85
Connecting to the RS-232C Port at the Host
Section 4-1
CS1 series CPU type : CS1G/H–CPU
S PC system settings
When connecting to a CS1 series CPU, set the following communication condi-
tions for the PC system setting area, in accordance with the communication port
to be used.
When using the built-in RS-232C port of CS1G/H
Word # Writing Value Settings
160 8200 NT link (1:N) mode
166 000
= The largest model number of the connected
PT
(0 – 7)
When using the peripheral port of CS1G/H
Word # Writing Value Settings
144 8200 NT link (1:N) mode
146 000
= The largest model number of the connected
PT
(0 – 7)
When connecting PT with its model number 0, 2–5 to the built-in RS-232C port, for
example, set the value 8200 Hex to 160 CH, and 0005 Hex to 166CH.
Either set PC system settings directly from a peripheral tool (programming con-
sole), or transmit the PC system settings made at a peripheral tool (CX-Program-
mer) to the CPU.
For details on PC system settings, refer to the “SYSMAC CS1 Series Operation
Manual” (W339-E1-
[Setting the front switches]
Set the CPU DIP switch to 4 or 5 in accordance with the port NT31/NT31C is con-
nected to.
Peripheral port
This is used mainly for
connection to the
peripheral tool.
(This also supports the
RS-232C unit connection.)
RS–232 port
This is used mainly for
connection to the
RS-232C unit.
(This also supports the
CX-Programmer.)
DIP switches (inside the battery storage)
Set SW4 to ON (establishing communication in
accordance with PC system settings) when connecting
the NT31/NT31C to a peripheral port.
Set SW5 to OFF (establishing communication in
accordance with PC system settings) when connecting
the NT31/NT31C to a peripheral port.
SYSMAC CS1G
PROGRAMMABLE CONTROLLER
CPU4
2
OPEN
OPEN
PERIPHERAL
PORT
BUSY
RUN
ERR/ALM
INH
PRPHL/COMM
MCPWR
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