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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
D32010
D32011
D32012
D32013
Writing Value
Port 2
8000
0000
0007
0000
0000
Host link mode, 2 stop bits, data length 7 bits,
even parity,
Communications speed 9600 bps.
Communications speed 19200 bps.
Transmit delay time 0 ms.
No CTS control, Unit No. 0 for host link
30
Settings
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