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6-30

MM2 Motor Manager 2

GE Power Management

6.5 MEMORY MAP

6 COMMUNICATIONS

CONFIG.

INPUTS

con’t

44258

4257 10A1 Startup Override Delay

0-3601

F1*

44259

4258 10A2 Running Override Delay

0-3601

F1*

44260

4259 10A3 Operation

0-1

---

F18

0 = IL STOP

44261

4260 10A4 Instantaneous Alarm

0-1

---

F14

0 = DISABLE

44262

4261 10A5 ...Reserved...

...

44263

4262 10A6 ...Reserved...

...

44264

4263 10A7 ...Reserved...

...

44265

4264 10A8 Interlock Input 10 Function

0-34

---

F17

0 = NOT USED

44266

4265 10A9 Startup Override Delay

0-3601

F1*

44267

4266 10AA Running Override Delay

0-3601

F1*

44268

4267 10AB Operation

0-1

---

F18

0 = IL STOP

44269

4268 10AC Instantaneous Alarm

0-1

---

F14

0 = DISABLE

44270

4269 10AD Auto Mode Definition

0-1

---

F27

0 = SERIAL

44271

4270 10AE Local Isolator

0-1

---

F14

0 = DISABLE

44272

4271 10AF Auto Permissive Indication

0-1

---

F16

0 = MANUAL

PROCESS

INTER-

LOCK

NAMES

44273

4272 10B0 Process Intlk A Name chars 1 and 2

32-127

ASCII

F10

"PR"

44274

4273 10B1 Process Intlk A Name chars 3 and 4

32-127

ASCII

F10

"OC"

44275

4274 10B2 Process Intlk A Name chars 5 and 6

32-127

ASCII

F10

"ES"

44276

4275 10B3 Process Intlk A Name chars 7 & 8

32-127

ASCII

F10

"S "

44277

4276 10B4 Process Intlk A Name chars 9 & 10

32-127

ASCII

F10

"IN"

44278

4277 10B5 Process Intlk A Name chars 11 & 12 32-127

ASCII

F10

"TE"

44279

4278 10B6 Process Intlk A Name chars 13 & 14 32-127

ASCII

F10

"RL"

44280

4279 10B7 Process Intlk A Name chars 15 & 16 32-127

ASCII

F10

"OC"

44281

4280 10B8 Process Intlk A Name chars 17 & 18 32-127

ASCII

F10

"K "

44282

4281 10B9 Process Intlk A Name chars 19 & 20 32-127

ASCII

F10

"A "

44283

4282 10BA Serial Permissive

0-1

---

F14

0 = DISABLE

44284

4283 10BB Start Block Alarm

0-1

---

F14

0 = DISABLE

44285

4284 10BC Cmd mode change when running

0-1

---

F14

0 = DISABLE

44286

4285 10BD ...Reserved...

...

44287

4286 10BE ...Reserved...

...

44288

4287 10BF ...Reserved...

...

44289

4288 10C0 Process Intlk B Name chars 1 and 2

32-127

ASCII

F10

"PR"

44290

4289 10C1 Process Intlk B Name chars 3 and 4

32-127

ASCII

F10

"OC"

44291

4290 10C2 Process Intlk B Name chars 5 and 6

32-127

ASCII

F10

"ES"

44292

4291 10C3 Process Intlk B Name chars 7 and 8

32-127

ASCII

F10

"S "

Table 6–12: MODBUS MEMORY MAP (Sheet 11 of 21)

GROUP

MOD-

ICON

REGISTER

ADDRESS

DESCRIPTION

REGISTE
R VALUE

RANGE

STEP

VALUE

UNITS

AND

SCALE

FOR-

MAT

FACTORY

DEFAULT

VALUE

(CONVERTED)

DEC

HEX

Notes: * – Maximum setpoint value and 65535 represent OFF

** – 1/Phase Current Scale Factor x A
*** – 101 represents unlimited
† – Minimum setpoint value represents OFF
~* – 0.1 x A when Hi resolution mode is disabled; 0.01 x A when enabled

Содержание MOTOR MANAGER 2

Страница 1: ... 2001 GE Power Management GE Power Management 215 Anderson Avenue Markham Ontario Canada L6E 1B3 Tel 905 294 6222 Fax 905 294 8512 Internet KWWS ZZZ LQGXVWULDO FRP SP Units must be powered up at least once per year to avoid deterioration of electrolytic capacitors and subsequent relay failure NOTE Manufactured under an ISO9001 Registered system g GE Power Management ...

Страница 2: ......

Страница 3: ...hould further information be desired or should particular problems arise which are not covered sufficiently for the purchaser s purpose the matter should be referred to the General Electric Company To the extent required the products described herein meet applicable ANSI IEEE and NEMA standards but no such assurance is given with respect to local codes and ordi nances because they vary greatly ...

Страница 4: ......

Страница 5: ...UX 2 COIL 2 6 2 2 9 OUTPUT RELAYS 2 6 2 2 10 SWITCH INPUTS 2 6 2 2 11 PROGRAMMABLE SWITCH INPUTS 2 6 2 2 12 SERIAL COMMUNICATION PORT 2 7 2 2 13 STOP 2 7 2 2 14 START A START B 2 8 2 2 15 LOCAL ISOLATOR N O 2 8 2 2 16 CONTACTOR STATUS 2 8 2 2 17 SWITCH COMMON 2 8 2 2 18 DIELECTRIC STRENGTH TESTING 2 8 3 HARDWARE 3 1 FACEPLATE FUNCTIONS 3 1 1 DESCRIPTION 3 1 3 1 2 MESSAGE DISPLAY 3 1 3 1 3 INDICATO...

Страница 6: ... 4 13 4 3 6 MOTOR PROTECTION OPTIONS 4 15 4 3 7 LOAD PROTECTION 4 17 4 3 8 UNDER OVERVOLTAGE PROTECTION 4 19 4 4 S3 PROCESS 4 4 1 DESCRIPTION 4 20 4 4 2 PROGRAMMABLE INPUTS 4 20 4 4 3 INTERLOCK NAMES 4 25 4 4 4 STOP CONFIGURATION 4 25 4 4 5 ANALOG INPUT 4 26 4 5 S4 CONTROL 4 5 1 DESCRIPTION 4 28 4 5 2 UNDERVOLTAGE AUTORESTART 4 28 4 5 3 AUX RELAY 1 2 CONFIG 4 29 4 6 S5 MONITORING 4 6 1 DESCRIPTION...

Страница 7: ... ERROR CHECKING 6 2 6 1 6 CRC 16 ALGORITHM 6 3 6 1 7 TIMING 6 4 6 1 8 MM2 SUPPORTED FUNCTIONS 6 4 6 2 MODBUS FUNCTIONS 6 2 1 FUNCTION CODE 01H 6 5 6 2 2 FUNCTION CODE 03H 6 6 6 2 3 FUNCTION CODE 04H 6 7 6 2 4 FUNCTION CODE 05H 6 8 6 2 5 FUNCTION CODE 06H 6 9 6 2 6 FUNCTION CODE 07H 6 10 6 2 7 FUNCTION CODE 08H 6 11 6 2 8 FUNCTION CODE 10H 6 12 6 3 ERROR RESPONSES 6 3 1 DESCRIPTION 6 13 6 4 APPLICA...

Страница 8: ...STALLATION UPGRADE 8 3 8 3 CONFIGURATION 8 3 1 CONFIGURING MM2PC 8 4 8 3 2 MM2PC PROGRAM MENUS 8 6 8 4 USING MM2PC 8 4 1 SAVING SETPOINTS TO A FILE 8 7 8 4 2 MM2 FIRMWARE UPGRADES 8 8 8 4 3 LOADING SETPOINT FILES 8 9 8 4 4 ENTERING SETPOINTS 8 10 8 4 5 VIEWING ACTUAL VALUES 8 11 8 5 CHASSIS MOUNT UNITS 8 5 1 DESCRIPTION 8 13 8 5 2 SETTING THE BAUD RATE AND PARITY 8 13 9 STARTER TYPES 9 1 FV NON RE...

Страница 9: ... DESCRIPTION 9 32 9 11 2 MM2 SEQUENCE 9 33 9 12 DUTY STANDBY STARTER 9 12 1 DESCRIPTION 9 35 9 12 2 MM2 SEQUENCES 9 35 9 12 3 NOTES 9 36 9 13 SOFT STARTER 9 13 1 DESCRIPTION 9 38 9 13 2 MM2 SEQUENCE 9 38 10 CONTROL WIRE APPLICATIONS 10 1 TWO WIRE CONTROL 10 1 1 DESCRIPTION 10 1 10 1 2 CONTROL OPERATION 10 1 10 2 HAND OFF AUTO CONFIGURATION 10 2 1 2 WIRE HAND 2 WIRE AUTO 10 3 10 2 2 CONTROL OPERATI...

Страница 10: ... ASYMMETRICAL CURRENT D 1 ASYMMETRICAL CURRENT D 1 1 OVERVIEW D 1 E CT ISOLATION E 1 CT ISOLATION E 1 1 MM2 CT WITHSTAND E 1 E 1 2 CT SIZE AND SATURATION E 1 F FIGURES AND TABLES F 1 LISTS F 1 1 LIST OF FIGURES F 1 F 1 2 LIST OF TABLES F 2 G MISCELLANEOUS G 1 EU DECLARATION OF CONFORMITY 0 1 GE POWER MANAGEMENT WARRANTY ...

Страница 11: ...to a request for alarm or trip status makes real time control of a complete process possible Statistical recording of running hours and number of starts and trips assists with predictive maintenance scheduling 1 1 2 FEATURES The MM2 has been developed with economy in mind The customer is able to choose from different options to achieve maximum benefit from the relay when integrated into the proces...

Страница 12: ...e restart following undervoltage condition Diagnostics Alarms pretrip data and historical statistics about the motor or drive performance c OPTION 2 2nd Contactor Control Includes all timers contactor A and B relays and 2 programmable switch inputs for two contactor starter types such as wye delta two speed and reversing Enhanced Protection Includes ground fault stalled rotor and undercurrent prot...

Страница 13: ...h mounting 1 2 3 SPECIAL ORDER MOD601 240 V AC Switch Inputs Allows use of external 240 V AC supply to power switch inputs MOD602 24 to 48 V DC Switch Inputs Allows use of external 24 to 48 V DC supply to power switch inputs MOD603 ESD Relay Converts AUX Relay 2 into an Emergency Shutdown Relay MOD605 Removable Rear Terminals Allows terminals 13 to 58 to be unplugged from the MM2 MOD610 Conformal ...

Страница 14: ...int for 5 A secondary CT 15 A for 50 0 025 CT ACCURACY for 5A CT 2 of full scale 5A CT for 50 0 025 CT 0 10 A 0 0 to 3 99 A 0 20 A 4 00 to 15 00 A VOLTAGE INPUT POWER READING CONVERSION true RMS sample time 1 67ms VOLTAGE FULL SCALE 1 5 VT Primary VOLTAGE ACCURACY 2 of VT Primary or 2 of reading whichever is greater POWER ACCURACY 5 of nominal or 5 of reading whichever is greater INPUT VOLTAGE Nom...

Страница 15: ... second STALLED ROTOR RANGE 1 15 to 4 50 FLC or OFF DELAY RANGE 0 5 to 5 seconds ACCURACY 0 5 second THERMISTOR INPUTS SENSOR TYPES positive temperature coefficient PTC RHOT 100 to 30000 Ω negative temperature coefficient NTC RHOT 100 to 30000 Ω DELAY 1 second ACCURACY 5 or 100 Ω whichever is greater ANALOG INPUT RANGE 4 to 20 mA ACCURACY 1 of full scale ALARM programmable 4 to 20 mA TRIP programm...

Страница 16: ...C Immediate restart for maximum dip time of 0 1 to 0 5 seconds or OFF Delayed restart for maximum dip time of 0 1 to 10 0 seconds or UNLIMITED time DELAY RESTART RANGE 0 2 to 300 seconds DELAY RESTART ACCURACY 0 2 seconds VOLTAGE BREAK MAKE CARRY CONTINUOUS MAKE CARRY 0 2 seconds RESISTIVE 30 V DC 10 A 10 A 30 A 125 V DC 0 5 A 250 V DC 0 3 A INDUCTIVE L R 7 ms 30 V DC 5 A 125 V DC 0 25 A 250 V DC ...

