Siemens SAMMS-MV manuale d’uso

Manual No. MVC-9108 SAMMS-MV Siemens Advanced Motor Master System for Medium V oltage Motors User's Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ™[...]

IMPORTANT The information contained herein is general in nature and not intended for specific application purposes. It does not relieve the user of responsibility to use sound practices in application, installation, operation, and maintenance of the equip- ment purchased. Siemens reserves the right to make changes in the specifica- tions shown here[...]

1 1 Introduction ............................................. 2 1.1 About this Manual ............................................ 3 1.2 About the SAMMS-MV Device .......................... 3 1.2.1 The SAMMS-MV Device Models ............ 4 1.2.2 Advanced Pr otection for Medium-V oltage Motors ................................................... 4 1[...]

2 1 Intr oduction 1 Intr oduction The SAMMS-MV electronic motor control and protection de- vice is designed and manufactured in accordance with the latest applicable provisions of the National Electric Code, Underwriters Laboratories Standards and Procedures, NEMA Standards, and the National Electric Safety Code. You must thoroughly read and unders[...]

3 1 Intr oduction 1.1 About this Manual This manual introduces you to the Siemens Advanced Motor Master System (SAMMS-MV  ) motor protection and control relay which incorporates protection designed for medium voltage machines. This manual also contains information for installing and operating the device, communicating with other devices over the[...]

4 1 Intr oduction 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Figure 1.1 SAMMS-MV, front view 1.2.1 The SAMMS-MV Device Models The SAMMS-MV device is available in two models: SAMMS-MVE and SAMMS-MVX. Each model meets the various demands of industrial and commercial specifications and installations. Table 1.2 compares the features of each model. The SAMM[...]

5 1 Intr oduction Figure 1.2 Hand-Held Communicator (HHC) 1.2.3 Overload Protection The motor model offers the selection of overload classes 2 through 23. The SAMMS-MV device offers more accurate motor protection than traditional thermal overload and most electronic motor protection devices. This prolongs motor life by eliminating nuisance tripping[...]

6 1 Intr oduction SAMMS-MV Mode l SAMMS-MVE SAM MS-M VX Applicatio n Across-the-line (FVNR) X X Reversing X Two-s peed X Reduced voltage X Functions available (see ta ble 3.7) F0-F21 plus F25-F27 (except no F3, F5, or F8 ) F0-F2 7 Ridethrough upon loss of power No Yes Ground fault protection/alarm Yes Yes Programmable alarm contact No Yes Control c[...]

7 2 Installing the SAMMS-MV Device 2 Installing the SAMMS-MV Device This section provides instructions for installing the SAMMS-MV device. You should adapt these instructions to suit the needs of your installation and equipment. 2.1 Receiving and Storing the SAMMS-MV Device Thoroughly inspect the equipment before accepting the ship- ment from the t[...]

8 2 Installing the SAMMS-MV Device Figure 2.1 Full voltage non-reversing connection diagram[...]

9 2 Installing the SAMMS-MV Device 2.4.2 Grounding the Device As stated in Guideline 5, ground each motor controller at a single ground point. The grounding path to earth must be permanent and continuous. It must also be able to safely conduct ground fault currents that may occur in the system to ground through minimum impedance. The earth ground d[...]

10 2 Installing the SAMMS-MV Device enables the SAMMS-MV to communicate with a remote super- visory device. Examples of the remote supervisory device include the Power Monitor display and monitoring unit, a standard personal computer running the Power Monitor PC communications and supervisory software, or Siemens Microsoft® Windows™ based SIESer[...]

11 3 Operating the SAMMS-MV Device 3 Operating the SAMMS-MV Device This section explains how to operate the SAMMS-MV device. 3.1 Password Protection Changing the settings of the SAMMS-MV device requires the use of the Hand-Held Communicator (HHC) in the program mode. To access the program mode, the user needs a password. The SAMMS-MV device is ship[...]

12 3 Operating the SAMMS-MV Device 3.4 Output Devices You can use the following SAMMS-MV output devices: AC Outputs The SAMMS-MVX device provides up to three AC coil drivers capable of driving contactors up to size H6, while SAMMS-MVE provides one coil driver. Control Relays The device provides up to eight software-controlled relays. These relays a[...]

13 3 Operating the SAMMS-MV Device The communications inputs must be included in the ladder logic (control circuit). 3.6 Ladder Diagrams 3.6.1 Library of Standard Ladder Diagrams The SAMMS-MV library of more than 40 ladder diagrams covers most standard motor control applications. Table 3.3 lists the standard control circuits and the input and outpu[...]

