Cpu Communication Ports - GE L30 Instruction Manual

WIRING CHAPTER 3: INSTALLATION
Figure 3-27: RS232 front panel port connection
3

3.3.9 CPU communication ports

3.3.9.1 Overview
In addition to the front panel RS232 port, there is a rear RS485 communication port.
The CPU modules do not require a surge ground connection.
3-30 L30 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL