1-2
MM2 Motor Manager 2
GE Power Management
1.2 ORDERING
1 INTRODUCTION
1
1.2 ORDERING
1.2.1 ORDER CODES
This instruction manual describes the features of a MM2 with all options included.
All models contain three phase overload protection (49/51), single phase, 4 control inputs
(start, stop, local isolator, contactor A status), plus two programmable inputs and one output
relay. The control voltage can be changed in the field.
a) MOUNTING
Chassis Mount: “Black box” version of the MM2 mounted inside the MCC starter.
Panel Mount with Display: Mounted on a panel with a 20
×
2 display, LEDs, and keypad. This fea-
ture is only available with both options
b) OPTION 1
Process Control and Process Inputs: Includes 10 programmable switch inputs, 2 extra electrome-
chanical relays (Aux1 and Aux2), and a 4 to 20 mA input.
Undervoltage Auto-Restart: Programmable undervoltage 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 protection.
Power (kW): Includes a single VT input allowing for calculation of kW and kWhrs, as well as under-
power alarm.
Thermistor: Includes a thermistor input with alarm or trip settings for NTC and PTC type thermistors.
Table 1–1: SELECTION GUIDE
MM2
g
g
g
g
Base Unit
MM2
|
|
|
|
Product Family
Mounting
PD
|
|
|
Panel Mount with Display (only available with both options)
C
|
|
|
Chassis Mount (Black Box)
Option 1
1
|
|
Option 1: Process control, 10 process inputs, undervoltage
autorestart, diagnostics
Option 2
2 |
|
Option 1: Enhanced protection, power (kW), thermistor, 2nd
contactor control, 2 process inputs
Power
120
120 V AC Control Voltage
240
240 V AC Control Voltage
NOTE
NOTE
Summary of Contents for MOTOR MANAGER 2
Page 2: ......
Page 4: ......
Page 34: ...3 8 MM2 Motor Manager 2 GE Power Management 3 3 THEORY OF OPERATION 3 HARDWARE 3 ...
Page 80: ...5 12 MM2 Motor Manager 2 GE Power Management 5 5 A4 STATISTICS 5 ACTUAL VALUES 5 ...
Page 188: ...9 40 MM2 Motor Manager 2 GE Power Management 9 13 SOFT STARTER 9 STARTER TYPES 9 ...
Page 212: ...E 4 MM2 Motor Manager 2 GE Power Management E 1 CT ISOLATION APPENDIXE E ...
Page 220: ...iv MM2 Motor Manager 2 GE Power Management INDEX ...