blink , and On . T able 7-1 Control Status OK Run Stop Control Status Re – Configuration T ripped Stopped Stopping Running with Zero Reference Running Autotuning T able 7-2 Forward Reverse St[...]

Keypad Operation 7-3 MN792 Local Menu L R key (Figure 7-2) Pressing the L/R key from anywhere in the Menu System activates the Local menu. The Local menu provides setpoint information for local operation. Pressing and holding the M key in the Local menu will display additional Feedback information. A display of forward or reverse feedback or refere[...]

7-4 Keypad Operation MN792 Menu System The menu system is divided into nine major selections, shown in T able 7-4. Each selection has a structure of menus (Figure 7-3). At the keypad, press “ M ” to access the menus. Then press the  or  key to scroll through the menus. T able 7-4 The Keypad Display of the Main Menus Action Description Dis[...]

Keypad Operation 7-5 MN792 Figure 7-3 The Menu Map 12 3 4 Diagnostics Setup Parameters Password Alarm Status Menus Menu Levels Serial Links System Configure Drive Parameter Save Full & Reduced Views Full View Only Ramps AUX I/O OP Station Raise / Lower Jog / Slack Special Blocks Setup Local Ramp Startup V alues PID FLD V oltage V ARS FLS Curren[...]

7-6 Keypad Operation MN792 Menu Shortcuts and Special Key Combinations Quick T ag Information In any menu system, when a parameter is displayed hold down the “ M ” key for approximately 1 / 2 second to display the tag number for that parameter . In section 3, the example was given as shown in Figure 7-4. Each parameter has a tag number associat[...]

Keypad Operation 7-7 MN792 3 button reset (Changing the Power Base). This is only necessary if you are installing a new control board on an existing power base. Power – up the drive holding three keys as described in Figure 7-6. It is important that the control be configured for the correct power rating damage may occur to the drive when it attem[...]

7-8 Keypad Operation MN792 Operation Examples Select a Menu V iew Level T wo view levels are available: Full view or Reduced view . These were illustrated in Figure 7-3. Full view shows all menu choices. Reduced view only shows a portion of the menu items. Action Description Display Comments Apply Power Keypad Display shows this opening message. FO[...]

Keypad Operation 7-9 MN792 Password Protection A password prevents unauthorized parameter modification by making all parameters “ read – only ” . If you attempt to modify a password protected parameter , it will cause “ P ASSWORD ?? ” to be displayed. The password protection is activated or deactivated using the ENTER P ASSWORD and CHANGE[...]

7-10 Keypad Operation MN792 Deactivate a Password When password protection is activated, you can no longer edit the CHANGE P ASSWORD parameter until you deactivate the password protection (the value is displayed as “ **** ” ). First, enter the current password (e.g. 0x0002) in the ENTER P ASSWORD parameter . Action Description Display Comments [...]

Keypad Operation 7-1 1 MN792 Save Settings When parameter values have been changed they are not permanent until they are saved. If you turn power off then turn power on, the previous settings (stored in memory) will be used. T o make your new parameter settings the power up settings, they must be saved to non – volatile memory . These new values [...]

7-12 Keypad Operation MN792[...]

Section 8 T roubleshooting T roubleshooting 8-1 MN792 Overview When a trip occurs, the Control ’ s power stage is immediately disabled (tripped) causing the motor and load to coast to a stop. The trip remains until action is taken to reset the fault, even if the original cause of the trip is no longer present. If a trip condition is detected the [...]

8-2 T roubleshooting MN792 Alarm Messages When a trip occurs an alarm message is displayed at the keypad and information about the trip is stored in the Alarm Status menu. The alarm message and the Last Alarm parameter are displayed. The Health Store and Health Word parameters display information as hexadecimal values (0 – 9 and A, B, C, D, F sho[...]

T roubleshooting 8-3 MN792 T able 8-3 T rip LAST ALARM only 14 Autotune error F 0 0 1 14 Autotune aborted F 0 0 2 14 External trip F 0 0 5 14 Remote trip F 0 0 6 14 CONFIG Enabled F 2 0 0 14 No OP – Station F 4 0 0 14 PCB V ersion F F 0 5 14 Product code F F 0 6 When more than one trip is to be represented at the same time then the trip codes are[...]

8-4 T roubleshooting MN792 Manage T rips from the Keypad T rip Messages Most of the alarms have a delay timer so that the control only trips if the condition persists for the whole of the delay period. If the control trips, the display immediately shows a message indicating the reason for the trip. These messages are shown in T able 8-4. T able 8-4[...]

