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Digital Soft–Start Installation & Operating Manual 5/03 MN850[...]

T able of Contents T able of Contents i MN850 Section 1 General Information 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

ii T able of Contents MN850 Section 4 Parameter Index 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Menu Descriptions 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

Section 1 General Information General Information 1-1 MN850 Introduction The Baldor digital three phase multipurpose soft – starter provides reduced voltage, three phase motor starting and control over the four periods of motor operation. First, at “ Start – up ” (soft – start), the motor starting voltage increases from an initial preset [...]

1-2 General Information MN850 Safety Notice This equipment contains voltages that may be as high as 600 volts! Electrical shock can cause serious or fatal injury . Only qualified personnel should attempt the start-up procedure or troubleshoot this equipment. This equipment may be connected to other machines that have rotating parts or parts that ar[...]

Section 2 Installation Installation 2-1 MN850 Receiving, Inspection and Storage 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 immediately to the commercial carrier that delivered your control. 2. Remove the control from the carton. Inspect[...]

2-2 Installation MN850 Cover Removal Size 3, 4 Size 1 Cover Screws Remove Cover 1. Remove two cover screws. 2. Pull bottom of cover (held by cover screws) and lift cover off of top hinge. Size 2 Cover Screws Remove Cover 1. Remove four cover screws. 2. Remove cover . Cover Screws Remove Cover 1. Remove four cover screws. 2. Open cover (hinges on le[...]

Section 1 General Information Installation 2-3 MN850 Optional Remote Keypad Installation The keypad may be remotely mounted using optional Baldor keypad extension cable. Keypad assembly (white - DC00005A-01; gray - DC00005A-02) comes complete with the screws and gasket required to mount it to an enclosure. When the keypad is properly mounted to a N[...]

2-4 Installation MN850 AC Main Circuit Power Disconnect A power disconnect should be installed between the input power service and the control for a fail safe method to disconnect power . Protective Devices Recommended fuse sizes are based on the following: 175% of maximum continuous current for time delay . 300% of maximum continuous current for F[...]

Installation 2-5 MN850 UL Required Fuses for Short Circuit Rating UL requires R/C fuses, special purpose fuses (JFHR2) or semiconductor fuses rated 700V AC be used to obtain the short circuit current ratings required by UL. Fuse Manufacturer Fuse Model Number Bussman (300 KA A.I.C.) Catalog Number Ferraz (200 KA A.I.C.) Catalog Number Fuse Current [...]

2-6 Installation MN850 Figure 2-1 Power and Motor Circuit Connections Programmable Input L1 L2 L3 Alternate * Fuse Connection Note 1 L1 L2 L3 L1 L2 L3 * Circuit Breaker Earth * Optional components not provided with control. Note 4, 8 Baldor Digital Soft – Start Note 1 Notes: 1. See “ Protective Devices ” described previously in this section. [...]

Installation 2-7 MN850 In – Delta Connections For Delta connected motors, the Soft – Start can be connected inside the delta windings. This connection method is shown in Figure 2-2. Figure 2-2 In – Delta Soft – Start Connections L1 L2 L3 Alternate * Fuse Connection Note 1 L1 L2 L3 L1 L2 L3 * Circuit Breaker Earth * Optional components not p[...]

2-8 Installation MN850 Wire Size and Protection Devices T able 2-4 Control Wire Sizes and T ightening T orques Control Wire Gauge * T erminal T orque Control Size T erminal AW G mm 2 Lb – in Nm L1, L2, L3, T1, T2, T3 (M8 Stud for Ring connector) 106 12 1 Earth (Ground) T erminal (M8 Stud for Ring connector) 1/0 50 106 12 L1, L2, L3, T1, T2, T3 (M[...]

Installation 2-9 MN850 Three Wire Control Figure 2-4 Three Wire Control Connection Baldor Digital Soft – Start See Recommended T ightening T orques in T able 2-4. 14 11 12 K1 24 21 22 K2 S1 S0 1 15 / 230V AC X1 X2 Start Stop IC * External hardware not provided with control. R1 Fuse Neutral R1 IC OL OT IC= Input Contactor Coil OL= Thermal Overload[...]

