Overview .............................................................................................................................................. 1 - 1

Cautions and Warnings..........................................................................................................................1 - 1

Safety words and definitions ...............................................................................................................1 - 1

General Safety Precautions - MM300 ..............................................................................................1 - 2

For Further Assistance ............................................................................................................................1 - 3

Description of the MM300 Motor Management system.........................................................1 - 3

MM300 order codes .................................................................................................................................1 - 5

Example of an MM300 order code ....................................................................................................1 - 6

Specifications..................................................................................................................................... 1 - 6

Protection specifications .......................................................................................................................1 - 6

User interface specifications ...............................................................................................................1 - 8

Metering and monitoring specifications ........................................................................................1 - 8

Control specifications..............................................................................................................................1 - 8

Inputs specifications ................................................................................................................................1 - 9

Outputs specifications ......................................................................................................................... 1 - 10

Power supply specifications ............................................................................................................. 1 - 10

Communications specifications ...................................................................................................... 1 - 10

Testing and certification ..................................................................................................................... 1 - 12

Physical specifications......................................................................................................................... 1 - 13

Environmental specifications ........................................................................................................... 1 - 13

Mechanical installation ................................................................................................................. 2 - 1

Dimensions...................................................................................................................................................2 - 1

Product identification ..............................................................................................................................2 - 2

Mounting .......................................................................................................................................................2 - 3

Module withdrawal and insertion......................................................................................................2 - 6

Module and terminal identification...................................................................................................2 - 7

Electrical installation ...................................................................................................................... 2 - 8

Power supply module .............................................................................................................................2 - 9

CPU module .............................................................................................................................................. 2 - 10

Ground current input ............................................................................................................................2 - 10

Thermistor connections.......................................................................................................................2 - 12

RS485 connections ................................................................................................................................2 - 13

Protection modules ............................................................................................................................... 2 - 14

Phase current inputs (IO_A module)...............................................................................................2 - 15

Phase voltage inputs (IO_B module) ..............................................................................................2 - 17

RTD sensor connections (IO_G module) .......................................................................................2 - 18

Input/output modules .......................................................................................................................... 2 - 18

Type IO_C module connections.......................................................................................................2 - 19

Type IO_D module connections.......................................................................................................2 - 20

Type IO_E module connections .......................................................................................................2 - 21

Dielectric strength testing.................................................................................................................. 2 - 22

Starter types.....................................................................................................................................2 - 24

Full-voltage non-reversing starter ................................................................................................. 2 - 24

Full-voltage reversing starter ........................................................................................................... 2 - 26

Two-speed starter.................................................................................................................................. 2 - 28

Wye-delta open transition starter.................................................................................................. 2 - 30

Inverter starter (VFD, VSD) .................................................................................................................. 2 - 32

Soft starter type...................................................................................................................................... 2 - 34

Autotransformer open transition starter .................................................................................... 2 - 36

Autotransformer closed transition starter ................................................................................. 2 - 38

TOC-I