Страница 17: ... 90 1 Oscillatory Fast Risetime Transients IEC 801 4 Electrical Fast Transient Burst Requirements IMPULSE IEC 255 5 5 kV Impulse Voltage Test RFI 150 MHz 450 MHz 5 W Handheld Transmitter at 25 cm STATIC IEC 801 2 Electrostatic Discharge HI POT 1500 V 1 minute all inputs 30 V CT INPUT CURRENT BURDEN VA OHMS 1 A PHASE CT 1 A 0 009 0 01 5 A 0 2 20 A 3 5 5 A PHASE CT 5 A 0 04 0 002 25 A 0 9 100 A 16 5...

Страница 18: ...5 80 147 mm FUSE TYPE RATING 0 5 A 250 V Fast Blow High breaking capacity INSTALLATION WARNING HAZARD may result if the product is not used for its intended purpose VENILATION REQUIREMENTS None CLEANING REQUIREMENTS None CERTIFICATION COMPLIANCE CE IEC 947 1 IEC 1010 1 CSA Approved File No LR41286 UL Recognized File No E83849 QUALITY ASSURANCE SYSTEM Registered by QMI to CSA CAN3 Z299 3 1985 ISO 9...

Страница 19: ...2 1 2 INSTALLATION 2 1 MOUNTING 2 2 INSTALLATION 2 1 MOUNTING 2 1 1 DESCRIPTION Cut the panel as shown below to mount the MM2 Use either the 8 32 or 6 mounting screws provided to mount the MM2 to the panel Figure 2 1 MM2 MOUNTING INSTRUCTIONS ...

Страница 20: ...2 GE Power Management 2 1 MOUNTING 2 INSTALLATION 2 The dimensions for the standard MM2 and the MM2 with reduced mounting collar are shown below Figure 2 2 MM2 DIMENSIONS Figure 2 3 MM2 WITH DEPTH REDUCTION COLLAR DIMENSIONS ...

Страница 21: ...GE Power Management MM2 Motor Manager 2 2 3 2 INSTALLATION 2 1 MOUNTING 2 Figure 2 4 TYPICAL WIRING DIAGRAM ...

Страница 22: ... CONTACTOR A FOR FORWARD WYE ARD WYE CONTACTOR B CONTACTOR B REVERSE DEL REVERSE DELTA AUX AUX RELA RELAY 4 20mA 4 20mA INPUT INPUT PROCESS PROCESS PLC OR PLC OR TRANSDUCER TRANSDUCER RS485 REMOTE RS485 REMOTE COMMUNICA COMMUNICATION TION 1200 19K2 BAUD 1200 19K2 BAUD CONTROL CONTROL INPUTS INPUTS PHASE CT PHASE CT GROUND CT GROUND CT PHASE PT PHASE PT THERMIST THERMISTOR OR CONT CONTACT ACTOR OR ...

Страница 23: ...CT input can be used for improved sensitivity when measuring the ground fault current Care must be taken when turning ON the Ground Fault Trip feature If the interrupting device contactor or circuit breaker is not rated to break ground fault current low resistance or solidly grounded systems the feature should be disabled The 50 025 input is only rec ommended to be used on resistance grounded syst...

Страница 24: ... a 24 V DC signal to these terminals Correct polarity is required Terminal 21 24 V DC Terminal 22 0 V DC 2 2 9 OUTPUT RELAYS There are up to 4 output relays on the MM2 Contact switching rating for the output relays as well can be found in Section 1 3 SPECIFICATIONS on page 1 4 Contactor A Relay 34 35 non reversing forward low speed etc Contactor B Relay 32 33 reversing high speed etc AUX Relay 1 2...

Страница 25: ...ted together The shield wire must be connected to Terminal 38 485 SERIAL GROUND on every unit in the link to provide a common ground potential for all units Each relay should be daisy chained to the next one Avoid star or stub connected configurations if possible to avoid potential communication problems A terminating resistor and capacitor network is required to prevent communication errors Only ...

Страница 26: ... MM2 one for contactor A the other for contactor B Auxiliary contacts mechanically linked to the contactor itself are used to feed back to the contactor status inputs No status change following a start command indicates an open contactor control cir cuit and no status change following stop command indicates a welded contactor Appropriate mes sages and alarms are displayed for these conditions and ...

Страница 27: ...SAGE DISPLAY A 40 character display is used to communicate all information about the system to the user Trip and alarm messages will automatically override the currently displayed message If no key is pressed for 2 minutes a user selected default messaging sequence will be displayed If the motor is currently stopped the Motor Status message will be the default message Once the motor is started the...

Страница 28: ...tor will be on The MM2 must be replaced or repaired CONTACTOR A If the Contactor A Relay is energized this indicator will be on CONTACTOR B If the Contactor B Relay is energized this indicator will be on AUX 1 If Auxiliary Relay 1 is on this indicator will be on AUX 2 If Auxiliary Relay 2 is on this indicator will be on AUTO If the MM2 is in Auto control mode or the Hard Wired Auto mode this indic...

Страница 29: ...go from line to line within a section press the MESSAGE LEFT and MESSAGE RIGHT keys To alter a setpoint the VALUE UP and VALUE DOWN keys can be used All setpoints can be incre mented or decremented to pre determined limits When the desired value is reached the STORE key must be used to save the new setpoint If an altered setpoint is not stored the previous value will still be in effect All control...

Страница 30: ...he user to stop the motor from the faceplate of the MM2 EFFECT Pressing this key will cause the Contactor A and Contactor B output relays to de energize therefore dropping out the motor contactor USE The STOP key is used to stop the motor 3 2 5 RESET KEY FUNCTION The RESET key allows the user to reset MM2 trips EFFECT Pressing this key will reset a tripped state on the MM2 A message indicating tha...

Страница 31: ...WN key has no effect USE These keys are used to move through the sections of the currently selected page 3 2 9 MESSAGE LEFT RIGHT KEYS FUNCTION The MESSAGE LEFT and MESSAGE RIGHT keys allow the user to scan the next or previous line of the currently selected section EFFECT Pressing the MESSAGE RIGHT key displays the next line of the current section Pressing the MESSAGE LEFT key displays the previo...

Страница 32: ...r of cycles to reduce the affects of noise and harmonics Thermistor analog input VT voltage control supply voltage and internal reference voltage are also monitored An external preci sion 5V DC reference is used as the input reference for the A D converter When power to the unit is removed a small 8 bit processor 68HC705 will continue to operate for a period of at least 1 hour This processor is po...

Страница 33: ...GE Power Management MM2 Motor Manager 2 3 7 3 HARDWARE 3 3 THEORY OF OPERATION 3 Figure 3 2 BLOCK DIAGRAM ...

Страница 34: ...3 8 MM2 Motor Manager 2 GE Power Management 3 3 THEORY OF OPERATION 3 HARDWARE 3 ...

Страница 35: ... DOWN keys may be used to view all of the setpoints data The Setpoint values themselves are changed by pressing the VALUE UP or VALUE DOWN keys until the desired value is reached When a Setpoint is adjusted to its proper value the STORE key must be pressed in order to store the Setpoint into the MM2 non volatile memory Once the STORE key is pressed the flash message shown below will appear on the ...

Страница 36: ...POINTS S6 FACTORY DATA MOTOR PROTECTION THERMAL MOTOR PROTECTION GROUND FAULT MOTOR PROTECTION OPTIONS LOAD PROTECTION UNDER OVERVOLTAGE PROTECTION COMMUNICATION MOTOR IDENTIFICATION STARTER CT VT INPUTS THERMISTOR FAULT MODE STATISTICS PROGRAMMABLE MESSAGES PREFERENCES UNDERVOLTAGE AUTO RESTART AUX RELAY 1 CONFIG AUX RELAY 2 CONFIG PLANT CONDITION PRESET COUNTERS AND TIMERS PRODUCT FIRMWARE IDENT...

Страница 37: ...ddress BAUD RATE 9600 Range 1200 2400 4800 9600 19200 Selects the data transfer rate for Modbus serial communications PARITY NONE Range NONE ODD EVEN This setpoint determines what type of parity checking is used when com municating to the MM2 MOTOR NAME MOTOR Range 20 ASCII characters Enter a motor name that will appear in the actual values message A1 DATA MOTOR DATA MOTOR STATUS MOTOR RATING OFF ...

Страница 38: ...100 seconds Step 1 second Appears only if STARTER TYPE is set as WYE DELTA OPN TRNS or WYE DELTA CLS TRANS See CHANGE OVER CURRENT setpoint above for operation TRANSFER TIME 10 s Range 1 to 125 seconds Step 1 second Appears only if STARTER TYPE is set as FV REVERSING or TWO SPEED With two speed starters this delay is required when the motor is switched from high speed Contactor B to low speed Cont...

Страница 39: ...SPEED PHASE CT PRIMARY AMPS 100 Range 5 to 1000 A Step 5 A Appears only if STARTER TYPE is TWO SPEED Enter the high speed CT rated primary amps In effect only when Contactor B is energized GROUND FAULT CT INPUT 50 0 025 CBCT Range 50 0 025 CBCT 5 A SEC CBCT 5 A RESIDUAL Enter the ground sensing used either sensitive 50 0 025 core balanced ground fault CT 5 A sec core balanced CT or 5 A Residual fo...

Страница 40: ... be selected for an Alarm or Trip or both Choose ENABLE to allow Thermistor Alarms to occur INTERNAL FAULT TRIP ENABLE Range ENABLE DISABLE An internal fault during self checking will cause an alarm Since opera tion may be erratic depending on the fault condition it may be desirable to trip the motor by setting this setpoint to ENABLE The MM2 continues to run the motor with an internal fault prese...

Страница 41: ... counters on page A4 STATISTICS COUNTERS CLEAR INTERLOCK COUNTER DISABLE Range ENABLE DISABLE Select ENABLE and press STORE to clear the interlock counter on page A4 STATISTICS COUNTERS CLEAR ENERGY USED DISABLE Range ENABLE DISABLE Select ENABLE and press STORE to clear the energy used kWhrs on page A1 DATA MOTOR DATA PROGRAMMABLE MESSAGE SAMPLE TEXT Range 40 ASCII characters Enter a 40 character...

Страница 42: ...ES IN SECONDS OVERLOAD LEVEL CURVE NUMBER 1 2 3 4 5 6 7 8 1 05 7200 7200 7200 7200 7200 7682 10243 12804 1 10 416 833 1250 1666 2916 3750 5000 6250 1 20 198 397 596 795 1392 1789 2386 2982 1 30 126 253 380 507 887 1141 1521 1902 1 40 91 182 273 364 638 820 1093 1367 1 50 70 140 210 280 490 630 840 1050 1 75 42 84 127 169 297 381 509 636 2 00 29 58 87 116 204 262 350 437 2 25 21 43 64 86 150 193 25...

Страница 43: ...igure 4 2 GE POWER MANAGEMENT TIME OVERCURRENT CURVES 05 0 1 0 5 1 2 3 4 5 6 7 8 9 10 20 50 100 1 10 100 1000 10000 100000 1 2 3 4 5 6 7 8 CURVE CURVE MM2 MM3 STANDARD TIME CURRENT OVERLOAD CURVES MULTIPLE OF PICKUP CURRENT PER UNIT 807638D4 CDR TIME SECONDS GE POWER MANAGEMENT ...

Страница 44: ...N SECONDS OVERLOAD LEVEL CURVE CLASS 10 CLASS 15 CLASS 20 CLASS 30 1 05 3349 5024 6698 10047 1 10 1635 2452 3269 4904 1 20 780 1170 1560 2340 1 30 497 746 995 1492 1 40 358 536 715 1073 1 50 275 412 549 824 1 75 166 250 333 499 2 00 114 172 229 343 2 25 84 127 169 253 2 50 65 98 131 196 2 75 52 78 105 157 3 00 43 64 86 129 3 50 30 46 61 91 4 00 23 34 46 67 4 50 17 8 27 36 53 5 00 14 3 21 29 43 5 5...