2-10 Installation MN850 NEMA 12/4 Installation When a NEMA12, NEMA4, NEMA4x OR IP65 enclosure is used, a separate T op of Ramp Bypass (or shunt) contactor must be connected in parallel with the soft – start control. This will allow a solid connection of the motor to the AC power lines and eliminate the heating effect caused by the SCR ’ s. At t[...]

Installation 2-1 1 MN850 Reversing Contactor For this mode, the Stop Time must be set to zero. Also, allow a minimum of 350 milli seconds between the Forward and Reverse commands. Figure 2-7 Motor Reversing Connection L1 L2 L3 Baldor Digital Soft – Start See Recommended T ightening T orques in T able 2-4. T1 T2 T3 K1 K2 S1 S0 X1 X2 1 15/230V AC F[...]

2-12 Installation MN850 Installation 1. Remove cover . (See cover removal described previously in this section.) 2. Mount the panel or enclosure to the mounting surface. The panel or enclosure must be securely fastened to the mounting surface. Refer to the mounting dimensions in Section 6 of this manual. Shock Mounting If the control will be subjec[...]

Section 3 Operation Operation 3-1 MN850 Overview The start – up procedure will help get your system up and running quickly and will allow motor and control operation to be verified. This procedure assumes that the Control and Motor are correctly installed (see Section 2 for procedures) and that you have a basic understanding of the keypad program[...]

3-2 Operation MN850 Start – Up Procedure This procedure assumes that this is the first time the control and motor have been started. The normal start – up procedure would be as follows: 1. Apply X1, X2 Control V oltage power (1 15V AC). 2. Apply three phase power . The display should show “ Stopped & Ready ” . 3. Press ENTER and the dis[...]

Operation 3-3 MN850 Operating Modes System Status Mode Description Display Comments During normal operation, the display shows the status of operation. OPTIMIZE CURRENT 183 A Shows that Optimized operation is selected and the load current is 183 amperes. Menu Mode At the power up display , press ENTER one time to go to the menu mode and display the[...]

3-4 Operation MN850 Menu Structure Figure 3-2 Menu Structure Diagram Stopped and ready ENTER ENTER ENTER ENTER # # # Inputs Password Password Permanent store Outputs Trips Parameters Auto features Basic Basic Advanced Permanent store Advanced Applications Auto features Default (keypad) Small Pump Large Pump Conveyor Low Inertia Fan High Inertia Fan[...]

Operation 3-5 MN850 Menu Navigation Examples Menu Navigation This example shows how to go to the Inputs menu and map an input parameter . Action Description Display Comments Apply Control V oltage (1 15V AC) Keypad Display shows this opening message. Baldor Soft Start Logo display for 2 seconds. If no faults the display will show this message. Stop[...]

3-6 Operation MN850 Changing the Power – up Settings & Select Keypad Control When the Control Supply (1 15V AC) power is first applied, the control loads the parameter settings into working memory . Y ou may change any of these parameters and operate a motor with the changed settings. However , if these values are not saved they will be lost [...]

Operation 3-7 MN850 Motor Starting Definitions T erm Definition Starting Selectable in Basic Menu as either Keypad or Remote starting method. V oltage Pedestal Initial voltage applied to motor after the 3 cycle power – up ramp. Programmed as parameter 1 1 or as Start Pedestal in Basic Menu. Kick Pedestal For traction or “ frozen ” loads, this[...]

3-8 Operation MN850 Keypad Starting and Running the Motor with Factory Settings Action Description Display Comments Apply Control V oltage (1 15V AC) Keypad Display shows this opening message. Baldor Soft Start Logo display for 2 seconds. If no faults the display will show this message. Stopped & Ready System Status mode. Press ENTER key APPLIC[...]

