Setup & Operation 13. Option Slots
13.4 RS-232C Board
13.4.1 About the RS-232C Board
One standard RS-232C port is not available with the Controller.
You need to mount the RS-232C board in the Option Slot to communicate with external
equipment using two or more port RS-232C.
The RS-232C board accepts two ports expansion per board. A maximum of two boards,
four ports expansion is available for RS-232C board.
Port numbers are assigned as follows.
Port No. Supported hardware
#2, #3 First RS-232C board
#4, #5 Second RS-232C board
13.4.2 Board Setup