Страница 45: ...IME OVERCURRENT CURVES CLASS 10 CLASS 10 CLASS 15 CLASS 15 CLASS 20 CLASS 20 CLASS 30 CLASS 30 CURVE CURVE 0 1 0 5 1 2 3 4 5 6 7 8 9 10 20 50 100 1 10 100 1000 10000 100000 MM2 MM3 NEMA COMPATIBLE TIME CURRENT OVERLOAD CURVES MULTIPLE OF PICKUP CURRENT PER UNIT 807903D4 CDR TIME SECONDS GE POWER MANAGEMENT ...

Страница 46: ...point dictates where the overload curve begins as the motor enters an overload condition This is useful for service factor motors as it allows the pickup level to be defined The curve is effectively cut off at current values below this pickup OVERLOAD CURVE NUMBER 4 Range 1 to 8 CLASS 10 CLASS 15 CLASS 20 CLASS 30 Select 1 of 12 different I2t time overcurrent overload curves Consult the overload c...

Страница 47: ...ROUND FAULT ALARM LEVEL to some arbi trary amount below the GROUND FAULT TRIP LEVEL to get an early warning of insulation breakdown For maximum sensitivity the value selected should be just high enough to prevent nuisance alarms If the 5A SEC CBCT value is selected the level is calculated as a percentage of the G F CT PRIMARY setting if the 5A RESIDUAL value is selected the level is cal culated as...

Страница 48: ...round Fault Trips at a later time would indicate a deterioration in the system and insulation integrity should be verified Persistent high values of leakage current pose a threat to personnel and equipment and should not be left unchecked If the 5A CBCT RESIDUAL value is selected the level is calculated as a per centage of the G F CT PRIMARY setting if the 5A RESIDUAL value is selected the level i...

Страница 49: ...he lockout time following an Over load Trip This allows the motor to be restarted after it has cooled to a safe starting temperature When set to DISABLE the lockout time after an Overload Trip will be the time required for the thermal memory to reduce to 15 For example if the thermal capacity used during the previous start is 40 then after an occurrence of an Overload Trip a RESET can be accomplis...

Страница 50: ...ote when the Lockout Reset function is configured the RESET key will no longer be able to reset the three lockout trips PHASE UNBALANCE ALARM ENABLE Range ENABLE DISABLE When an unbalance in phase currents exceeds the internally set threshold an alarm condition will be generated if this value is set to ENABLE The internal threshold is 15 and the unbalance must be above this threshold for at least ...

Страница 51: ...ture is that it allows for more accurate sensing if the loss of load results in only a small change in current and a power factor shift If the power remains below this value while the motor is running for the time specified in UNDERPOWER TRIP DELAY the MM2 will trip Set this value to OFF if no Underpower Trip is required UNDERPOWER TRIP DELAY 10 s Range 1 to 60 seconds Step 1 second Appears if VT ...

Страница 52: ...Set the UNDERCURRENT TRIP DELAY long enough to prevent nuisance trips from momentary current dips when the Undercurrent Trip feature is used STALLED ROTOR TRIP LEVEL 4 50 xFLC Range 1 15 to 4 50 x FLC or OFF Step 0 05 x FLC Mechanical equipment such as pumps or fans can be quickly damaged if it jams resulting in a locked rotor stall Even though the motor may be able to withstand the locked rotor f...

Страница 53: ...cond Appears if VT PRIMARY VOLTAGE is not set to OFF Set the UNDERVOLTAGE TRIP DELAY long enough to prevent nuisance trips from momentary volt age dips when the Undervoltage Trip feature is used OVERVOLTAGE ALARM LEVEL OFF V Range 0 to 600 V or OFF Step 1 V Appears if VT PRIMARY VOLTAGE is not set to OFF This feature functions the same as the Overvoltage Trip feature but produces an alarm indica t...

Страница 54: ...tch input is closed and energized See the following page for explanation of the range options STARTUP OVERRIDE DELAY 0 s Range 0 to 3600 seconds or OFF Step 1 second See PROCESS INTERLOCK A RUNNING OVERRIDE DELAY 0 s Range 0 to 3600 seconds or OFF Step 1 second See PROCESS INTERLOCK A OPERATION INTERLOCK STOP Range INTERLOCK STOP LATCHED TRIP See PROCESS INTERLOCK A INSTANTANEOUS ALARM DISABLE Ran...

Страница 55: ...althy for longer than the Running Override Delay a Process Interlock Trip or Process Interlock Stop will occur If the RUNNING OVERRIDE DELAY is set to OFF and the Pro cess Interlock switch goes unhealthy after the motor has started no Process Interlock Trip or Process Interlock Stop will occur The OPERATION setpoint determines whether the Process Inter lock feature is a Process Interlock Trip rese...

Страница 56: ...oint descriptions for further functionality AUTO START A This function is used in conjunction with the AUTO PERMISSIVE function described above When the Auto Permissive switch is healthy the Auto Start A switch can be used to start the motor AUTO START B This function is used together with the AUTO PERMISSIVE function When the Auto Permissive switch is healthy the Auto Start B switch can be used t...

Страница 57: ...n this switch is unhealthy the MM2 reverts back to the mode that was present before the switch was closed Manual mode MANUAL LED on or Hard Wired Auto mode AUTO LED on INTERLOCK COUNTER This function provides a means to count switch closures when assigned to one of the programmable switch inputs When the switch input is put into the healthy position the counter will increment by one The counter ca...

Страница 58: ...put relay will respond to start commands When B is selected only the contactor B output relay will respond to start com mands DUTY SELECT MAN AUTO This setting is used in conjunction with the Duty Standby starter type This input determines the mode of operation for the Duty Standby starter type either Man ual or Auto In the Auto mode the MM2 will alternatively start Motor A and Motor B When the nu...

Страница 59: ...characters This setpoint allows defining the name of the interlock counter See PROCESS INTERLOCK A NAME for directions on entering characters INTLK COUNTER UNITS UNITS Range 20 alphanumeric characters This setpoint allows defining the units of the interlock counter See PROCESS INTLK A NAME for directions on entering characters FIELD STOP UNLATCHED Range LATCHED UNLATCHED If the MM2 detects that ei...

Страница 60: ...tpoint MAXIMUM SCALE 20 mA 1000 Range 10 to 20000 Step 10 Enter the maximum scale value corresponding to a 20 mA analog input ANALOG ALARM LOW LEVEL OFF Range 1 to 20000 or OFF Step 1 If the analog input scaled value drops below the level set by this set point an Analog Input Low Alarm will occur Note that the alarm level must be a value between the MINIMUM SCALE and MAXIMUM SCALE val ues ANALOG A...

Страница 61: ...r ANALOG TRIP HIGH LEVEL OFF Range 1 to 20000 or OFF Step 1 If the analog input scaled value exceeds the level set by this setpoint an Analog Input High Trip will occur Note that the trip level must be a value between the MINIMUM SCALE and MAXIMUM SCALE values ANALOG TRIP HIGH OVERRIDE 5 s Range 1 to 125 seconds or OFF Step 1 The analog level must reach a healthy state less than trip level after a...

Страница 62: ...our Once con trol power is restored the MM2 can take up to 300 ms to initialize this time includes the initializing of the microprocessor variables in the code the determination that a restart is required and the closure of the internal output relay The reaction time of the contactor will be in addi tion to the 300 ms power up time If control voltage is restored within the IMMED RESTART POWER LOSS...

Страница 63: ...C AUX Relay 1 can be configured to activate on various conditions as described below AUX RELAY 1 DELAY 5 s Range 0 to 125 sec Step 1 Provides a delayed energization of AUX Relay 1 when POST CONTACTOR A or POST CONTACTOR B is selected as the AUX RELAY 1 FUNCTION AUX RELAY 1 PRE START DELAY 5 s Range 0 to 900 sec Step 1 Determines how long the AUX Relay 1 will energize before energizing Contactor A ...

Страница 64: ...he AUX RELAY 1 DELAY setpoint The AUX Relay 1 will de energize when Contactor B de energizes MOTOR AVAILABLE MANUAL When the Motor Status message indicates that the motor can be started manually the AUX Relay 1 will be energized Any other Motor Status indication will cause the AUX Relay 1 to be de energized LOAD INCREASE The AUX Relay 1 will energize while a Load Increase Alarm is present UNDERCUR...

Страница 65: ...UTOTRANSFORMER 2S This function must be configured when using the autotransformer open closed transition starter type See Section 9 7 AUTOTRANSFORMER OPEN TRANSI TION STARTER on page 9 20 and 9 8 AUTOTRANSFORMER CLOSED TRANSITION STARTER on page 9 24 for more details NOT USED This function may be stored if the AUX Relay is not used Factory default is serial control SEGREGATED G F ALARM This functi...

Страница 66: ...he Motor Running Hours If this feature is not required set this setpoint to OFF CONTACTOR INSPECTION OFF x 1000 OPS Range 1000 to 10000000 operations or OFF Step 1000 ops Enter the interval at which the contactor contacts must be inspected for wear When the NUMBER OF STARTS counter exceeds this setpoint a CONTACTOR INSPECTION INTERVAL ALARM is generated Use the S1 CONFIGURATION STATISTICS CLEAR CO...

Страница 67: ... 1 Sets the number of Ground Fault trips to a predetermined value PRESET SINGLE PHASE TRIPS 0 Range 0 to 65535 Step 1 Sets the number of Single Phase trips to a predetermined value PRESET ACCELERATION TRIPS 0 Range 0 to 65535 Step 1 Sets the number of Acceleration trips to a predetermined value PRESET UNDERCURRENT TRIPS 0 Range 0 to 65535 Step 1 Sets the number of Undercurrent trips to a predeterm...

Страница 68: ...ayed in this message MOTOR MANAGER 3 VERSION X XX Range for identification only This message identifies the MM2 main firmware version BOOT PROGRAM VERSION X XX Range for identification only This message identifies the MM2 Boot Program version DISPLAY PROGRAM VERSION X XX Range for identification only This message identifies the MM2 Display Program version when the display option has been ordered S...

Страница 69: ...s are pressed for 2 minutes and the motor is running then the currently displayed message will automatically be overwritten by the first default message After 3 seconds the next default message in the sequence will display if more than one is selected Alarm and trip messages will override default message display Any Actual Value or Setpoint can be selected as a default message For example the MM2 ...

Страница 70: ...VIATIONS The following abbreviations are used in the Actual Values messages A AMPS Amperes kW Kilowatts kWhr Kilowatt hours MIN Minutes N O Normally Open O L Overload s Seconds Figure 5 1 MESSAGE SUMMARY NOT A SELECTED DEFAULT MESSAGE ACTUAL VALUES A1 DATA ACTUAL VALUES A2 STATUS ACTUAL VALUES A3 INPUTS ACTUAL VALUES A4 STATISTICS MOTOR DATA PROCESS DATA PROGRAMMABLE MESSAGE TRIP DATA ALARM DATA M...

Страница 71: ...puts and the START A START B keys will be ignored Available Manual Start commands from the Start A Start B switch inputs and or the START A START B keys will be performed Start commands from the serial port and Auto Start A Auto Start B switch inputs will be ignored Running At least one contactor output relay is closed A 74 B 74 C 74 AMPS This message displays the actual RMS current in each phase ...

Страница 72: ...s This message displays the estimated time to trip based on the present overload level and thermal capacity used This message is only used in conjunction with overload trips POWER 1000 kW This message displays the three phase power calculated using phase A current and voltage Van or Vab This message will appear only if the VT PRIMARY VOLTAGE setpoint is programmed ENERGY USED 10600 kWhr This messa...

Страница 73: ... trip If no trip is present the display indicates NO TRIP When a trip occurs the cause of trip message will override the currently selected default message The pos sible causes of trip are OVERLOAD GROUND FAULT SINGLE PHASE THERMISTOR ACCELERATION TIME STALLED ROTOR PLANT INTERLOCK LOCAL ISOLATOR UNDERCURRENT UNDERPOWER SERIAL LINK FAIL INTERNAL FAULT ANALOG INPUT LOW ANALOG INPUT HIGH EMERGENCY S...