Operation 3-9 MN850 Keypad Starting and Running the Motor in Optimise Mode Action Description Display Comments Apply Control V oltage (1 15V AC) Keypad Display shows this opening message. Baldor Soft Start Logo display for 2 seconds. If no faults the display will show this message. Stopped & Ready System Status mode. Press ENTER key APPLICATION[...]

3-10 Operation MN850 Motor Stopping Definitions T erm Definition Stop Pedestal V oltage Stop Pedestal V oltage is the percentage of line voltage applied to the motor after a stop command. Programmed as parameter 16 or as Stop Pedestal in Basic Menu. Stop T ime T ime in seconds after a stop command to ramp down the motor voltage (Stop T ime 1 or 2) [...]

Section 4 Parameter Index Parameter Index 4-1 MN850 Menu Descriptions Basic Menu Block Title Parameter Description Basic Starting Keypad – Allows motor starting and stopping by pressing Start/Stop key on keypad. Remote – Allows motor starting and stopping by applying or removing 1 15V AC at terminals S0 and S1 of the control board. Start Pedest[...]

4-2 Parameter Index MN850 Applications Menu Continued Small Pump Name Start Pedestal % Start Time Current Limit Level 10 5 3.5 % S *FLC Optimise Rate Auto End Start Soft Stop Smoothing Auto 3MC Low V oltage SoftStop Auto Bypass Auto Pedestal Auto Stop Auto Jog Auto End Stop Stop Pedestal % Stop Time 10 30 % S Current Limit Time 25 S Screw Compresso[...]

Parameter Index 4-3 MN850 Advanced Menu Block Title Parameter Description Advanced Current Rated Current – (View Only) this value is the continuous current rating of the control. Low Current – If on, activates low current trip protection. Useful to detect a low current condition (broken belt, coupling, pump etc.) on driven equipment. Low Curren[...]

4-4 Parameter Index MN850 Advanced Menu Continued Block Title Parameter Description Advanced Contactor Delay A delay is required when an input contactor is energized by the soft – start “ Run ” relay . This delay allows bouncing contactor armature to settle during the “ Closed ” position. V alue can be 20 to 800 milliseconds. Parameter 71[...]

Parameter Index 4-5 MN850 Permanent Store Menu Block Title Parameter Description Permanent Store Save Parameters Saves all parameter values and overwrites previously saved values. Power on Parameters Restores all parameter values to the values that were last saved (last power up cycle). All parameter values changes since last power up are overwritt[...]

4-6 Parameter Index MN850 Outputs Menu The internal LED, four digital outputs and two analog outputs can be individually defined as desired. Each digital output can be assigned positive or inverse logic. Block Title Parameter Description Outputs LED A vailable only on size 2 and 3 controls, this Red LED can represent a variety of status conditions.[...]

Parameter Index 4-7 MN850 Mapping to an Output Relay Most status values are stored in memory as status words. The following is a list of these status words: Parameter Description (128) 10000000 (64) 01000000 (32) 00100000 (16) 00010000 (8) 00001000 (4) 00000100 (2) 00000010 (1) 00000001 8 Status 1 Stopping Energy Saving Full Conduction Dwell T op o[...]

4-8 Parameter Index MN850 Parameter Descriptions V ersion 5MC (4/2/01) Title P# Parameter Description Parameter P0 Dummy Parameter Map unused bits, parameters etc. P1 Station Number Unused P2 Country Determines the language used by the display. 44=English. P3 Software T ype Manufacturers product code for the Soft-Start software. P4 Software V ersio[...]

Parameter Index 4-9 MN850 Title P# Parameter Description Parameters P20 Reference PF (Power Factor) The calculated power factor to optimize the control loop. P21 Present PF (Power Factor) The present power factor of the motor (load). P22 Delay Angle (SCR OFF time) The period (in degrees) that the thyristors are in the OFF state. P23 Maximum Optimiz[...]

4-10 Parameter Index MN850 Title P# Parameter Description Parameters Continued P51 User Flags 1 Note that these bits operate with P52 bit 6 (param group selector). This lets you set a primary and secondary group value: e.g. P14: Kick Time 1 (primary); P82: Kick Time 2 (secondary). Definition (Preset V alue) Bit0= Kickstart selector (0, do not selec[...]