14 3 Operating the SAMMS-MV Device 12 3 4 5 6 7 8 9 10 1 1 12 13 14 15 16 SAMMS-MVX LED LED on LED Flashing Current Unbalance Impending Trip Overload Trip Incomplete Sequence External Trip Alarm CPU Fault Ground Fault > 40% 20 - 40% > 1 10% > 100% < 1 10% Overload Start Inhibit Trip Trip: Loss of Load,or Jamor RTD input Alarm: Loss of L[...]

15 3 Operating the SAMMS-MV Device Input Assignments Starter Typ e Program Block Control Type PB1 PB2 PB3 PB4 PB 5 PB6 Preloaded in SAMMS-MVE can be dow nloaded in SAMMS -MVX FVNR PB10 LOCAL, 2-WIRE OFF ON FVNR PB11 LOCAL, 3-WIRE STOP START FVNR PB12 LOCAL, 3-WI RE, REMOTE 2-WIRE ST OP START HAND OFF AU TO FVNR PB13 LOCAL/REMOTE 2-WIRE STOP HAND OF[...]

16 3 Operating the SAMMS-MV Device Input Assignments Starter Typ e Program Block Cont rol T ype PB 1 PB2 PB 3 PB 4 PB5 PB6 Available with SAMMS-MVX only 2SPD, 1W, C H PB39 LOCAL, 2-WIRE OFF LOW HIGH 2SPD, 1W, C H PB40 LOCAL, 3-WIRE STOP LOW HIGH 2SPD, 1W, C H PB41 LOCAL, 3-WIRE, REMOTE 2-WIRE STOP LOW HIGH HAND OFF AUTO 2SPD, 1W, C H PB42 LOCAL/RE [...]

17 3 Operating the SAMMS-MV Device 3.7 Incomplete Sequence Sometimes the motor contactors do not respond in a timely manner to start, stop, transition, speed or direction change commands from the controller. If the SAMMS-MV device does not detect motor current one second after issuing a start command or if the SAMMS-MV device detects motor current [...]

18 3 Operating the SAMMS-MV Device Figure 3.5 ODP motor thermal signature[...]

19 3 Operating the SAMMS-MV Device temperature. You can select ambient temperature from 0° to 70°C in increments of 5°C, with HHC function F0. Important: Do not use this feature with motors rated for ambient temperature other than the standard 40°C. 3.12 Protection Curves and Overload Classes The specific motor protection curve selected depends[...]

20 3 Operating the SAMMS-MV Device 10000 1000 100 10 1 .1 11 0 SECONDS I ratio I FLC 10000 1000 100 10 1 .1 11 0 SECONDS I ratio I FLC Figure 3.7 Time-current characteristic curve for cold motors with SF=1.00 Figure 3.8 Time-current characteristic curve for warm motors with SF=1.00[...]

21 3 Operating the SAMMS-MV Device Figure 3.10 Time-current characteristic curve for warm motors with SF=1.15 Figure 3.9 Time-current characteristic curve for cold motors with SF=1.15 10000 1000 100 10 1 .1 11 0 SECONDS I ratio I FLC 10000 1000 100 10 1 .1 11 0 SECONDS I ratio I FLC[...]

22 3 Operating the SAMMS-MV Device .1 1 I I FLC ratio 61 0 Motor starting current 600% rated full load current Jam and loss of load protection persistence delay (5 times overload class) Class 5 curve Cold stall time adjustable from 5 to 100 seconds Jam protection adjustable from 120 to 400% of FLC Motor running current at full load current Loss of [...]

23 3 Operating the SAMMS-MV Device 3.13 Ultimate Trip Level and Service Factor The ultimate trip level is the maximum continuous current that does not cause an overload trip. Any higher current applied indefinitely to an unprotected motor will ultimately damage it. The ultimate trip level for motors with a unity service factor is 110% of the full-l[...]

24 3 Operating the SAMMS-MV Device ture of the rotor and provides a signal to trip the motor off-line when it reaches a trip temperature value. The motor model takes into account the change of the rotor resistance during motor startup. Rotor resistance is a function of motor slip; therefore, it is highest at locked rotor and decreases as the motor [...]

25 3 Operating the SAMMS-MV Device Figure 3.12 Multi-start scenario for an ODP motor[...]

26 3 Operating the SAMMS-MV Device Size Pickup Current Range Default Pi ckup Current H3A 7A to I 10A H3B 7A to I 10A H3C 7A to I 10A H6 7A to I 20A Table 3.6 Ground fault pickup levels Ground fault detection requires no additional external circuitry or transformers. Ground fault detection for the SAMMS-MV device is not available for grounded, three[...]