T roubleshooting 8-5 MN792 T able 8-4 Continued T rip Message and Description Possible Cause 3 – Phase Failed 3 – phase supply failure T otal failure of supply , or missing phase of 3 – phase supply (detected under most circumstances) – check main AC supply to the control, check high – speed thyristor protection fuses, check power chassis[...]

8-6 T roubleshooting MN792 Self T est Alarms Self T est Alarm and Meaning Possible Reason for Alarm (EEPROM) CHECKSUM F AIL Parameters not saved, or are corrupted. (The alarm appears at power – up or at the end of “ Upload ” UDP T ransfer) Corrupted UDP file loaded – press the E key and perform a P ARAMETER SA VE. The control will be return[...]

T roubleshooting 8-7 MN792 T est Points The following test points are located on the control board and can be accessed through the T echnology Option housing. When used with a meter , they will provide valuable information in the event of a fault. Contact Baldor for more information. T echnology Box Option IF IA 0V VA PEEK T able 8-5 T est Point De[...]

8-8 T roubleshooting MN792[...]

Section 9 Specifications & Product Data Specifications & Product Data 9-1 MN792 Identification Baldor Control Series 29 Digital DC 230/460V AC, 3 Phase Input V oltage BC29D7A XXXX –CXX Logic Power (Single Phase) CO7 Internal Logic T ransformer CO1 Requires 1 15V AC Logic Power CO2 Requires 230V AC Logic Power Digital DC Control Output Amp[...]

9-2 Specifications & Product Data MN792 Specifications : Continued Keypad Display : Display: Backlit LCD Alphanumeric 2 Lines x 16 Characters Keys: 10 key membrane with tactile response Display Function: Running Setting T rip Motor RPM, Output current, V oltage (selectable) Parameter values for setting and viewing Separate message for each trip[...]

Specifications & Product Data 9-3 MN792 Specifications: Continued Encoder Maximum Pulse Rate 100kHz Receiver Current 10mA per channel Minimum Dif ferential Input V oltage 3.5V Encoder supply 5VDC, 12VDC, 15VDC or 24VDC; 2W maximum T erminal Wire Size 16A WG T achometer Maximum Input V oltage 200VDC Switch settings Selectable in 1VDC increments [...]

9-4 Specifications & Product Data MN792 Dimensions M Size 1, 2, 3, 4 M Size 5 For safe operation, allow a clearance distance between each control and on all sides of each control. Dimensions Size Amp Rating A A1 B B1 C 1 15 – 35 14.8 (375) 14.2 (360) 7.9 (200) 5.5 (140) 8.7 (220) 2 40 – 165 21.5 (546) 21.0 (530) 7.9 (200) 5.5 (140) 1 1.5 (2[...]

Specifications & Product Data 9-5 MN792 Dimensions Continued EMC Filters EMC Filter Assemblies – 15A through 180A C A B B1 C1 PE CO467844U015 C A B B1 C1 PE CO467844U040 CO467844U070 CO467844U1 10 CO467844U165 984.0 944.0 80.0 370.0 300.0 47.0 PE L1 L2 L3 Line GND L1' L2' L3' Load Alternate Side Mount 15.0 8.5 14.5 4 Places 20.[...]

9-6 Specifications & Product Data MN792[...]

Appendix A CE Guidelines CE Guidelines A-1 MN792 CE Declaration of Conformity Baldor indicates that the products are only components and not ready for immediate or instant use within the meaning of “Safety law of appliance”, “EMC Law” or “Machine directive”. The final mode of operation is defined only after installation into the user ?[...]

A-2 CE Guidelines MN792 Using CE approved components will not guarantee a CE compliant system! 1. The components used in the drive, installation methods used, materials selected for interconnection of components are important. 2. The installation methods, interconnection materials, shielding, filtering and grounding of the system as a whole will de[...]

CE Guidelines A-3 MN792 EMC Installation Instructions T o ensure electromagnetic compatibility (EMC), the following installation instructions should be completed. These steps help to reduce interference. Consider the following: • Grounding of all system elements to a central ground point • Shielding of all cables and signal wires • Filtering [...]

