
MM3 MOTOR MANAGER 3 – INSTRUCTION MANUAL
1–1
MM3 Motor Manager 3
Chapter 1: Introduction
GE Consumer & Industrial
Multilin
STOP
RUNNING
RELAY A
RELAY A
STOPPED
RELAY B
RELAY B
TRIPPED
AUX RELAY 1
AUX RELAY 1
ALARM
AUX RELAY 2
AUX RELAY 2
VALUE
MESSAGE
AUTO
MANUAL
STORE
RESET
ACTUAL
SETPOINT
START
A
START
A
START
B
START
B
Introduction
1.1
Overview
1.1.1
Description
The MM3 Motor Manager 3 combines control functions normally found in a low voltage
motor control center (MCC) with motor protection. This compact, microprocessor based
device, provides sophisticated control and protective relaying at significant cost savings
over an MCC design using discrete devices.
Standard features simplify maintenance and plant expansion. One MM3 Motor Manager 3
is required for every starter unit in the MCC. The contactor can be energized and de-
energized using the MM3 Motor Manager 3's direct-wired inputs or via the serial port. Full
voltage non-reversing, full voltage Reversing, two-speed, autotransformer, inverter, wye-
delta, slip ring, and part winding type starters may be completely controlled by the MM3
Motor Manager 3 using the two contactor outputs.
Motor protection is included for the most common causes of failure to prevent costly
shutdowns and rewinds. These include three-phase overload, stalled rotor, ground fault
and loss of phase.
A two-wire RS485 Modbus communications port is provided for high speed
communications with a complete line-up of MCCs. Any MM3 Motor Manager 3 may be
interrogated on demand to determine both actual and setpoint operating parameters.
Fast response time 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 MM3 Motor Manager 3 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 process environment. The standard MM3 Motor Manager 3 comes with
Содержание MM3
Страница 8: ...vi MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL TABLE OF CONTENTS ...
Страница 11: ...CHAPTER 1 INTRODUCTION OVERVIEW MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL 1 3 Figure 1 1 Functional block diagram ...
Страница 18: ...1 10 MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL TECHNICAL SPECIFICATIONS CHAPTER 1 INTRODUCTION ...
Страница 80: ...4 18 MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL CHASSIS MOUNT UNITS CHAPTER 4 SOFTWARE ...
Страница 124: ...5 44 MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL S7 TESTING CHAPTER 5 SETPOINTS ...
Страница 198: ...8 54 MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL MODBUS MEMORY MAP CHAPTER 8 COMMUNICATIONS ...
Страница 220: ...10 14 MM3 MOTOR MANAGER 3 INSTRUCTION MANUAL GE MULTILIN WARRANTY CHAPTER 10 MISCELLANEOUS ...