Страница 74: ...e Acceleration Time Alarm Level GROUND FAULT ALARM The ground current has exceeded Ground Fault Alarm Level for the Ground Fault Alarm Time Delay OPEN CONTROL CIRCUIT While performing a start the MM2 did not see a change in contactor sta tus open to closed within 1 sec of energizing the output relay WELDED CONTACTOR While performing a stop the MM2 did not see a change in contactor sta tus closed t...

Страница 75: ...cess Interlock C switch input has been detected PROCESS INTERLOCK D ALARM An open Process Interlock D switch input has been detected PROCESS INTERLOCK E ALARM An open Process Interlock E switch input has been detected PROCESS INTERLOCK F ALARM An open Process Interlock F switch input has been detected PROCESS INTERLOCK G ALARM An open Process Interlock G switch input has been detected PROCESS INTE...

Страница 76: ...ion is occurring on a Two Speed starter or if a direction change is occurring on Reversing starter The displayed time indicates either the time remain ing until the low speed output relay Contactor A will energize or the time remaining until the forward output relay Contactor A or the reverse output relay Contactor B will energize RESTART INHIBIT 25 s This message will appear when an autotransform...

Страница 77: ...n LOCAL ISOLATOR N O OPEN Local Isolator switch input status CLOSED Local Isolator switch closed OPEN Local Isolator switch open INTERLOCK 1 OPEN NOT USED Interlock 1 switch input status CLOSED Interlock 1 switch closed OPEN Interlock 1 switch open This message also shows the function if any assigned to Interlock 1 INTERLOCK 2 OPEN NOT USED Interlock 2 switch input status CLOSED Interlock 2 switch...

Страница 78: ...he function if any assigned to Interlock 7 INTERLOCK 8 OPEN NOT USED Interlock 8 switch input status CLOSED Interlock 8 switch closed OPEN Interlock 8 switch open This message also shows the function if any assigned to Interlock 8 INTERLOCK 9 OPEN NOT USED Interlock 9 switch input status CLOSED Interlock 9 switch closed OPEN Interlock 9 switch open This message also shows the function if any assig...

Страница 79: ...t has been configured to INTERLOCK COUNTER NUMBER OF STARTS 26 This is the total number of contactor operations When the MM2 receives feedback into either contactor status input to confirm that one of the main contactors have closed this counter will increment TOTAL TRIPS 6 When the MM2 trips for any reason this value is incremented It is the sum of all of the individual causes of trip OVERLOAD TR...

Страница 80: ...5 12 MM2 Motor Manager 2 GE Power Management 5 5 A4 STATISTICS 5 ACTUAL VALUES 5 ...

Страница 81: ...tion is bi direc tional the data is never transmitted and received at the same time This means that the data flow is half duplex RS485 lines should be connected in a daisy chain configuration with terminating networks installed at each end of the link i e at the master end and at the slave farthest from the master The termi nating network should consist of a 120 Ω resistor in series with a 1 nF ce...

Страница 82: ...odes of 1 to 127 The MM2 implements some of these functions See Section 6 1 8 MM2 SUPPORTED FUNCTIONS on page 6 4 details of the supported function codes In a master request transmission the FUNCTION CODE tells the slave what action to perform In a slave response transmission the FUNCTION CODE tells the master what function was performed as requested If the high order bit of the FUNCTION CODE sent...

Страница 83: ...er A will contain the CRC value to be transmitted Note that this algorithm requires the characteristic polynomial to be reverse bit ordered The MSBit of the characteristic polynomial is dropped since it does not affect the value of the remain der The following symbols are used in the algorithm data transfer A 16 bit working register AL low order byte of A AH high order byte of A CRC 16 bit CRC 16 ...

Страница 84: ... all slaves start listening for a new transmission from the master Thus at 9600 baud a delay of greater than 3 5 1 9600 10 3 65 ms will cause the communication link to be reset 6 1 8 MM2 SUPPORTED FUNCTIONS The following functions are supported by the MM2 FUNCTION CODE 01 Read Coil Status FUNCTION CODE 03 Read Setpoints and Actual Values FUNCTION CODE 04 Read Setpoints and Actual Values FUNCTION C...

Страница 85: ...uest slave 17 to respond with status of 6 operations starting at operation 10 after performing command operation 13 Manual Inhibit has the following format The DATA 1 definition is as follows Table 6 1 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 01H MASTER TRANSMISSION BYTES EXAMPLE DESCRIPTION SLAVE ADDRESS 1 11 message for slave 17 FUNCTION CODE 1 01 read last command operation OPERATION STARTI...

Страница 86: ...s sent as a two byte number with the high order byte sent first For example consider a request for slave 17 to respond with 3 registers starting at address 006B For this example the register data in these addresses is as follows The master slave packets have the following format Address Data 006B 022B 006C 0000 006D 0064 Table 6 2 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 03H MASTER TRANSMISSIO...

Страница 87: ... is the slave address function code a count of the data bytes to follow the data itself and the CRC Each data item is sent as a two byte number with the high order byte sent first For example request slave 17 to respond with 1 register starting at address 0008 For this example the value in this register 0008 is 0000 Table 6 3 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 04H MASTER TRANSMISSION BYT...

Страница 88: ...erformed by the MM2 using function code 05 can also be initiated by using function code 10 See Section 6 2 8 FUNCTION CODE 10H on page 6 12 for an example of performing commands using function code 10 Table 6 4 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 05H MASTER TRANSMISSION BYTES EXAMPLE DESCRIPTION SLAVE ADDRESS 1 11 message for slave 17 FUNCTION CODE 1 05 execute operation OPERATION CODE 2 ...

Страница 89: ...mple is complete setpoints address 1020 will contain the value 01F4 The master slave packet format is shown below Table 6 5 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 06H MASTER TRANSMISSION BYTES EXAMPLE DESCRIPTION SLAVE ADDRESS 1 11 message for slave 17 FUNCTION CODE 1 06 store single setpoint DATA STARTING ADDRESS 2 10 20 setpoint address 1020 DATA 2 01 F4 data for setpoint address 1020 CRC ...

Страница 90: ...The master slave packets have the following format LSBit B0 Alarm condition 1 B1 Trip condition 1 B2 Internal fault 1 B3 Auto mode selected 1 B4 Contactor A N O input closed 1 open 0 B5 Contactor B N O input closed 1 open 0 B6 AUX Relay 1 Status MSBit B7 AUX Relay 2 Status Table 6 6 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 07H MASTER TRANSMISSION BYTES EXAMPLE DESCRIPTION SLAVE ADDRESS 1 11 me...

Страница 91: ...er a loopback test from slave 17 Table 6 7 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 08H MASTER TRANSMISSION BYTES EXAMPLE DESCRIPTION SLAVE ADDRESS 1 11 message for slave 17 FUNCTION CODE 1 08 loopback test DIAG CODE 2 00 00 must be 00 00 DATA 2 00 00 must be 00 00 CRC 2 E0 0B CRC error code SLAVE RESPONSE BYTES EXAMPLE DESCRIPTION SLAVE ADDRESS 1 11 message from slave 17 FUNCTION CODE 1 08 lo...

Страница 92: ... store the value 01F4 to setpoint address 1028 and the value 2710 to setpoint address 1029 After the transmission in this example is complete MM2 slave 17 will have the following setpoints information stored The master slave packets have the following format Address Data 1028 01F4 1029 2710 Table 6 8 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 10H MASTER TRANSMISSION BYTES EXAMPLE DESCRIPTION SLA...

Страница 93: ...ransmissions received from the master with CRC errors will be ignored by the MM2 The slave response to an error other than CRC error will be SLAVE ADDRESS 1 byte FUNCTION CODE 1 byte with MSbit set to 1 EXCEPTION CODE 1 byte CRC 2 bytes The MM2 implements the following exception response codes 01 ILLEGAL FUNCTION The function code transmitted is not one of the functions supported by the MM2 02 ILL...

Страница 94: ... For example consider a request for slave 17 to perform command operation 1 RESET The mas ter slave packets have the following format Table 6 9 MASTER SLAVE PACKET FORMAT FOR PERFORMING COMMANDS MASTER TRANSMISSION BYTES EXAMPLE DESCRIPTION SLAVE ADDRESS 1 11 message for slave 17 FUNCTION CODE 1 10 store multiple setpoints DATA STARTING ADDRESS 2 11 60 setpoint address 1160 NUMBER OF SETPOINTS 2 0...

Страница 95: ... address unless power is cycled again The address is changed using a broadcast command to comms address 0 and a command function code Note This procedure can be accomplished using the MM2PC software See Chapter 8 MM2PC SOFTWARE for details For example to store communications address 25 to a new MM2 without a display we have the fol lowing master slave packet format The master slave packets have th...

Страница 96: ... as a setpoint and therefore it is remembered even when the power is removed For example if the values of Phase A Current register address 0031H and DRIVE STATUS regis ter address 0023H are required to be read from a MM2 their addresses may be re mapped as fol lows 1 Write 0031H to address 1280H User Definable Register Index 0000 using function code 06 or 16 2 Write 0023H to address 1281H User Def...

Страница 97: ...tus Flags F106 103 30028 27 001B Trip Active Status Flags 1 F107 104 30029 28 001C Trip Active Status Flags 2 F108 105 30035 34 0022 Command Mode F6 106 30036 35 0023 Drive Status F7 107 30037 36 0024 Motor Mode F8 108 30049 48 0030 Phase Current Scale Factor F1 109 30050 49 0031 Phase A Current F1 10A 30051 50 0032 Phase B Current F1 10B 30052 51 0033 Phase C Current F1 10C 30053 52 0034 Ground C...

Страница 98: ...0098 97 0061 Number of Starts low order F2 126 30099 98 0062 Total Trips F1 127 30100 99 0063 Overload Trips F1 128 30101 100 0064 Thermistor Trips F1 129 30102 101 0065 Ground Fault Trips F1 12A 30103 102 0066 Single Phase Trips F1 12B 30104 103 0067 Acceleration Time Trips F1 12C 30105 104 0068 Undercurrent Trips F1 12D 30106 105 0069 Underpower Trips F1 12E 30107 106 006A Stalled Rotor Trips F1...

Страница 99: ...two areas setpoints and actual values Setpoints can be read and written by a master computer Actual Values can be read only All Setpoints and Actual Val ues are stored as two byte values That is each register address is the address of a two byte value Addresses are listed in hexadecimal Data values Setpoint ranges increments factory values are in decimal ...

Страница 100: ...33 manuf mo day 30013 12 000C Manufacture year F34 manuf year 30014 13 000D Reserved 30015 14 000E Display Processor F W Version Code F1 current version 30016 15 000F Reserved STATUS 30017 16 0010 Switch Input Status F100 N A 30018 17 0011 LED Status Flags 1 F101 N A 30019 18 0012 LED Status Flags 2 F102 N A 30020 19 0013 Operation Status Flags F103 N A 30021 20 0014 General Alarm Active Status Fl...

Страница 101: ... 1 x A F1 N A 30054 53 0035 Motor Load FLC F1 N A 30055 54 0036 Thermal Capacity F1 N A 30056 55 0037 Current Unbalance F1 N A 30057 56 0038 Acceleration Time 0 1 x s F1 N A 30058 57 0039 Last Starting Current F1 N A 30059 58 003A O L Time to Trip s F1 N A 30060 59 003B Power high order 0 1 x kW F3 N A 30061 60 003C Power low order 0 1 x kW F3 N A 30062 61 003D Power scaled kW F21 N A 30063 62 003...

Страница 102: ... 97 0061 Number of Starts low order F2 0 30099 98 0062 Total Trips F1 0 30100 99 0063 Overload Trips F1 0 30101 100 0064 Thermistor Trips F1 0 30102 101 0065 Ground Fault Trips F1 0 30103 102 0066 Single Phase Trips F1 0 30104 103 0067 Acceleration Time Trips F1 0 30105 104 0068 Undercurrent Trips F1 0 30106 105 0069 Underpower Trips F1 0 30107 106 006A Stalled Rotor Trips F1 0 30108 107 006B Cont...

