
1–4
MM3 MOTOR MANAGER 3 – INSTRUCTION MANUAL
OVERVIEW
CHAPTER 1: INTRODUCTION
Figure 1-2: Features
10
STATUS INDICATORS:
RUNNING:
Contactor is energized
and motor is running.
STOPPED:
Contactor is not
energized and motor is not running.
TRIPPED:
Contactor is not
energized. Motor is not running.
The MM3 has tripped the motor due
To a fault. Normally a cause of
trip message will be displayed.
ALARM:
One or more alarm
conditions are present .
Normally a cause of alarm
message will be displayed.
Front View
PROGRAM KEYS:
ACTUAL VALUES:
Press to enter
actual values mode to display actual
Motor values such as current,
ground leakage, thermal capacity.
SETPOINTS:
Press to enter setpoint
mode to alter or examine setpoints.
STORE:
Save a newly entered
setpoint.
RESET:
Reset the MM3 after a trip.
MESSAGE:
Move to the desired
setpoint or actual value message.
VALUE:
Increment or decrement
currently displayed setpoint value.
CONTROL KEYS:
AUTO:
Selects operation of start
via communication port.
MANUAL:
Selects manual.
operation of motor using the
Start key.
START A:
Energize contactor A.
START B:
Energize contactor B.
STOP:
De-energize contactors.
RELAY INDICATORS:
RELAY A:
Contactor A energized.
RELAY B:
Contactor B energized.
AUX 1:
User programmable relay 1 energized.
AUX 2:
User programmable relay 2 energized.
DISPLAY:
2 line, 40 character illuminated display
communicates all messages in simple
English for easy interpretation by users
unfamiliar with unit.
GROUND CT INPUT
50:0.025 ground fault
input.
Rear View
SUPPLY VOLTAGE
required to power the MM3
VOLTAGE INPUT
Phase A voltage input for
voltage and power monitoring.
SWITCH INPUTS
Opto-isolated 120/240 VAC live inputs for various interlock functions.
The interlock inputs are fully programmable and can be assigned to
functions as setpoint access, plant interlock, test, and various others.
COMMUNICATIONS
RS485 2 wire serial
communication port
operates at 1200 to
57600 bps for remote
commands, monitoring
and setpoint store.
Modbus
®
RTU protocol.
Ground
safety and
surge
THERMISTOR
NTC or PTC thermistor
input for hot winding
detection.
ANALOG INPUT/OUTPUT
4 to 20mA input for
Process control monitoring
/ alarming / tripping.
4 RELAYS
Contactor A: direct on
line / forward / wye
Contactor B: reverse / delta
User programmable relay
(AUX 1)
User programmable relay
(AUX 2)
CONTROL POWER
120/240 VAC supply voltage
selector switch and fuse
access door
Ground safety
RESIDUAL GROUND INPUT
PHASE CT INPUTS
3 isolated phase CT inputs
809700A1.CDR
Summary of Contents for MM3
Page 8: ...vi MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL TABLE OF CONTENTS ...
Page 18: ...1 10 MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL TECHNICAL SPECIFICATIONS CHAPTER 1 INTRODUCTION ...
Page 80: ...4 18 MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL CHASSIS MOUNT UNITS CHAPTER 4 SOFTWARE ...
Page 124: ...5 44 MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL S7 TESTING CHAPTER 5 SETPOINTS ...
Page 198: ...8 54 MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL MODBUS MEMORY MAP CHAPTER 8 COMMUNICATIONS ...
Page 220: ...10 14 MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL GE MULTILIN WARRANTY CHAPTER 10 MISCELLANEOUS ...