A-4 CE Guidelines MN792 Cable Screens Grounding Cable (T wisted Pair Conductors) Conductive Clamp – Must contact bare cable shield and be secured to metal backplane. Input Signal Cable Grounding Cable Control Simulated Encoder Output Cable Grounding Cable Control To Controller Encoder Cable Grounding A+ A– B+ B– Expansion Board Encoder C+ C?[...]

Appendix B Parameter T able Parameter T able B-1 MN792 Parameter V alues (V ersion 5.13) RW: RO = Read Only , RW = Read / Write. WB Block = W orkbenchD Block name. T able B-1 Parameters Listed by T ag Number Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 2 RW Ramp Accel Time SETUP PARAMETERS::RAMPS Ramps 0.1 to 600.0 Secs 10.0 Se[...]

B-2 Parameter T able MN792 T able B-1 Parameters Listed by T ag Number Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 53 RO ANIN 4 (A5) DIAGNOSTICS Analog Input 4 xxx.xx VOL TS 0.00V bh Output 54 RO ANIN 5 (A6) DIAGNOSTICS Analog Input 5 xxx.xx VOL TS 10.00V bi Output 55 RO ANOUT 1 (A7) DIAGNOSTICS Analog Output 1 xxx.x[...]

Parameter T able B-3 MN792 T able B-1 Parameters Listed by T ag Number Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 107 RW V alue For False SYSTEM::CONFIGURE I/O::DIGIT AL INĆ PUTS::DIGIN 2 (C7) Digital Input 2 -300.00 to 300.00 % 0.00% cz 108 RW Destination T ag SYSTEM::CONFIGURE I/O::DIGIT AL INĆ PUTS::DIGIN 3 (C8[...]

B-4 Parameter T able MN792 T able B-1 Parameters Listed by T ag Number Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 181 RO Unfil. Field FBK DIAGNOSTICS Calibration xxx.xx % 0.00% f1 Output 182 RW Field I CAL. SETUP P ARAMETERS::CALIBRA TION Calibration 0.9800 to 1.1000 1.0000 f2 183 RO Field Demand DIAGNOSTICS Field C[...]

Parameter T able B-5 MN792 T able B-1 Parameters Listed by T ag Number Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 233 RW Calibration SYSTEM::CONFIGURE I/O::ANALOG INĆ PUTS::ANIN 2 (A3) Analog Input 2 -3.0000 to 3.0000 1.0000 gh 234 RW Max V alue SYSTEM::CONFIGURE I/O::ANALOG INĆ PUTS::ANIN 2 (A3) Analog Input 2 -3[...]

B-6 Parameter T able MN792 T able B-1 Parameters Listed by T ag Number Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 272 RW SPD.INT .TIME SETUP P ARAMETERS::SPEED LOOP::ADĆ V ANCED::ADAPTION Advanced 0.001 to 30.000 Secs 0.500 Secs hk 273 RW POS. LOOP P GAIN SETUP P ARAMETERS::SPEED LOOP::ADĆ V ANCED Advanced -200.00[...]

Parameter T able B-7 MN792 T able B-1 Parameters Listed by T ag Number Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 366 RW Source T ag SYSTEM::CONFIGURE I/O::INTERNAL LINKS::LINK 2 Link 2 0 to 549 0 k6 2, 3 367 RW Destination T ag SYSTEM::CONFIGURE I/O::INTERNAL LINKS::LINK 2 Link 2 0 to 549 0 k7 2, 3 368 RW Source T [...]

B-8 Parameter T able MN792 T able B-1 Parameters Listed by T ag Number Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 468 RW Destination T ag SYSTEM::CONFIGURE I/O::INTERNAL LINKS::LINK 9 Link 9 0 to 549 0 n0 2, 3 469 RW Source T ag SYSTEM::CONFIGURE I/O::INTERNAL LINKS::LINK 10 Link 10 0 to 549 0 n1 2, 3 470 RW Destina[...]

Parameter T able B-9 MN792 T able B-1 Parameters Listed by T ag Number Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 528 RO Last Alarm ALARM ST A TUS Alarms 0x0000 : No Active Alarms 0x0001 : Over Speed 0x0002 : Missing Pulse 0x0004 : Field Over I 0x0008 : Heatsink Trip 0x0010 : Thermistor 0x0020 : Over Volts (V A) 0x0[...]

B-10 Parameter T able MN792 Parameter V alues Continued R/W: RO = Read Only , RW = Read / W rite T able B-2 Parameters Listed by Name Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 266 RW % S-RAMP SETUP P ARAMETERS::RAMPS Ramps 0.00 to 100.00 % 2.50% he 245 RW % TO GET 10V SYSTEM::CONFIGURE I/O::ANALOG OUTĆ PUTS::ANOUT 1 (A7) An[...]