Страница 103: ...rror Code N A 30135 134 0086 Phase A Current fast update F1 N A 30136 135 0087 Phase B Current fast update F1 N A 30137 136 0088 Phase C Current fast update F1 N A 30138 137 0089 Ground Current fast update 0 1 x A F1 N A 30139 138 008A Voltage fast update V F1 N A 30140 139 008B Current Display Line F1 N A 30141 140 008C Current Display Mode F1 N A 30142 141 008D Reserved 30143 142 008E Reserved 3...

Страница 104: ... A 30164 163 00A3 Msg Buffer characters 39 and 40 ASCII F10 N A 30165 164 00A4 Reserved 30176 175 00AF Reserved 30177 176 00B0 Second Mod File Number F1 N A 30178 177 00B1 Third Mod File Number F1 N A 30179 178 00B2 Fourth Mod File Number F1 N A 30180 179 00B3 Fifth Mod File Number F1 N A 30181 180 00B4 Reserved 30256 255 00FF Reserved USER DEF DATA 30257 256 0100 User Definable Data 0000 30258 25...

Страница 105: ... F10 44105 4104 1008 Motor Name characters 17 and 18 32 127 1 ASCII F10 44106 4105 1009 Motor Name characters 19 and 20 32 127 1 ASCII F10 44107 4106 100A Motor Power Rating 3 11001 1 0 1 xkW F1 65535 OFF 44108 4107 100B High Speed Motor Power Rating 3 11001 1 0 1 xkW F1 65535 OFF 44109 4108 100C System Supply Voltage 110 600 1 V F1 480 44110 4109 100D Reserved 44111 4110 100E Reserved 44112 4111 ...

Страница 106: ...ERMIS TOR 44137 4136 1028 Cold Resistance 1 300 1 0 1 x kW F1 1 0 1 kW 44138 4137 1029 Hot Resistance 1 300 1 0 1 x kW F1 50 5 0 kW 44139 4138 102A Thermistor Trip 0 1 1 F14 0 DISABLE 44140 4139 102B Thermistor Alarm 0 1 1 F14 0 DISABLE 44141 4140 102C Reserved 44142 4141 102D Reserved 44143 4142 102E Reserved 44144 4143 102F Reserved FAULT MODE 44145 4144 1030 Internal Fault Trip 0 1 1 F14 1 ENAB...

Страница 107: ...1 30 44172 4171 104B Overload Trip Reset 0 1 1 F16 0 MANUAL 44173 4172 104C Phase Unbalance Alarm 0 1 1 F14 1 ENABLE 44174 4173 104D Thermal Capacity Alarm 1 101 1 F1 101 OFF 44175 4174 104E Open Control Circuit Trip 0 1 1 F14 0 Disable 44176 4175 104F Reset Alarms using the Reset Key 0 1 1 F14 0 Disable LOAD PROTEC TION 44177 4176 1050 Under Power Alarm Level 2 11001 1 0 1 xkW F1 65535 OFF 44178 ...

Страница 108: ... 1 1 F14 0 DISABLE 44206 4205 106D Reserved 44207 4206 106E Reserved 44208 4207 106F Reserved 44209 4208 1070 Interlock Input 3 Function 0 34 1 F17 0 NOT USED 44210 4209 1071 Startup Override Delay 0 3601 1 s F1 0 44211 4210 1072 Running Override Delay 0 3601 1 s F1 0 44212 4211 1073 Operation 0 1 1 F18 0 IL STOP 44213 4212 1074 Instantaneous Alarm 0 1 1 F14 0 DISABLE 44214 4213 1075 Reserved 4421...

Страница 109: ...NOT USED 44242 4241 1091 Startup Override Delay 0 3601 1 s F1 0 44243 4242 1092 Running Override Delay 0 3601 1 s F1 0 44244 4243 1093 Operation 0 1 1 F18 0 IL STOP 44245 4244 1094 Instantaneous Alarm 0 1 1 F14 0 DISABLE 44246 4245 1095 Reserved 44247 4246 1096 Reserved 44248 4247 1097 Reserved 44249 4248 1098 Interlock Input 8 Function 0 34 1 F17 0 NOT USED 44250 4249 1099 Startup Override Delay ...

Страница 110: ...276 10B4 Process Intlk A Name chars 9 10 32 127 1 ASCII F10 IN 44278 4277 10B5 Process Intlk A Name chars 11 12 32 127 1 ASCII F10 TE 44279 4278 10B6 Process Intlk A Name chars 13 14 32 127 1 ASCII F10 RL 44280 4279 10B7 Process Intlk A Name chars 15 16 32 127 1 ASCII F10 OC 44281 4280 10B8 Process Intlk A Name chars 17 18 32 127 1 ASCII F10 K 44282 4281 10B9 Process Intlk A Name chars 19 20 32 12...

Страница 111: ...0 OC 44313 4312 10D8 Process Intlk C Name chars 17 18 32 127 1 ASCII F10 K 44314 4313 10D9 Process Intlk C Name chars 19 20 32 127 1 ASCII F10 C 44315 4314 10DA Reserved 44320 4319 10DF Reserved 44321 4320 10E0 Process Intlk D Name chars 1 and 2 32 127 1 ASCII F10 PR 44322 4321 10E1 Process Intlk D Name chars 3 and 4 32 127 1 ASCII F10 OC 44323 4322 10E2 Process Intlk D Name chars 5 and 6 32 127 1...

Страница 112: ...Analog Input Units chars 1 and 2 32 127 1 ASCII F10 UN 44356 4355 1103 Analog Input Units chars 3 and 4 32 127 1 ASCII F10 IT 44357 4356 1104 Analog Input Units chars 5 and 6 32 127 1 ASCII F10 S 44358 4357 1105 Analog Input Units chars 7 and 8 32 127 1 ASCII F10 44359 4358 1106 Analog Input Units chars 9 and 10 32 127 1 ASCII F10 44360 4359 1107 Minimum Scale 0 20000 10 F1 0 44361 4360 1108 Maxim...

Страница 113: ...ion 0 33 1 F20 0 SERIAL CNTL 44394 4393 1129 AUX Relay 1 Delay 0 125 1 s F1 5 44395 4394 112A AUX Relay 1 Motor Start Delay 0 125 1 s F1 5 44396 4395 112B AUX Relay 1 Motor Stop Delay 0 125 1 s F1 5 44397 4396 112C AUX Relay 1 Pre Delay 0 900 1 s F1 5 44398 4397 112D AUX Relay 1 Post Delay 0 126 1 s F1 126 OFF 44399 4398 112E AUX Relay 1 Operation 0 1 1 F12 0 non failsafe 44400 4399 112F Reserved ...

Страница 114: ...essage characters 9 and 10 32 255 1 ASCII F10 44430 4429 114D Flash message characters 11 and 12 32 255 1 ASCII F10 44431 4430 114E Flash message characters 13 and 14 32 255 1 ASCII F10 44432 4431 114F Flash message characters 15 and 16 32 255 1 ASCII F10 44433 4432 1150 Flash message characters 17 and 18 32 255 1 ASCII F10 44434 4433 1151 Flash message characters 19 and 20 32 255 1 ASCII F10 4443...

Страница 115: ... 0 65535 1 F1 0 44459 4458 116A Command Data 9 0 65535 1 F1 0 44460 4459 116B Command Data 10 0 65535 1 F1 0 44461 4460 116C Reserved 44464 4463 116F Reserved UNDER OVER VOLTAGE PROTEC TION 44465 4464 1170 Undervoltage Alarm Level 0 691 1 V F1 691 0FF 44466 4465 1171 Undervoltage Alarm Delay 1 60 1 s F1 10 44467 4466 1172 Undervoltage Trip Level 0 691 1 V F1 691 0FF 44468 4467 1173 Undervoltage Tr...

Страница 116: ...494 118E Programmable msg chars 29 30 32 255 1 ASCII F10 EX 44496 4495 118F Programmable msg chars 31 32 32 255 1 ASCII F10 T 44497 4496 1190 Programmable msg chars 33 34 32 255 1 ASCII F10 44498 4497 1191 Programmable msg chars 35 36 32 255 1 ASCII F10 44499 4498 1192 Programmable msg chars 37 38 32 255 1 ASCII F10 44500 4499 1193 Programmable msg chars 39 40 32 255 1 ASCII F10 44501 4500 1194 Re...

Страница 117: ...erved AUX 2 RELAY 44529 4528 11B0 AUX Relay 2 Function 0 33 1 F20 0 serial cntl 44530 4529 11B1 AUX Relay 2 Delay 0 125 1 s F1 5 44531 4530 11B2 AUX Relay 2 Motor Start Delay 0 125 1 s F1 5 44532 4531 11B3 AUX Relay 2 Motor Stop Delay 0 125 1 s F1 5 44533 4532 11B4 AUX Relay 2 Pre Delay 0 900 1 s F1 5 44534 4533 11B5 AUX Relay 2 Post Delay 0 126 1 s F1 126 OFF 44535 4534 11B6 AUX Relay 2 Operation...

Страница 118: ...Name chars 1 and 2 32 127 1 ASCII F10 PR 44578 4577 11E1 Process Intlk F Name chars 3 and 4 32 127 1 ASCII F10 OC 44579 4578 11E2 Process Intlk F Name chars 5 and 6 32 127 1 ASCII F10 ES 44580 4579 11E3 Process Intlk F Name chars 7 and 8 32 127 1 ASCII F10 S 44581 4580 11E4 Process Intlk F Name chars 9 10 32 127 1 ASCII F10 IN 44582 4581 11E5 Process Intlk F Name chars 11 12 32 127 1 ASCII F10 TE ...

Страница 119: ...cess Intlk H Name chars 15 16 32 127 1 ASCII F10 OC 44617 4616 1208 Process Intlk H Name chars 17 18 32 127 1 ASCII F10 K 44618 4617 1209 Process Intlk H Name chars 19 20 32 127 1 ASCII F10 H 44619 4618 120A Reserved 44624 4623 120F Reserved 44625 4624 1210 Process Intlk I Name chars 1 and 2 32 127 1 ASCII F10 PR 44626 4625 1211 Process Intlk I Name chars 3 and 4 32 127 1 ASCII F10 OC 44627 4626 1...

Страница 120: ...Low Order 0 65535 1 F1 0 44761 4760 1234 Preset Overload Trips 0 65535 1 F1 0 44762 4761 1235 Preset Thermistor Trips 0 65535 1 F1 0 44763 4762 1236 Preset Ground Fault Trips 0 65535 1 F1 0 44764 4763 1237 Preset Single Phase Trips 0 65535 1 F1 0 44765 4764 1238 Preset Acceleration Trips 0 65535 1 F1 0 44766 4765 1239 Preset Undercurrent Trips 0 65535 1 F1 0 44767 4766 123A Preset Under Power Trip...

Страница 121: ...op 16 Two Wire Stop 17 Stop A Interlock Stop 18 Stop B Interlock Stop F6 Unsigned Integer Command Mode FFFF 0 Manual 1 Auto 2 Manual Inhibit 3 Manual and Auto 4 Hard Wire Auto F7 Unsigned Integer Drive Status FFFF 0 Unavailable 1 Available Auto 2 Available Manual 3 Available Manual Auto 4 Running 5 ESD TRIP or STOP Mod F8 Unsigned Integer Motor Mode FFFF 0 Starting 1 Stopped 2 Running F9 Unsigned ...

Страница 122: ...nteger VT Connection Type FFFF 0 Line A B 1 Phase A N F16 Unsigned Integer Manual Auto FFFF 0 Manual 1 Auto Table 6 13 DATA FORMATS Sheet 3 of 15 CODE DESCRIPTION BITMASK F17 Interlock Input function FFFF 0 Not Used 1 Process Interlock A 2 Process Interlock B 3 Process Interlock C 4 Process Interlock D 5 Plant Interlock 6 Lockout Reset 7 Setpoint Access 8 Auto Permissive 9 Auto Start A 10 Auto Sta...

Страница 123: ...l Capacity Alarm 30 Motor Available 31 Motor Available Auto 32 Overload 33 Soft Starter Bypass F21 Signed Integer FFFF Table 6 13 DATA FORMATS Sheet 5 of 15 CODE DESCRIPTION BITMASK F22 Command FFFF 1 Reset 2 Lockout Reset 3 Stop 4 Start A 5 Start B 6 AUX Relay 1 On 7 AUX Relay 1 Off 8 Clear Maintenance Timers 9 Clear Maintenance Counters 10 Clear Energy Data 11 Display Message 12 Simulate Keypres...

