59
Connecting to the RS-232C Port at the Host Section 4-1
Either set the PLC Setup directly from a Programming Device (Programming
Console), or transmit the PLC Setup made at a Programming Device (CX-
Programmer) to the CPU Unit.
For details on the PLC Setup, refer to the CS-series Operation Manual
(W339) or the SYSMAC CJ Series Operation Manual (W393).
Using the CPU Unit’s Built-in RS-232C Port
Using the CPU Unit’s Peripheral Port
Setting the Front Switches
Set the CPU Unit’s DIP switches to 4 or 5 in accordance with the port NT31/
NT31C is connected to. An example of a CS-series CPU Unit is shown below.
Connecting to CS-series Serial Communications Board
Serial Communications Board equipped with a RS-232C port for CS-series
CPU Units: CS1W-SCB21(-V1)/CS1W-SCB41(-V1) (See note.)
Note Cannot be used with the CS1D-CPU65H/67H.
Word # Writing Value Settings
160 8000 Host link mode, data length 7 bits,
2 stop bits, even parity
161 0000 Communications speed: 9600 bps.
0007 Communications speed: 19200 bps.
166 0000 Unit #00
Word # Writing Value Settings
144 8000 Host link mode, data length 7 bits,
2 stop bits, even parity
145 0000 Communications speed: 9600 bps.
0007 Communications speed: 19200 bps.
150 0000 Unit #00
DIP switches (inside the battery storage)
Peripheral port
RS-232 port
SYSMAC CS1G
PROGRAMMABLE CONTROLLER
CPU42
OPEN
OPEN
PERIPHERAL
PORT
BUSY
RUN
ERR/ALM
INH
PRPHL/COMM
MCPWR
This is used mainly for
connection to the
Programming Device.
(This also supports the
RS-232C unit
connection.)
This is used mainly for
connection to the RS-
232C unit.
(This also supports the
CX-Programmer.)
• Set SW4 to ON (establishing communications in
accordance with PLC Setup) when connecting the
NT31/NT31C to the peripheral port.
• Set SW5 to OFF (establishing communications in
accordance with PLC Setup) when connecting the
NT31/NT31C to the RS-232C port.
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