Parameter T able B-1 1 MN792 T able B-2 Parameters Listed by Name Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 15 RW CUR.LIMIT/SCALER CONFIGURE DRIVE Current Loop 0.00 to 200.00 % 90.00% af 594 RW CURR Decay Rate SETUP P ARAMETERS::ST OP RA TES Stop Rates 0 to 200.00 0.00 299 RO Current Demand DIAGNOSTICS Diagnostics [...]

B-12 Parameter T able MN792 T able B-2 Parameters Listed by Name Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 84 RO Drive Enable DIAGNOSTICS Diagnostics 0 : Disabled 1 : Enabled Disabled cc Output 376 RO Drive Running DIAGNOSTICS Unallocated 0 : False 1 : True False kg Output 82 RO Drive Start DIAGNOSTICS Diagnostics [...]

Parameter T able B-13 MN792 T able B-2 Parameters Listed by Name Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 41 1 RW Input 2 SETUP P ARAMETERS::SPECIAL BLOCKS::PID PID -300.00 to 300.00 % 0.00% lf 423 RW Input 2 SETUP P ARAMETERS::SETPOINT SUM 1 Setpoint Sum 1 -200.00 to 200.00 % 0.00% lr 202 RW INT . DEFEA T SETUP P[...]

B-14 Parameter T able MN792 T able B-2 Parameters Listed by Name Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 240 RW Max V alue SYSTEM::CONFIGURE I/O::ANALOG INĆ PUTS::ANIN 4 (A5) Analog Input 4 -300.00 to 300.00 % 100.00% go 243 RW Max V alue SYSTEM::CONFIGURE I/O::ANALOG INĆ PUTS::ANIN 5 (A6) Analog Input 5 -300.0[...]

Parameter T able B-15 MN792 T able B-2 Parameters Listed by Name Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 493 RO Output SYSTEM::CONFIGURE I/O::ANALOG INĆ PUTS::ANIN 2 (A3) Analog Input 2 xxx.xx % 0.00% np Output, 2 188 RW Over Speed Level SETUP P ARAMETERS::CALIBRA TION Calibration 0.00 to 200.00 % 125.00% f8 4 1[...]

B-16 Parameter T able MN792 T able B-2 Parameters Listed by Name Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 540 RW REM Trip Inhibit SETUP P ARAMETERS::INHIBIT ALARMS Alarms 0 : Enabled 1 : Inhibited Enabled p0 535 RW REM.SEQ.ENABLE SETUP P ARAMETERS::AUX I/O Aux I/O 0 : False, 1 : T rue FALSE ov 2 536 RW REM.SEQUENC[...]

Parameter T able B-17 MN792 T able B-2 Parameters Listed by Name Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 269 RW SPD BRK1 (LOW) SETUP P ARAMETERS::SPEED LOOP::ADĆ V ANCED::ADAPTION Advanced 0.00 to 100.00 % 1.00% hh 31 RW SPD BRK2 (HIGH) SETUP P ARAMETERS::CURRENT PROFILE Current Profile 0.00 to 100.00 % (h) 100.[...]

B-18 Parameter T able MN792 T able B-2 Parameters Listed by Name Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 57 RO T erminal Volts DIAGNOSTICS Calibration xxx.xx % (h) 0.0% bl Output 337 RO Thermistor State ALARM ST A TUS Unallocated 0 : False 1 : T rue False jd Output 195 RW Threshold (>) SYSTEM::CONFIGURE I/O::D[...]

Parameter T able B-19 MN792 Parameter V alues Continued R/W: RO = Read Only , RW = Read / W rite T able B-3 Parameters Listed by Keypad Menu Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 11 6 RO Health Store ALARM ST A TUS Alarms 0x0000 to 0xFFFF 0x0000 d8 Output 11 5 RO Health Word ALARM ST A TUS Alarms 0x0000 to 0xFFFF 0x0200 [...]

B-20 Parameter T able MN792 T able B-3 Parameters Listed by Keypad Menu Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 42 RO At Current Limit DIAGNOSTICS Current Loop 0 : False 1 : T rue False b6 Output 79 RO At Standstill DIAGNOSTICS Standstill 0 : False 1 : True Tru e c7 Output 78 RO At Zero Setpoint DIAGNOSTICS Stand[...]