Страница 124: ... 9600 4 19200 Table 6 13 DATA FORMATS Sheet 7 of 15 CODE DESCRIPTION BITMASK F26 Unsigned Integer Relay LED Test Data FFFF 0 Normal operation mode 1 Contactor A On 2 Contactor B On 3 AUX Relay 1 On 4 AUX Relay 2 On 5 All Relays On 6 Running LED On 7 Stopped LED On 8 Tripped LED On 9 Alarm LED On 10 Fault LED On 11 Auto LED On 12 Manual LED On 13 All LEDs On 14 Flash Voltage On F27 Unsigned Integer...

Страница 125: ... 6 0020 Interlock Input 7 0040 Interlock Input 8 0080 Interlock Input 9 0100 Interlock Input 10 0200 Stop 0400 Start A 0800 Start B 1000 Local Isolator N O 2000 Contactor A N O 4000 Contactor B N O 8000 Table 6 13 DATA FORMATS Sheet 9 of 15 CODE DESCRIPTION BITMASK F101 LED Status Flags 1 FFFF Running 0001 Stopped 0002 Tripped 0004 Alarm 0008 Fault 0010 Test 1 0020 Test 2 0040 Not Used 0080 Not Us...

Страница 126: ... Fault Alarm 1000 Thermal Capacity Alarm 2000 UnderVoltage Alarm 4000 Overvoltage Alarm 8000 Table 6 13 DATA FORMATS Sheet 11 of 15 CODE DESCRIPTION BITMASK F105 Alarm Status Flags 2 FFFF Open Control Circuit 0001 Welded Contactor 0002 Inverter Tripped 0004 Drive Failed to Start 0008 Drive Failed to Stop 0010 Incomplete Start 0020 Duty Motor Trip Alarm 0040 Start Block Alarm 0080 Serial Communicat...

Страница 127: ...0200 Process Interlock H 0400 Process Interlock I 0800 Process Interlock J 1000 Open Control Circuit 2000 Undervoltage 4000 Overvoltage 8000 Table 6 13 DATA FORMATS Sheet 13 of 15 CODE DESCRIPTION BITMASK F109 Start Flags FFFF Wye Delta start complete 0001 Two Wire Stop requested 0002 Serial Permissive Starts Blkd if set 0004 Not Used 0008 Not Used 0010 Not Used 0020 Not Used 0040 Not Used 0080 No...

Страница 128: ...t Used 4000 Not Used 8000 F112 Internal Fault Error Code FFFF ADC Reference Out of Range 0001 HC705 Processor not Responding 0002 Switch Input Circuit Fault 0004 HC705 processor MOR byte not programmed 0008 Not Used 0010 Not Used 0020 Not Used 0040 Not Used 0080 Not Used 0100 Not Used 0200 Not Used 0400 Not Used 0800 Not Used 1000 Not Used 2000 Not Used 4000 Not Used 8000 F113 Unsigned Integer Aut...

Страница 129: ...except the phase and ground fault CTs can be checked by applying input signals to the MM2 from a secondary injection test set as described in this chapter 7 1 2 SECONDARY INJECTION TESTING A simple single phase secondary injection test circuit is shown below Tests should be performed to verify correct operation and wiring All functions are firmware driven and this testing is required only to verif...

Страница 130: ...7 2 MM2 Motor Manager 2 GE Power Management 7 1 INJECTION TESTING 7 TESTING 7 Figure 7 1 SECONDARY INJECTION TEST SETUP ...

Страница 131: ...ay will display a current value of displayed current actual injected current 100 5 10 100 5 200 A This represents 4 times the phase FULL LOAD CURRENT setpoint Therefore based on a 400 over load and curve 4 Contactor A will change state 23 seconds after the overload is first applied When this occurs the Running LED turns off and the Tripped and Stopped LEDs are lit After the trip has occurred use t...

Страница 132: ...EXAMPLE 2 Find the percentage of unbalance given the following information We have Iav given by Since Iav Ifl the following formula is used Since unbalance is greater than 30 a SINGLE PHASE trip will occur if this condition persists for longer than 5 seconds and the AUX Relay 2 will energize VALUE PRIMARY SECONDARY 5A Ia 73 A 3 65 A Ib 100 A 5 A Ic 100 A 5 A VALUE PRIMARY SECONDARY 5A Ia 100 A 5 A...

Страница 133: ...he 40 FLC alarm setting Change the display back to GROUND CURRENT and continue increasing injected secondary current When the measured Ground Current reaches 80 A a Ground Fault Trip occurs This trip causes the MM2 to change its indicators and output relay status The Running LED turns off the Tripped and Stopped LEDs turn on and the Contactor A relay de energizes The AUX Relay 1 remains energized ...

Страница 134: ... zero begin increasing resistance until a thermistor trip occurs Note that the Tripped and Stopped LEDs are lit the contactor A relay has de energized the Running LED is off and a THERMISTOR TRIP message is displayed Use an ohmmeter to verify that the thermistor resistance value agrees with the THERMISTOR HOT setpoint value Decrease the thermistor resistance below the THERMISTOR HOT value but not ...

Страница 135: ...s environment This chapter provides the necessary information to install MM2PC upgrade the relay firmware and write edit setpoint files The MM2PC software can run without a MM2 connected to the computer In this case settings may be saved to a file for future use If an MM2 is connected to a PC and communications are enabled the MM2 can be programmed from the setpoint screens In addition measured va...

Страница 136: ...low it to autostart alternately load the index htm file into your web browser OR 2 Go to the GE Power Management website at www GEindustrial com pm preferred method 3 Select the Software menu item then select MM2 Motor Manager 2 from the list of products 4 Verify that the software version shown on this page is identical to the installed version as shown below Select the Help About MM2PC menu item ...

Страница 137: ...date printed on the CD As such the installation from the CD and the web are identical However to ensure the newest version of MM2PC installation from the web is preferred Figure 8 1 GE POWER MANAGEMENT WELCOME SCREEN 2 Select the Index by Product Name item from the main page then select MM2 Motor Manager 2 from the product list to open the MM2 product page 3 Click the Software menu item from the P...

Страница 138: ...up While in the File mode w default settings MM2PC waits for the user to click the ON button before attempting communications this mode is preferred when the MM2PC is being used without an attached MM3 Startup Mode Set to match the type of RS232 RS485 converter If connected through the MM2 front panel RS232 port select No Control Type If connected through a GE Power Management F485 converter unit ...

Страница 139: ...5 pin male con nectors Ensure that the RS232 485 converter box is connected to the correct computer port 5 Click on the ON button to communicate with relay MM2PC will notify when it has established communication link with the relay If it fails to communicate check the following review the settings above to ensure they match the relay settings the COM Port setting matches the COM Port being used th...

Страница 140: ...control setpoints Change process related setpoints Change protection related setpoints Change system setup setpoints View motor process and trip data View dynamic trending graphs View counters and timers View switch inputs status View status of all MM2 input s and outputs View MM2 produc t information Set computer communications parameters Upgrade MM2 firmware Troubleshoot memory map locations Sto...

Страница 141: ...r when an MM2 is not communicating or connected to the computer 1 Start MM2PC and select File New to enter setpoint values for the specific off line MM2 If the software is communicating with the MM2 communications will be halted during the new file cre ation The window shown below appears which allows the user to configure MM2 for the options ordered with a particular MM2 unit MM2PC needs to know ...

Страница 142: ...grade Firmware menu item The opens the Firmware Upload window shown below 2 Locate the firmware file to load into the relay Filenames for released MM2 firmware have the fol lowing format 3 MM2PC automatically lists all filenames beginning with 71 Select the appropriate file and click Start Upload to continue 4 MM2PC will prompt with a final warning This will be the last chance to cancel the firmwa...

Страница 143: ...ws 1 Select the File Open menu item 2 MM2PC launches the Open window listing all filenames in the MM2 default directory with the extension MM2 Select a setpoint file and click OK to continue 3 Select the File Send Info To Relay menu item MM2PC will prompt to confirm or cancel the setpoint file load Click Yes to download the setpoints to the MM2 or No to cancel ...

Страница 144: ...re inside the setpoint box to display a numerical keypad showing the OLD value RANGE and INCREMENT of the setpoint value being modified 4 For setpoints requiring a non numeric value in the example above OVERLOAD CURVE NUMBER click anywhere inside the setpoint box to open a drop down menu An appropriate setpoint may then be selected 5 After setpoint modifications are complete click the OK to save t...

Страница 145: ...relevant monitored values These values are continuously updated while the window is open 2 The MM2PC trending feature can be used to plot measured parameters The following values can be trended Phase currents Ia Ib Ic ground current Ignd motor load thermal capacity current unbal ance analog input voltage and power 3 Select the Actual Trending menu item to open the trending window see figure on fol...

Страница 146: ...write the graph data to a file in a standard spread sheet format Ensure that the Write Trended Data to File box is checked and that the Sample Rate is at a minimum of 5 seconds Select the file capacity limit to the amount of memory avail able for trended data Figure 8 4 TRENDING VIEW CHECK BOXES Toggle the Check Box to view the desired graphs BUTTONS Print Setup to edit Graph Attributes Zoom In Zo...

Страница 147: ...icate with these settings and change them one at a time After each change the master must be changed to match the communication setting change in the MM2 8 5 2 SETTING THE BAUD RATE AND PARITY Assume your system communicates at 19200 baud and even parity 1 Use MM2PC to establish communications with the chassis mount MM2 at 9600 baud and no parity 2 Select the Communication Set Slave Address menu i...

Страница 148: ...nd click ON in the Communication Control section The status should now read Program is now talking to Multilin device 9 Select OK to exit the Communication Computer window and select the Communication Trou bleshooting menu item 10 Enter 1147 address of the parity setpoint in the address box and 1 1 even in the values box in the Memory Map Insertion section Refer to Section 6 5 MEMORY MAP on page 6...

Страница 149: ...RT 1 Start command received by the MM2 serial switch input or faceplate 2 Close and maintain Contactor A output relay the motor is now across the line STOP TRIP 1 Stop command received or trip occurs 2 Open Contactor A output relay the motor is now off line When the power to the MM2 is interrupted the contactor A output relay de energizes causing it to open and stop the motor The MM2 can only be w...

Страница 150: ...9 2 MM2 Motor Manager 2 GE Power Management 9 1 FV NON REVERSING STARTER 9 STARTER TYPES 9 Figure 9 2 FV NON REVERSING STARTER WIRING DIAGRAM ...

Страница 151: ...e R coil picks up and is sealed in by CR2 The TR2 timing relay is also picked up The motor will reverse direction provided TR1 has timed out and closed the circuit Figure 9 3 FULL VOLTAGE REVERSING STARTER To program the MM2 for full voltage reversing starter set S1 CONFIGURATION STARTER STARTER TYPE FV REVERSING S1 CONFIGURATION STARTER TRANSFER TIME 1 to 125 seconds The TRANSFER TIME setpoint ap...

Страница 152: ...ontactor B output relay the motor is now across the line in the reverse direction 9 2 3 NOTES All output relays de energize when the MM2 power is interrupted causing them to open and stop the motor The MM2 can only be wired for fail safe operation If used the VT input must have a separate PT so that the current and voltage inputs remain in phase regardless of which direction the motor is running S...

Страница 153: ...GE Power Management MM2 Motor Manager 2 9 5 9 STARTER TYPES 9 2 FV REVERSING STARTER 9 Figure 9 4 FV REVERSING STARTER ...

Страница 154: ...Figure 9 5 ELEMENTARY TWO SPEED MAGNETIC STARTER To program the MM2 for two speed starter set S1 CONFIGURATION STARTER STARTER TYPE TWO SPEED S1 CONFIGURATION STARTER TRANSFER TIME 1 to 125 sec S1 CONFIGURATION STARTER HIGH SPEED START BLOCK ENABLE or DISABLE The TRANSFER TIME setpoint appears when the STARTER TYPE has been selected as TWO SPEED This delay may be required when the motor is switche...