27 3 Operating the SAMMS-MV Device SAMMS-MV Functi on N umber Functio n SAMMS-MVX SAMMS-MVE F0 Ambient temperature • • F1 Control circuit number • • F2 Size for over load No. 1 • • F3 Size for over load No. 2 (low speed) • F4 Full load current for OLR No. 1 • • F4A 5A CT primary curren t (if used) • • F5 Full load current for [...]

28 3 Operating the SAMMS-MV Device function. Pressing the LIST key returns the active setting to the display. There is one occasion when the LIST key is disabled making the corresponding functions inoperative. In a SAMMS-MV device with autoreset disabled at the factory, the LIST key has no effect for F8. 3.28.3 UP and DOWN Keys Use the UP and DOWN [...]

29 3 Operating the SAMMS-MV Device Function Number Function Description Range Step Size Default Value F0 Select ambient temperature. 0 - 70º C 5º C 40º C F1 Display (or change for SAMMS-MVE) the control circuit number, Enable/disable incomplete sequence status. 0 - 9999 1 N/A F2 Display the size for single-speed controller, or the high-speed siz[...]

30 3 Operating the SAMMS-MV Device Functio n Number Function Description Ran ge Step Siz e Default Value F12 Select ground fault p rotection or warning. ON means protection; OFF means warning. ON/O FF N/A OF F F12A Select grou nd fau lt pi ck-up cu rrent valu e. 7A-I 1A 10A (H3A-H3C) 20A (H6) F13 Set progr ammable timer #1. OFF - 200 se conds 1 sec[...]

31 3 Operating the SAMMS-MV Device Figure 3.13 Entering and changing passwords F Press and hold F key UP DOWN Display mode Program mode ENTER ENTER UP DOWN To select function for viewing Prompt for password UP DOWN ENTER To select digit To enter digit First digit selected Enter following digits in the same manner 0000-9999 Password Correct? Yes No [...]

32 3 Operating the SAMMS-MV Device 3.29.1 Program Mode/Passwords To access the functions in program mode, the user is required to enter a password. The default password is 0000, and may be changed at any time. To enter the password and have access to program mode: 1. Press and hold the (F)unction key for several seconds until dISP is di[...]

33 3 Operating the SAMMS-MV Device 5. To exit the program mode, press and hold the (F)unction key for several seconds. The display will show Pro g . Press the UP or DOWN key to change to the display mode. F3 - Size for Overload Relay #2 (SAMMS-MVX Only) Overload relay #2 protects two-speed motors running on low speed. The possible values are [...]

34 3 Operating the SAMMS-MV Device 1. Press the LIST key to view the sensor in use for overload relay #2. If standard SAMMS sensors are used, the display will read OFF. If 5A secondary CTs are in use, the CT primary current will be displayed. 2. To change the setting, you must be in program mode. 3. Press the UP or DOWN key to scroll throu[...]

35 3 Operating the SAMMS-MV Device F8 - Autoreset (SAMMS-MVX Only) 1. Press the LIST key to view the active autoreset setting, either ON or OFF. If autoreset is ON, the SAMMS-MV device automatically resets 30 seconds after an overload or exter- nal trip. At this time the motor can start. If autoreset is OFF, you must manually reset the overload rel[...]

36 3 Operating the SAMMS-MV Device your actions before pressing the ENTER key a second time to select the ON setting. 6. Repeat Step 3 if you select an incorrect setting. 7. If you are in the program mode, press and hold the (F)unction key for several seconds to exit. The display will show Pro g . Press the UP or DOWN key to change to the dis[...]

37 3 Operating the SAMMS-MV Device a. Because only four characters can display at a time, individual line currents of 1000 amps and above are displayed as three dashes following the phase designa- tor, e.g., A - - - . b . For sizes H3A, H3B, and H3C, the current is displayed to the nearest 1 amp. For size H6, currents are displayed to the nearest 2[...]

38 3 Operating the SAMMS-MV Device F22 - Process Current Warning Level (SAMMS-MVX Only) 1. Press the LIST key to view the active process current level. The value represents the percentage of the full load current setting above which a motor current causes the External Trip LED to flash. The function is disabled for five times the class time after s[...]

39 3 Operating the SAMMS-MV Device 2. The UP, DOWN, and ENTER keys are disabled for this function. 3. Press the (F)unction key to go to other functions. F26 - Baud Rate 1. Press the LIST key to view the active setting. Allowable settings are 2400, 4800, or 9600 baud. The factory default is 4800. 2. To change the setting, you must be in program mode[...]

