GE Multilin MM300 Quick Start Manual page 7

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