Страница 155: ...d is received serial switch input or faceplate 2 Open contactor B output relay 3 Wait for the programmed transfer time 4 Close and maintain contactor A STOP TRIP sequence 1 Stop command received by the MM2 or a trip occurs 2 Open the currently closed contactor output relay There are many different configurations for the TWO SPEED starter type Three of the more popular ones are illustrated here two...

Страница 156: ...9 8 MM2 Motor Manager 2 GE Power Management 9 3 TWO SPEED STARTER 9 STARTER TYPES 9 Figure 9 6 TWO SPEED ONE WINDING CONSTANT OR VARIABLE TORQUE STARTER ...

Страница 157: ...GE Power Management MM2 Motor Manager 2 9 9 9 STARTER TYPES 9 3 TWO SPEED STARTER 9 Figure 9 7 TWO SPEED ONE WINDING CONSTANT HORSEPOWER STARTER ...

Страница 158: ...9 10 MM2 Motor Manager 2 GE Power Management 9 3 TWO SPEED STARTER 9 STARTER TYPES 9 Figure 9 8 TWO SPEED TWO WINDING STARTER ...

Страница 159: ...ng relay TR is also picked up and closes after a set time period shorting out the resistors in the motor windings Pressing the stop button drops out the S and R contactors and the motor stops Figure 9 9 ELEMENTARY SLIP RING MAGNETIC STARTER To program the MM2 for slip ring starter set S1 CONFIGURATION STARTER STARTER TYPE SLIP RING S1 CONFIGUARATION STAGE ONE SHORTING TIME 1 to 125 sec The STAGE O...

Страница 160: ...and received by the MM2 or a trip occurs 2 Open Contactor A and B output relays When the power to the MM2 is interrupted all output relays on the MM2 will de energize causing them to open and stop the motor The MM2 can only be wired for fail safe operation If feedback is not received from the S or R contacts to the Contactor A or B Status N O inputs within one second of closing Contactor A or B ou...

Страница 161: ...GE Power Management MM2 Motor Manager 2 9 13 9 STARTER TYPES 9 4 SLIP RING STARTER 9 Figure 9 10 SLIP RING STARTER ...

Страница 162: ... providing full voltage to the motor Pressing the stop button drops out the S and R contactors and the motor stops Figure 9 11 ELEMENTARY PRIMARY RESISTANCE MAGNETIC STARTER To program the MM2 for primary resistance magnetic starter set S1 CONFIGURATION STARTER STARTER TYPE SLIP RING S1 CONFIGURATION STARTER STAGE ONE SHORTING TIME 1 to 125 sec This STAGE ONE SHORTING TIME setpoint appears when th...

Страница 163: ... the same logic as the slip ring starter When the power to the MM2 is interrupted all output relays on the MM2 will de energize causing them to open and stop the motor The MM2 can only be wired for fail safe operation If feedback is not received from the S or R contacts to the Contactor A or B Status N O inputs within one second of closing Contactor A or B output relays an OPEN CONTROL CIRCUIT ala...

Страница 164: ...9 16 MM2 Motor Manager 2 GE Power Management 9 5 PRIMARY RESISTANCE STARTER 9 STARTER TYPES 9 Figure 9 12 PRIMARY RESISTANCE STARTER ...

Страница 165: ...ens the inverter ramps down the motor to a stop Figure 9 13 ELEMENTARY INVERTER STARTER To program the MM2 for inverter starter set S1 CONFIGURATION STARTER STARTER TYPE INVERTER S1 CONFIGURATION STARTER RAMP UP TIME 1 to 125 sec S1 CONFIGURATION STARTER RAMP DOWN TIME 1 to 125 sec The RAMP UP TIME and RAMP DOWN TIME setpoints appear when the STARTER TYPE is selected as INVERTER See the next secti...

Страница 166: ...atus N O to open 4 When Contactor B Status N O reads open open Contactor A output relay If feedback is not received from the 1M contact to the Contactor A Status N O input within 1 second of closing Contactor A output relay an OPEN CONTROL CIRCUIT alarm occurs This causes the Contactor A and B output relays to open If Contactor B Status N O does not receive feedback from the up to speed contact on...

Страница 167: ...GE Power Management MM2 Motor Manager 2 9 19 9 STARTER TYPES 9 6 INVERTER STARTER 9 Figure 9 14 INVERTER VARIABLE SPEED DRIVE STARTER ...

Страница 168: ...elta for two winding or wye for three winding autotransformers The 2S contacts bring the autotransformer on line providing reduced volt age to the motor When the timing relay TR times out 1S and 2S drop out and then contactor coil R picks up and full voltage is applied to the motor Figure 9 15 ELEMENTARY AUTOTRANSFORMER OPEN TRANSITION STARTER To program the MM2 for autotransformer open transition...

Страница 169: ...e and maintain Contactor A output relay close 1S contactor 3 Wait 20 ms close and maintain Aux 1 output relay power is applied to the autotransformer 4 Wait for the time set in the CHANGE OVER TIME setpoint 5 Open Contactor A and Aux output relays 6 Wait 20 ms 7 Close and maintain Contactor B output relay START CONTACTOR SEQUENCE set to 2S 1S sequence 1 Start command received by the MM2 serial swi...

Страница 170: ...9 22 MM2 Motor Manager 2 GE Power Management 9 7 AUTOTRANSFORMER OPEN TRANSITION STARTER 9 STARTER TYPES 9 Figure 9 16 AUTOTRANSFORMER OPEN TRANSITION TWO WINDING ...

Страница 171: ...GE Power Management MM2 Motor Manager 2 9 23 9 STARTER TYPES 9 7 AUTOTRANSFORMER OPEN TRANSITION STARTER 9 Figure 9 17 AUTOTRANSFORMER OPEN TRANSITION THREE WINDING ...

Страница 172: ...tacts bring the autotransformer on line providing reduced voltage to the motor When timing relay TR times out the 1S coil drops out and then R is picked up When the R contacts pick up then 2S is dropped out The motor now has full voltage applied Figure 9 18 ELEMENTARY AUTOTRANSFORMER CLOSED TRANSITION STARTER To program the MM2 for autotransformer closed transition starter set S1 CONFIGURATION STA...

Страница 173: ...ain Contactor A output relay close 1S contactor 3 Wait 20 ms close and maintain Aux 1 relay power is applied to the autotransformer 4 Wait for the time set in the CHANGE OVER TIME setpoint 5 Open contactor A output relay and wait 20 ms 6 Close and maintain Contactor B output relay 7 Wait 20 ms 8 Open Aux 1 output relay START CONTACTOR SEQUENCE set to 2S 1S sequence 1 Start command received by the ...

Страница 174: ...9 26 MM2 Motor Manager 2 GE Power Management 9 8 AUTOTRANSFORMER CLOSED TRANSITION STARTER 9 STARTER TYPES 9 Figure 9 19 AUTOTRANSFORMER CLOSED TRANSITION TWO WINDING ...

Страница 175: ...GE Power Management MM2 Motor Manager 2 9 27 9 STARTER TYPES 9 8 AUTOTRANSFORMER CLOSED TRANSITION STARTER 9 Figure 9 20 AUTOTRANSFORMER CLOSED TRANSITION THREE WINDING ...

Страница 176: ...TART sequence 1 Start command received by the MM2 serial switch input or faceplate 2 Close and maintain Contactor A output relay 3 Wait for the time set in the STAGE ONE SHORTING TIME DELAY setpoint 4 Close and maintain Contactor B output relay STOP TRIP sequence 1 Stop command is received by the MM2 or a trip occurs 2 Open contactors A and B output relays If feedback is not received from the Cont...

Страница 177: ...FIGURATION STARTER CHANGE OVER TIME 1 to 125 sec S3 PROCESS PROGRAMMABLE INPUTS INTERLOCK INPUT 9 WYE DELTA 1M CONTACT S4 CONTROL AUX RELAY 1 CONFIG AUX RELAY 1 FUNCTION WYE DELTA CLS TRANS The CHANGE OVER CURRENT setpoint appears when STARTER TYPE is selected as WYE DELTA OPN TRANS or WYE DELTA CLS TRANS Before the CHANGE OVER CURRENT setpoint comes into effect on a Wye delta start a minimum of 2...

Страница 178: ...M2 can only be wired for fail safe operation If feedback is not received from the Contactor A Status N O input within one second of closing Con tactor A relay an OPEN CONTROL CIRCUIT alarm will occur This will cause All starter output relays to open If feedback remains at the Contactor A Status N O input more than one second after opening the Contactor A output relay a WELDED CONTACTOR alarm will ...

Страница 179: ...GE Power Management MM2 Motor Manager 2 9 31 9 STARTER TYPES 9 10 WYE DELTA OPEN TRANSITION STARTER 9 Figure 9 21 WYE DELTA OPEN TRANSITION STARTER ...

Страница 180: ...TARTER TYPE WYE DELTA CLS TRANS S1 CONFIGURATION STARTER CHANGE OVER CURRENT 1 0 to 5 0 x FLC S1 CONFIGURATION STARTER CHANGE OVER TIME 1 to 125 sec S3 PROCESS PROGRAMMABLE INPUTS INTERLOCK INPUT 10 WYE DELTA 2S CONTACT S3 PROCESS PROGRAMMABLE INPUTS INTERLOCK INPUT 9 WYE DELTA 1M CONTACT S4 CONTROL AUX RELAY 1 CONFIG AUX RELAY 1 FUNCTION WYE DELTA CLS TRANS The CHANGE OVER CURRENT setpoint appear...

Страница 181: ... delta contactor which connects the motor in the delta configuration The normally closed auxiliary contacts on the 2M contactor drop out the 2S resistor contactor STOP TRIP sequence 1 Stop command received by the MM2 or a trip occurs 2 Open 1M and 2M contactors When the power to the MM2 is interrupted all output relays on the MM2 will de energize causing them to open and stop the motor The MM2 can...

Страница 182: ...9 34 MM2 Motor Manager 2 GE Power Management 9 11 WYE DELTA CLOSED TRANSITION STARTER 9 STARTER TYPES 9 Figure 9 23 WYE DELTA CLOSED TRANSITION STARTER ...

Страница 183: ... PROGRAMMABLE INPUTS INTERLOCK INPUT 1 DUTY SELECT MAN AUTO S3 PROCESS PROGRAMMABLE INPUTS INTERLOCK INPUT 2 MOTOR SELECTOR A B 9 12 2 MM2 SEQUENCES START manual sequence 1 Duty Select MAN AUTO open 2 Motor Selector A B open 3 Start A command received by the MM2 4 Close Contactor A relay Motor A is now running 5 Stop command 6 Motor Selector A B closed 7 Start A command received by the MM2 8 Close...

Страница 184: ...alarm will occur This will open the active output relay which will stop the motor If feedback remains at Contactor A Status N O or Contactor B Status N O inputs for more than one second after opening the corresponding output relay a WELDED CONTACTOR alarm will occur The Start A input and key are used to start motors A and B The Start B input and faceplate key have no effect Serial Control starts o...

Страница 185: ...GE Power Management MM2 Motor Manager 2 9 37 9 STARTER TYPES 9 12 DUTY STANDBY STARTER 9 Figure 9 24 DUTY STANDBY STARTER ...

Страница 186: ...P TRIP 1 Stop command is received or a trip occurs serial switch input or faceplate 2 Open contactor B output relay 3 Open Bypass contact AUX relay optional 4 Wait for the RAMP DOWN TIME for Contactor B Status N O to open 5 When Contactor B Status N O reads open open Contactor A output relay If feedback is not received from the 1M contact to the Contactor A Status N O input within one sec ond of c...

Страница 187: ...GE Power Management MM2 Motor Manager 2 9 39 9 STARTER TYPES 9 13 SOFT STARTER 9 Figure 9 25 SOFT STARTER ...

Страница 188: ...9 40 MM2 Motor Manager 2 GE Power Management 9 13 SOFT STARTER 9 STARTER TYPES 9 ...

Страница 189: ...LOCK INPUT 1 setpoint was chosen to match the wiring diagram provided Any of the available Interlocks 1 through 10 could be programmed for TWO WIRE CONTROL 10 1 2 CONTROL OPERATION START Start command received switch input and maintained STOP Start command removed Pressing the STOP key causes a latched trip The motor cannot be restarted until the RESET key is pressed Terminal 11 Stop input must be...