Parameter T able B-21 MN792 T able B-3 Parameters Listed by Keypad Menu Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 59 RO UNFIL.ENCODER DIAGNOSTICS Calibration xxxxx RPM 0 RPM bn Output 64 RO UNFIL.SPD.ERROR DIAGNOSTICS Speed Loop xxx.xx % 0.00% bs Output 62 RO UNFIL.SPD.FBK DIAGNOSTICS Speed Loop xxx.xx % 0.03% bq O[...]

B-22 Parameter T able MN792 T able B-3 Parameters Listed by Keypad Menu Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 227 RW AUX JOG SETUP P ARAMETERS::AUX I/O Aux I/O 0 : Off 1 : On On gb 161 RW AUX ST ART SETUP P ARAMETERS::AUX I/O Aux I/O 0 : Off 1 : On On eh 497 RO Enable SETUP P ARAMETERS::AUX I/O Aux I/O 0 : Off [...]

Parameter T able B-23 MN792 T able B-3 Parameters Listed by Keypad Menu Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 178 RW MAX VOL TS SETUP P ARAMETERS::FIELD CONĆ TROL::FLD.CURRENT V ARS::FLD.WEAK V ARS Field Control 0.00 to 100.00 % 100.00% ey 179 RW MIN FLD.CURRENT SETUP P ARAMETERS::FIELD CONĆ TROL::FLD.CURRENT[...]

B-24 Parameter T able MN792 T able B-3 Parameters Listed by Keypad Menu Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 309 RW Input 0 SETUP P ARAMETERS::SETPOINT SUM 1 Setpoint Sum 1 -200.00 to 200.00 % 0.00% il 100 RW Input 1 SETUP P ARAMETERS::SETPOINT SUM 1 Setpoint Sum 1 -200.00 to 200.00 % 0.00% cs 423 RW Input 2 S[...]

Parameter T able B-25 MN792 T able B-3 Parameters Listed by Keypad Menu Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 306 RW Source T ag SETUP P ARAMETERS::STANDSTILL Standstill 0 to 549 89 ii 2, 3, 4 11 RW Standstill Logic SETUP P ARAMETERS::STANDSTILL Standstill 0 : Disabled 1 : Enabled Disabled ab 12 RW Zero Thresho[...]

B-26 Parameter T able MN792 T able B-3 Parameters Listed by Keypad Menu Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 465 RW Offset SYSTEM::CONFIGURE I/O::ANALOG OUTĆ PUTS::ANOUT 2 (A8) Analog Output 2 -100.00 to 100.00 % 0.00% mx 252 RW Source T ag SYSTEM::CONFIGURE I/O::ANALOG OUTĆ PUTS::ANOUT 2 (A8) Analog Output [...]

Parameter T able B-27 MN792 T able B-3 Parameters Listed by Keypad Menu Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 470 RW Destination T ag SYSTEM::CONFIGURE I/O::INTERNAL LINKS::LINK 10 Link 10 0 to 549 0 n2 2, 3 469 RW Source T ag SYSTEM::CONFIGURE I/O::INTERNAL LINKS::LINK 10 Link 10 0 to 549 0 n1 2, 3 367 RW Dest[...]

B-28 Parameter T able MN792 Parameter V alues Continued R/W: RO = Read Only , RW = Read / W rite T able B-4 Parameters Listed by WB Block Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 543 RW Zero CAL Inputs CONFIGURE DRIVE Up T o Action Requested p3 1, 2, 3, 4 121 RW Change Password P ASSWORD 0x0000 to 0xFFFF 0x0000 dd 120 RW En[...]

Parameter T able B-29 MN792 T able B-4 Parameters Listed by WB Block Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 542 RO Remote Trip ALARM ST A TUS Alarms 0 : False 1 : T rue F ALSE p2 Output, 1 11 2 RO Stall T rip ALARM ST A TUS Alarms 0 : OK 1 : Failed OK d4 Output 122 RO Health LED DIAGNOSTICS Alarms 0 : False 1 : [...]

B-30 Parameter T able MN792 T able B-4 Parameters Listed by WB Block Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 464 RW Offset SYSTEM::CONFIGURE I/O::ANALOG OUTĆ PUTS::ANOUT 1 (A7) Analog Output 1 -100.00 to 100.00 % 0.00% mw 251 RW Source T ag SYSTEM::CONFIGURE I/O::ANALOG OUTĆ PUTS::ANOUT 1 (A7) Analog Output 1 0[...]

