GE MM300 Manual page 123

CHAPTER 4: FIELDBUS INTERFACE
Profibus or Device et
Optional fieldbus protocols
Switched power supply
allows AC or DC control
voltage
Optional TCP/IP
Ethernet
MM300 MOTOR MANAGEMENT SYSTEM – COMMUNICATIONS GUIDE
RS485 communications
and thermistor input
I/O card includes:
Core-balance ground CT input
two contactor outputs (form-A)
•
six programmable inputs
•
• single-phase VT input (60 to 300 V AC)
Terminal designations are as shown in the table below:
Terminal
V-
L
C
H
V+
7. After the connections are complete, the network will look something like this:
Three-phase and
Expansion module
residual ground CT
to base unit with a single connector
inputs
Function
Common
Signal Low
Shield
Signal High
Power Supply
DEVICENET PROTOCOL
Optional three-phase
voltage module
RTD Module
with three RTD inputs
Expansion module
allows additional digital
inputs/outputs, RTDs, or
voltage inputs
Color
Black
Blue
Non insulated
White
Red
853740A2.CDR
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