Parameter Index 4-1 1 MN850 Title P# Parameter Description Parameters Continued P60 K2 Bit Mask (P59 bit selected for K2) Sets the bit in the parameter selected by P59 that operates the relay K2 on the control card. The preset is P8:Status 1, Bit3 (T op of Ramp or Full V olts). (P60 operates with P59). 7 6 5 4 3 2 1 0 Bits 1 0 0 0 0 0 0 0 0 1 0 0 0[...]

4-12 Parameter Index MN850 Title P# Parameter Description Advanced Current P71 Contactor Delay (after start command) Sets the delay time between the request to actuate K1 and the start of firing the thyristors. P72 Trip Sensitivity (1=fastest trip) Unused P73 Last Trip (Most Recent T rip) P73 stores the most recent trip code for the most recent fau[...]

Section 1 General Information Parameter Index 4-13 MN850 Title P# Parameter Description Parameters Continued 86 Auto Config 2 (for 2nd param set) Auto configuration flags for the second parameter set. Definition (Preset V alue) Bit0= Unused Bit1= Auto 3MC (1, enable auto removal of low voltage ramp for high start pedestals) Bit2= Auto Bypass (1, en[...]

Section 1 General Information 4-14 Parameter Index MN850 Title P# Parameter Description Parameters 100 Flag1 O/P Destination Mask The bit mask for destination flag parameter . Continued 101 Flag2 I/P Source Address Address of source flag parameter . (Parameter 102 is the mask for P101.) 102 Flag2 I/P Source Mask The bit mask for source flag paramet[...]

Section 5 T roubleshooting T roubleshooting 5-1 MN850 Safety Notice Be sure to read and understand all notices, warning and caution statements in Section 1 of this manual. If you have any questions about the safe operation of this equipment, please contact your Baldor representative before you proceed. Preliminary Checks In the event of trouble, di[...]

5-2 T roubleshooting MN850 T able 5-2 T roubleshooting Guide INDICA TION CORRECTIVE ACTION Unit fails to start LED’ s on control card are OFF and no error messages displayed: 1. V erify that 1 15V AC is present at X1 and X2 terminals. 2. V erify that 9V AC is present at terminal J2 (see Section 2 cover removal). Green power LED is ON and no error[...]

T roubleshooting 5-3 MN850 T able 5-2 T roubleshooting Guide Continued INDICA TION CORRECTIVE ACTION Initial motor kick then bad start V erify that AC input power and motor power wires are not reversed. (The motor will give an initial kick then start very roughly .) Current is not displayed 1. V erify the current transformer connections at J3 contr[...]

5-4 T roubleshooting MN850 Electrical Noise Considerations All electronic devices are vulnerable to significant electronic interference signals (commonly called “ Electrical Noise ” ). At the lowest level, noise can cause intermittent operating errors or faults. From a circuit standpoint, 5 or 10 millivolts of noise may cause detrimental operat[...]

Section 6 Specifications and Product Data Specifications and Product Data 6-1 MN850 Identification Three Phase Digital Soft – Start Input V oltage 7- 208, 230, 460V AC 8- 230, 460, 575V AC 7 016 Ampere Rating 009- 9 Amp 016- 16 Amp 023- 23 Amp 030- 30 Amp 044- 44 Amp 059- 59 Amp 072- 72 Amp 085- 85 Amp 105- 105 Amp 146- 146 Amp 174- 174 Amp 202- [...]

6-2 Specifications and Product Data MN850 Input Ratings Input V oltage Range MD7 – XXX = 208/230/460 V AC +10% to – 15% MD8 – XXX = 230/460/575 V AC +10% to – 15% Phase Three Phase Input Frequency 60/50 HZ ± 5% Overload Rating Continuous 1 15% of FLA; 350% for 30 seconds. Duty Cycle Continuous Peak Inverse V oltage MD7 – XXX = 1400V AC m[...]