Страница 190: ...10 2 MM2 Motor Manager 2 GE Power Management 10 1 TWO WIRE CONTROL 10 CONTROL WIRE APPLICATIONS 10 Figure 10 1 TWO WIRE CONTROL ...

Страница 191: ...ROL OPERATION HAND In the hand position the motor will run Pressing the STOP key causes a latched trip The motor cannot be restarted until the RESET key is pressed OFF In the off position the motor will stop AUTO In the auto position the motor is available to start When the PLC contact closes the motor runs When the PLC contact opens the motor stops Pressing the STOP key causes a latched trip The ...

Страница 192: ...10 4 MM2 Motor Manager 2 GE Power Management 10 2 HAND OFF AUTO CONFIGURATION 10 CONTROL WIRE APPLICATIONS 10 Figure 10 2 HOA TWO WIRE HAND TWO WIRE AUTO ...

Страница 193: ...s pressed the motor will run When the STOP button is pressed the motor will stop Pressing the STOP key causes a latched trip The motor cannot be restarted until the RESET key is pressed OFF In the off position the motor will stop AUTO In the auto position the motor is available to start When the PLC contact closes the motor runs When the PLC contact opens the motor stops When the faceplate stop ke...

Страница 194: ...10 6 MM2 Motor Manager 2 GE Power Management 10 2 HAND OFF AUTO CONFIGURATION 10 CONTROL WIRE APPLICATIONS 10 Figure 10 3 HOA THREE WIRE HAND TWO WIRE AUTO ...

Страница 195: ...lt settings 10 2 6 CONTROL OPERATION HAND In the hand position the motor is available to start When the START button is pressed the motor runs When the STOP button is pressed the motor stops OFF In the off position the motor will stop AUTO In the auto position the motor is available to start When the PLC contact is pulsed closed the motor runs When the PLC contact is pulsed open the motor stops Wh...

Страница 196: ...10 8 MM2 Motor Manager 2 GE Power Management 10 2 HAND OFF AUTO CONFIGURATION 10 CONTROL WIRE APPLICATIONS 10 Figure 10 4 HOA THREE WIRE HAND THREE WIRE AUTO ...

Страница 197: ...ailable to start When the START button is pressed the motor runs When the STOP button is pressed the motor stops and a latched trip is generated The motor cannot be restarted until reset is pressed When the faceplate stop key is pressed it causes a latched trip The motor cannot be restarted until reset is pressed AUTO In the auto position the motor is available to start When the PLC contact closes...

Страница 198: ...10 10 MM2 Motor Manager 2 GE Power Management 10 3 HAND AUTO CONFIGURATION 10 CONTROL WIRE APPLICATIONS 10 Figure 10 5 HA THREE WIRE HAND TWO WIRE AUTO ...

Страница 199: ...UTS Phase CT Primary Amps 100 A Hi Speed Phase CT Primary A 100 A Ground Fault CT Inputs 50 0 025 CBCT Ground CT Primary Amps 100 A 50 0 025 Hi Res Display Disable VT Primary Voltage Off VT Connection Type Phase A N VT Secondary Voltage 120 V Nominal Frequency 60 Hz THERMISTOR Cold Resistance 0 1 KΩ Hot Resistance 5 0 KΩ Thermistor Trip Disable Thermistor Alarm Disable FAULT MODE Internal Fault Tr...

Страница 200: ...ge Alarm Delay 10 sec Undervoltage Trip Level Off Undervoltage Trip Delay 10 sec Overvoltage Alarm Level Off Overvoltage Alarm Delay 10 sec Table A 1 MM2 COMMISSIONING Sheet 3 of 8 DESCRIPTION DEFAULT VALUE Overvoltage Trip Level Off Overvoltage Trip Delay 10 sec S3 PROCESS PROGRAMMABLE INPUTS Interlock Input 1 Not Used Startup Override Delay 1 0 sec Running Override Delay 1 0 sec Operation 1 Stop...

Страница 201: ...uto Permissive Indication Manual Table A 1 MM2 COMMISSIONING Sheet 5 of 8 DESCRIPTION DEFAULT VALUE Auto Mode Serial Serial Permissive Disable Start Block Alarm Disable Disable Cmd Mode Change Disable INTERLOCK NAMES Process Interlock A Name Interlock A Process Interlock B Name Interlock B Process Interlock C Name Interlock C Process Interlock D Name Interlock D Process Interlock E Name Interlock ...

Страница 202: ...n Motor Start Delay 5 sec De energize on Motor Stop Dly 5 sec Aux 2 Operation Non failsafe Delay Contactor G F Trip By 0 ms S5 MONITORING PLANT CONDITION Motor Greasing Interval Off Contactor Inspection Off Max Motor Stopped Time Off Table A 1 MM2 COMMISSIONING Sheet 7 of 8 DESCRIPTION DEFAULT VALUE PRESET COUNTERS AND TIMERS Preset Running Hours 0 Preset Stopped Hours 0 Preset Number Of Starts 0 ...

Страница 203: ...lly wound into stator windings of the motor when manufactured and can be Positive Temperature Coefficient PTC of Negative Temperature Coefficient NTC After wiring the MM2 into the control circuit it remains UNAVAILABLE for starts What does this mean Three conditions can cause the MM2 to remain UNAVAILABLE for starts The MM2 has tripped on a trip condition The STOP switch input terminal 11 is not e...

Страница 204: ...configured to warn the user or shut down the motor Can the MM2 be used on medium voltage motors No The MM2 was designed specifically for the low voltage market 600 V or less The pro tection features offered in the MM2 are typically not advanced enough for larger more expensive motors The power measuring will only accommodate 600 V systems Can the control transformer in the MCC be used for the VT i...

Страница 205: ...ypically used on high resistance grounded systems where the fault currents are limited to less than 200 A The alarm and trip levels on these systems are usually between 0 5 A and 15 0 A This equates to a secondary current of 0 25 mA to 7 5 mA Due to the very low levels that must be monitored by the MM2 any noise picked up by these secondary wires must be kept to a minimum c RS485 COMMUNICATIONS PO...

Страница 206: ... supply the circuitry into the MM2 switch inputs providing that the external source is in phase with the control voltage of the MM2 The MM2 switches the inputs on and off internally to minimize power consumption at a frequency determined by the control voltage If the external source is not in phase with the control voltage to the MM2 the timing will be off which could cause errors when reading the...

Страница 207: ...ne peak to another Figure D 1 CURRENT VOLTAGE PHASE DIFFERENCE Thus as shown in the second figure below if voltage is applied at a zero crossing current will make the transition from minimum peak to maximum peak Current of course cannot instantaneously be at its minimum value it must begin at zero Thus it rises from zero to a value that is equal to 2 times the peak value 2 Imax Depending on when t...

Страница 208: ...E PHASE CURRENT When is this asymmetrical current a concern When setting instantaneous relays care must be taken to ensure that the instantaneous element does not operate during normal operating conditions such as a motor start Symptoms of an instanta neous element that is set too sensitive are nuisance or intermittent tripping of the relay during ener gizing of the system Furthermore CTs do not r...

Страница 209: ...ed by one of two methods The rating as per ANSI IEEE C57 13 1 for relaying class CTs may be given in a format such as these 2 5C100 10T200 T1OO 10C50 or C200 The number preceding the letter represents the maximum ratio correction no number in this position implies that the CT accuracy remains within a 10 ratio correction from 0 to 20 times rating The letter is an indication of the CT type A C for ...

Страница 210: ... the equation as far as limiting the current flow This is deter mined by the maximum voltage that may be developed by the CT secondary divided by the entire secondary resistance CT secondary resistance included The easiest method of evaluating a CT is by the Excitation Curves Method as illustrated by the curves shown below The Y axis represents secondary exciting voltage the X axis represents the ...

Страница 211: ...0 V for example could drive a total burden of Evaluation of CT performance is best determined from the excitation curves They present the com plete story and eliminate any guess work Most CT manufacturers will provide excitation curves upon request Figure E 2 EXCITATION CURVES METHOD 100 V 20 5 A 1 Ω ...

Страница 212: ...E 4 MM2 Motor Manager 2 GE Power Management E 1 CT ISOLATION APPENDIXE E ...

Страница 213: ...ER9 8 FIGURE 9 7 TWO SPEED ONE WINDING CONSTANT HORSEPOWER STARTER 9 9 FIGURE 9 8 TWO SPEED TWO WINDING STARTER 9 10 FIGURE 9 9 ELEMENTARY SLIP RING MAGNETIC STARTER 9 11 FIGURE 9 10 SLIP RING STARTER 9 13 FIGURE 9 11 ELEMENTARY PRIMARY RESISTANCE MAGNETIC STARTER 9 14 FIGURE 9 12 PRIMARY RESISTANCE STARTER 9 16 FIGURE 9 13 ELEMENTARY INVERTER STARTER 9 17 FIGURE 9 14 INVERTER VARIABLE SPEED DRIVE...

Страница 214: ...6 2 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 03H 6 6 TABLE 6 3 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 04H 6 7 TABLE 6 4 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 05H 6 8 TABLE 6 5 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 06H 6 9 TABLE 6 6 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 07H 6 10 TABLE 6 7 MASTER SLAVE PACKET FORMAT FOR FUNCTION CODE 08H 6 11 TABLE 6 8 MASTER SLAVE PAC...

Страница 215: ... 1997 Electromagnetic Compatibility Requirements Part 2 Industrial Environment IEC100 4 3 EN 61000 4 3 Immunity to Radiated RF EN 61000 4 6 Immunity to Conducted RF Manufacturer s Name General Electric Power Management Inc Manufacturer s Address 215 Anderson Ave Markham Ontario Canada L6E 1B3 Manufacturer s Representative in the EU Christina Bataller Mauleon GE Power Management Avenida Pinoa 10 48...

Страница 216: ...defective and it is returned with all transportation charges prepaid to an authorized service centre or the factory Repairs or replacement under warranty will be made without charge Warranty shall not apply to any relay which has been subject to misuse negligence accident incorrect installation or use not in accordance with instructions nor any unit that has been altered outside a GE Power Managem...

Страница 217: ...UNICATIONS error checking 6 2 failure setpoints 4 6 MM2PC 8 13 Modbus 6 1 RS485 C 1 COMMUNICATIONS ADDRESS 4 3 CONTACTOR INSPECTION 4 32 CONTACTOR SEQUENCE 4 5 CONTACTOR STATUS 2 8 CONTACTOR STATUS FEEDBACK C 2 CONTROL SCHEMES three wire hand three wire auto 10 8 three wire hand two wire auto 10 6 two wire 10 10 two wire hand two wire auto 10 3 10 4 CRC 16 ALGORITHM 6 3 CT INPUTS 2 5 CT ISOLATION ...

Страница 218: ... 8 9 8 10 MOD NUMBER 4 34 MODBUS 1 1 data formats 6 41 function code 01 6 5 function code 03 6 6 function code 04 6 7 function code 05 6 8 function code 06 6 9 function code 07 6 10 function code 08 6 11 function code 10 6 12 memory map 6 19 supported functions 6 4 MODEL NUMBERS 1 2 MOTOR GREASING INTERVAL 4 32 MOTOR LOAD 5 3 MOTOR NAME 4 3 MOTOR RATING 4 3 MOTOR START THREE PHASE CURRENT D 2 MOTO...

Страница 219: ...elta 9 29 9 31 9 32 9 34 STARTS PER HOUR 4 5 STARTUP OVERRIDE 4 20 STOP 2 7 STOP KEY 2 7 STOP SWITCH INPUT C 2 STOPPED MOTOR COOL TIME 4 15 STOPPED TIME 5 11 SUPPLY VOLTAGE 2 5 4 3 SWITCH COMMON 2 8 SWITCH INPUTS 2 6 C 2 SYSTEM FREQUENCY 4 5 SYSTEM SUPPLY 4 3 T TECHNICAL SPECIFICATIONS 1 4 TESTING functional 7 3 primary injection 7 1 secondary injection 7 2 THERMAL CAPACITY ALARM 4 16 THERMAL CAPA...

Страница 220: ...iv MM2 Motor Manager 2 GE Power Management INDEX ...

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