Rs232 Front Panel Program Port - GE Multilin 745 Instruction Manual

745
Transformer Management Relay
RS232 Front Panel
Program Port
3–14
FIGURE 3–17: RS422 Wiring
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 enerVista
745 Setup 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 3–18: RS232 Wiring
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Typical Wiring
GE Multilin