40 4 T r oubleshooting 4 T r oubleshooting the SAMMS-MV Device This section discusses how to troubleshoot the SAMMS-MV device. The troubleshooting guide below lists basic errors that can occur while operating the SAMMS-MV device. Use the guide as necessary to solve error conditions as they arise. Do not attempt to solve any error condition that is [...]

41 4 T roubleshooting Troubleshooting Guide Error Condition Main Cause Remedy Incomplete Sequence Indicates the SAMMS-MV unit does not detect current one second after a start command, or it detects current one second after a stop command. 1. 2. 3. 4. 5. If the unit trips one second after start, verify that current transformer secondary input is pre[...]

42 4 T r oubleshooting Troubleshooting Guide Error Condition Main Cause Remedy CPU Fault Indicates a problem in the microprocessor or a low voltage condition. Verify voltage between terminals 5 and 6 is more than 10 VAC. If fault persists, call Siemens. Ground Fault Indicates the ground fault current exceeded the threshold. If ground fault protecti[...]

43 Appendix A T echnical Specifications Appendix A - Technical Specifications of the SAMMS-MV Device M Mo ot to or r C Co on nt tr ro ol l S Sp pe ec ci if fi i c ca at ti io on ns s Inputs Six pushbuttons Four remote inputs Outputs SAMMS-MVX: Three coil drivers Three light bars One programmable alarm contact SAMMS-MVE: One coil driver Two light ba[...]

44 Appendix A T echnical Specifications FLC FLC FLC FLC FLC FLC FLC FLC FLC O Ov ve er rl l o oa ad d S Sp pe ec ci if fi ic ca at ti i o on ns s Overload classes Overload classes 2 through 23 with one second increments. Trip Characteristics Tripping time at 6 x I = 95% of the overload class (±5%). Tripping time at 1.5 x I within two minutes for w[...]

45 Appendix A T echnical Specifications S St ta at ti is st ti i c ca al l D Da at ta a Elapsed motor running time - x10 - Range: 0.0 to 6553 (65,536 hours) - Unit increments: 10 hours Number of motor starts - x10 - Range:0.0 to 6553 (65,536 hours) - Unit increments: 10 operations Number of overload trips - Range: 0 to 9999 - Increments: 1 trip Cur[...]

46 Appendix A T echnical Specifications D Di i m me en ns si i o on ns s SAMMS-MV 6.25 inches W; 6.00 inches H; 2.125 inches D Handheld Communicator 3.15 inches W; 5.7 inches H; 1.37 inches D E En nv vi i r ro on nm me en nt ts s Operating temperature range -25º C to +70º C. Storage temperature -40º C to +85º C. Relative humidity 5 to 95% non-c[...]

47 Appendix A T echnical Specifications Figure A-1 Figure A-1 Figure A-1 Figure A-1 Figure A-1 Catalog Number and Configuration Breakdown for SAMMS-MV SAMMS-MV Model Number SAM6 - SAMMS-MVE SAM7 - SAMMS-MVX Control T ype L - Local and/or Remote Control Alarm Contacts Configuration (SAMMS-MVX Only) 0 - None 1 - Normally Closed Contacts (N.C.) 2 - No[...]

48 Appendix A T echnical Specifications SAMMS-MVX LED LED on LED Flashing Current Unbalance Impending Trip Overload Trip Incomplete Sequence External Trip Alarm CPU Fault Ground Fault > 40% 20 - 40% > 110% > 100% < 110% Overload Start Inhibit Trip Trip: Loss of Load, or Jam, or RTD Input Alarm: Loss of Load or Prcs Current Trip: CPU Fai[...]

49 Appendix A T echnical Specifications 2.94 1.00 4.25 3.50 0.375 0.50 .188 DIA (2X) FOR MOUNTING #10 STUD WITH NUTS, W ASHER, & LOCKW ASHER (TYPICAL) 36" TINNED COPPER #20 GA LEADS RA TING LABEL LOCA TION TYPE 5A ACT INPUT 5A CA T ALOG NUMBER SAMMS 5A ACT Figure A-4 SAMMS 5A Auxiliary Current Transformer[...]

Siemens Energy & Automation, Inc. Switchgear and Motor Control Division P.O. Box 29503 Raleigh, NC 27626-0503 Bulletin MVC-9108 (New) 2M 0394FP Printed in U.S.A. © 1994 Siemens Energy & Automation, Inc. Siemens is a registered trademark of Siemens AG[...]