Specifications and Product Data 6-3 MN850 Standard Duty: Agitator , Compressor , Centrifuge, Fan, Blower , Chiller , Escalator , Pump, Bandsaw , Low Inertia Fan, Small Pump. Medium Duty: Mill, Conveyor , Drilling Press, Reciprocating Compressor , Elevator , Screw Feeder , Grinder , Hammer Press, Mixer , Large Pump, High Inertia Fan, Pelletizer, Pul[...]

6-4 Specifications and Product Data MN850 Mounting Dimensions Size 1 1.41 (36) Ground Ground 5.9 (150) 14.93 (379) 16.31 (414) 7.68 (195) Model # Weight lb (kg) – 9 16.1(7.3) – 16 16.1(7.3) – 23 16.1(7.3) – 30 16.1(7.3) – 44 16.1(7.3) – 59 18.3(8.3) – 72 18.3(8.3) – 85 18.3(8.3) – 105 18.3(8.3) – 146 18.3(8.3) 8.74 (222) 4.9 (12[...]

Specifications and Product Data 6-5 MN850 Mounting Dimensions Continued Size 2 13.38 (340) 20.47 (520) Ground 10.43 (265) Model # Weight lb (kg) – 174 34.6(15.7) – 202 34.6(15.7) – 242 48.5(22) – 300 48.5(22) – 370 48.5(22) 0.23 (M6) Slot 2 Places 0.23 (M6) Hole 2 Places 9.84 (250) 19.68 (500)[...]

6-6 Specifications and Product Data MN850 Mounting Dimensions Continued Size 3 15.75 (400) 26.58 (675) 24.01 (610) 22.64 (575) 9.84 (250) 9.84 (250) Model # Weight lb (kg) – 500 143.3(65) – 600 143.3(65) – 750 158.8(72) – 900 158.8(72) 3.44 (87.5) 1.38(35) 0.39 (M10) Slot 3 Places 0.39 (M10) Hole 3 Places[...]

Specifications and Product Data 6-7 MN850 Mounting Dimensions Continued Size 4 4.53 (1 15) 25 (635) 24.45 (621) 5.95 (151) 7.88 (200) 7.88 (200) 3.94 (100) 4.13 (105) 7.59 (193) 7.59 (193) m10 1.9 7 (50) 10.87 (276) 12.68 (322) 6.58 (167) T1, T2, T3 L1, L2, L3 Air Flow Model # Weight lb (kg) – 1 100 158.8 (72) – 1200 165.4 (75)[...]

6-8 Specifications and Product Data MN850[...]

Appendix A CE Guidelines Appendix A-1 MN850 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 Appendix MN850 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 determi[...]

Appendix A-3 MN850 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 of po[...]

A-4 Appendix MN850[...]

Appendix B Parameter V alues Applications B-1 MN850 V ersion 5MC (4/2/01) Read Only Parameter V alues Title P# Parameter Adjustable Range Factory User Setting Parameter P0 Dummy Parameter 0 – 255 0 P1 Station Number 1 – 99 1 P2 Country 1 – 255 44 (England) P3 Software T ype Factory Set Read Only P4 Software V ersion Factory Set Read Only Pass[...]

B-2 Applications MN850 Read Only Parameter V alues Title P# Parameter Adjustable Range Factory User Setting Parameters P36 % Overload (status only) 0 – 100% (100%=Tripped) 0% P37 Chassis T emperature 0 – 255 0 P38 Pot1 0 – 255 0 P39 Pot2 0 – 255 0 P40 Pot3 0 – 1 0 P41 DC I/P 0 – 12 0VDC P42 Thermistor 0 – 255 0 P43 4 – 20mA I/P 0 ?[...]

Section 1 General Information Applications B-3 MN850 Read Only Parameter V alues Title P# Parameter Adjustable Range Factory User Setting Parameters P74 2nd Last Trip 1 – 16 (Status Code) 0 P75 3rd Last Trip 1 – 16 (Status Code) 0 P76 4th Last Trip 1 – 16 (Status Code) 0 P77 5th Last Trip (Oldest trip) 1 – 16 (Status Code) 0 P78 Protection [...]

