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Setting the Switches on an RS-422A Adapter
Set the terminator selector switch
to ON (upper position).
Connecting to a CS-series Serial Communications Board
Serial Communications Board with an RS-422A/485 port equipped for CS-series
CPU Unit Type: CS1W-SCB41(-V1) (The port 2 is an RS-422A/485 port.)
Allocation DM Area Settings in CPU Unit
Settings are written from the Programming Device (a Programming Console or
CX-Programmer) directly into the allocation DM area (system setting area) of the CPU Unit.
After the settings are written, they become effective by turning the power ON, restarting the
unit, restarting the communications port, or executing the STUP command.
In the following, the words allocated in the DM area and the settings are shown.
Allocation DM area word
Port 2
Writing Value
Settings
D32010
8000
Host link mode, 2 stop bits, data length 7 bits,
even parity,
0000
Communications speed 9600 bps.
D32011
0007
Communications speed 19200 bps.
D32012
0000
Transmit delay time 0 ms.
D32013
0000
No CTS control, Unit No. 0 for host link
