GE 745 TRANSFORMER MANAGEMENT RELAY User Manual

GE Power Management 745 Transformer Management Relay 3-13
3 INSTALLATION 3.2 TYPICAL WIRING
3
Figure 3–14: RS422 CONNECTION
3.2.17 RS232 FRONT PANEL PROGRAM PORT
A 9 pin RS232C serial port is located on the front panel for programming through a PC. This port uses the
same Modbus protocol as the two rear ports. The 745PC software required to use this interface is included
with the relay. Cabling for the RS232 port is shown below for both 9 pin and 25 pin connectors.
Figure 3–15: RS232 CONNECTION

GE 745 TRANSFORMER MANAGEMENT RELAY Specifications

General

Brand	GE
Model	745 TRANSFORMER MANAGEMENT RELAY
Category	Relays
Language	English