GE Multilin MM300 User Manual

2 MM300 MOTOR MANAGEMENT SYSTEM – QUICKSTART GUIDE
CHAPTER 1: OVERVIEW
Table 1-1: MM300 protection functions
RS485 - Modbus RTU
Ethernet - Modbus TCP/IP
Profibus/DeviceNet
52
27
59 47
METERING
V, A, W, var, VA , PF, Hz
27X
51R
49
37
66 46
50G
51G
49
MOTOR
LOAD
Stator RTDs
Bearing RTDs
Phase CT 3
Ground CT 1
Power Fuse
BUS
MM300
MOTOR MANAGEMENT SYSTEM
Temperature
Thermistor
Control PT
Contactor
Control
fuse
Direct voltage inputs
(690 V AC maximum)
Ambient air
RTD
Expansion module,
two cards per module,
maximum of two modules
38
Optional
three-phase
voltage
card
Options:
Six inputs & two form-A outputs (max 5 cards)
?
?
Three-phase voltage card (max 1 card)
Options:
Three RTDs - 100 ohm Platinum (max 2 cards)
?
?
Four form-C contact outputs (max 4 cards)
853739A2.CDR
Six inputs and two outputs (standard)
Optional RTD card
ANSI device Description
27X Undervoltage, auxiliary input
27 Undervoltage, three-phase
37 Undercurrent and underpower
38 Bearing temperature RTD
46 Current unbalance
47 Voltage phase reversal
49 Thermal overload
50G Ground instantaneous overcurrent
51G Ground time overcurrent
51R Locked/stalled rotor, mechanical jam
59 Overvoltage, three-phase
66 Starts per hour and time between starts

GE Multilin MM300 Specifications

General

Brand	GE
Model	Multilin MM300
Category	Control Unit
Language	English