Parameter T able B-31 MN792 T able B-4 Parameters Listed by WB Block Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 11 9 RW I DMD. ISOLA TE SETUP P ARAMETERS::CURRENT LOOP Current Loop 0 : Disabled 1 : Enabled Disabled db 17 RW INT . GAIN SETUP P ARAMETERS::CURRENT LOOP Current Loop 0.00 to 200.00 3.50 ah 421 RW MAIN CU[...]

B-32 Parameter T able MN792 T able B-4 Parameters Listed by WB Block Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 360 RW Inverted SYSTEM::CONFIGURE I/O::DIGITAL OUTĆ PUTS::DIGOUT 2 (B6) Digout 2 (B6) 0 : False 1 : T rue FALSE k0 44 RW Modulus SYSTEM::CONFIGURE I/O::DIGIT AL OUTĆ PUTS::DIGOUT 2 (B6) Digout 2 (B6) 0 :[...]

Parameter T able B-33 MN792 T able B-4 Parameters Listed by WB Block Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 225 RW Crawl Speed SETUP P ARAMETERS::JOG/SLACK Jog/Slack -100.00 to 100.00 % 10.00% g9 218 RW Jog Speed 1 SETUP P ARAMETERS::JOG/SLACK Jog/Slack -100.00 to 100.00 % 20.00 % g2 219 RW Jog Speed 2 SETUP P A[...]

B-34 Parameter T able MN792 T able B-4 Parameters Listed by WB Block Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 517 RW Local SETUP P ARAMETERS::OP ST A TION::ST ART UP V ALUES Op Station 0 : False 1 : T rue TRUE od 518 RW Program SETUP P ARAMETERS::OP ST A TION::ST ART UP V ALUES Op Station 0 : False 1 : T rue F ALS[...]

Parameter T able B-35 MN792 T able B-4 Parameters Listed by WB Block Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 100 RW Input 1 SETUP P ARAMETERS::SETPOINT SUM 1 Setpoint Sum 1 -200.00 to 200.00 % 0.00% cs 423 RW Input 2 SETUP P ARAMETERS::SETPOINT SUM 1 Setpoint Sum 1 -200.00 to 200.00 % 0.00% lr 375 RW Limit SETUP [...]

B-36 Parameter T able MN792 T able B-4 Parameters Listed by WB Block Continued Ta g R/W Name Keypad Menu WB Block Range Factory Setting MN Notes 332 RW Error Report SERIAL LINKS::SYSTEM PORT (P3)::P3 SETĆ UP::BISYNCH SUPPORT System Port P3 0x0000 to 0xFFFF 0x00C0 j8 1 329 RW GROUP ID (GID) SERIAL LINKS::SYSTEM PORT (P3)::P3 SETĆ UP::BISYNCH SUPPO[...]

Appendix C Block Diagram Block Diagram C-1 MN792 SPT Sum 1 DEST [294] SPT Sum [86] Analog Input 1 Destination T ag [246] [230] Calibration [231] MAX V alue [232] MIN V alue ANIN 1 (A2) [50] Analog Input 2 Output [493] [233] Calibration [234] MAX V alue [235] MIN V alue ANIN 2 (A3) [51] Analog Input 3 Destination T ag [249] [236] Calibration [237] M[...]

C-2 Block Diagram MN792 PID PID Clamped [416] [404] PROP Gain [402] INT Time Const [401] Derivative TC [407] Output Scaler (Trim) [410] Input 1 [406] Negative Limit [405] Positive Limit PID Output [417] PID Error [415] [41 1] Input 2 Profiled Gain [475] [412] Ratio 1 [413] Ratio 2 [418] Divider 1 [414] Divider 2 [408] Enable [409] Int Defeat [403] [...]

BALDOR ELECTRIC COMP ANY P .O. Box 2400 Ft. Smith, AR 72902–2400 (479) 646–471 1 Fax (479) 648–5792 www .baldor .com  Baldor Electric Company MN792 Printed in USA 9/03 C&J1000 CH TEL: +41 52 647 4700 F AX: +41 52 659 2394 D TEL: +49 89 90 50 80 F AX: +49 89 90 50 8491 UK TEL: +44 1454 850000 F AX: +44 1454 859001 I TEL: +39 1 1 562 444[...]

Series 29 Digital DC Control MN792[...]