Section 1 General Information B-4 Applications MN850 Read Only Parameter V alues Title P# Parameter Adjustable Range Factory User Setting Parameters P1 1 1 User Parameter 0 – 255 0 P1 12 Status 4 0 – 255 0 (bit 00000000) P1 13 Drive T ype 0 – 255 0 P1 14 Baud Rate 0 – 4 0 P1 15 Selected App 0 – 9 0 P1 16 5MC Inhibit Time (restart not allo[...]

Appendix C Replacement Parts Appendix C-1 MN850 V oltage Independent Parts P ART No. Description SSDTR900 Control power transformer , 9 – 44 A & 500 – 900 A SSDTR370 Control power transformer , 59 – 370 A SSDCBL146 Keypad Cable, 16 – 146 A SSDCBL900 Keypad Cable, 500 – 900 A SSDCBL370 Keypad Cable, 174 – 370 A SSDEBKPD Keypad for al[...]

C-2 Appendix MN850 575V AC Parts P ART No. Description SSD1PSCR059 1 Phase SCR pair for 44, 59 A SSD1PSCR8030 1 Phase SCR pair for 9, 16, 23, 30 A SSD1PSCR8059 1 Phase SCR pair for 44, 59 A SSD1PSCR8146 1 Phase SCR pair for 72, 85, 105, 146 A SSD1SCR8202 1 Phase SCR pair for 174, 202 A SSD3PC8242 1 Phase power cell for 242, 300A SSD1SCR8300 Single [...]

Appendix D V oltage Surge Protection V oltage Surge Protection D-1 MN850 Grounding Proper grounding is extremely important. The symptoms produced by improper grounding are obvious. Sometimes filters and other expensive devices are added to reduce the effects of problems caused by poor grounding. There can be several reference points (neutrals) in a[...]

D-2 V oltage Surge Protection MN850 Figure D-2 WYE Configurations Ungrounded L1 L1 L2 L3 L2 L3 T1 T2 T3 Control Enclosure Symbol Grounded or High Resistance Ground L1 L1 L2 L3 L2 L3 T1 T2 T3 Control Enclosure Symbol Do not ground MOV . Cut off green wire and insulate (cap off) with wire nut. MOV MOV[...]

V oltage Surge Protection D-3 MN850 Figure D-3 Delta Configurations Ungrounded L1 L1 L2 L3 L2 L3 T1 T2 T3 Control Enclosure Symbol Corner or Center – T ap Grounded L1 L1 L2 L3 L2 L3 T1 T2 T3 Control Enclosure Symbol Do not ground MOV . Cut off green wire and insulate (cap off) with wire nut. Do not ground MOV . Cut off green wire and insulate (ca[...]

D-4 V oltage Surge Protection MN850[...]

Appendix E Appendix E-1 MN850[...]

Section 1 General Information E-2 Appendix MN850 Remote Keypad Mounting T emplate Four Places T apped mounting holes, use #29 drill and 8-32 tap (Clearance mounting holes, use #19 or 0.166 ″ drill) 4.00 2.500 1.250 1.340 4.810 5.500 1- 11 / 16 ″ diameter hole Use 1.25 ″ conduit knockout (B) (A) (A) (A) (A) Note: T emplate may be distorted due[...]

 Baldor Electric Company MN850 Printed in USA 5/03 C&J1500 BALDOR ELECTRIC COMP ANY P .O. Box 2400 Ft. Smith, AR 72902 – 2400 (479) 646 – 471 1 Fax (479) 648 – 5792 www .baldor .com CH TEL: +41 52 647 4700 F AX: +41 52 659 2394 D TEL: +49 89 90 50 80 F AX: +4 9 89 90 50 8491 UK TEL: +44 1454 850000 F AX: +44 1454 850001 I TEL: +39 1 1 [...]