Connecting with 1:N NT Links
Section 3-5
DIP switch (inside battery compartment)
? Turn ON pin 4 when connecting the
PT to the peripheral port (to use the
communications settings in the PLC
Setup).
? Turn OFF pin 5 when connecting the PT
to the RS-232C port (to use the
communications settings in the PLC
Setup).
Peripheral port
Mainly connected to a programming device.
(Can be connected to an RS-232C device.)
RS-232C port
Mainly connected to an RS-232C device.
(Can be connected to a computer running
the CX-Programmer.)
Connecting to CJ-series
CPU Units
CJ1G-CPU @@
PLC Setup Area
Using RS-232C
When connecting the PT to a CJ-series CPU Unit, set the communications
conditions in the PLC Setup according to the communications port used, as
follows:
Using the CJ1G/H-H, CJ1G, or CJ1M Built-in RS-232C Port
Address
160
161
166
Write value
8200
0000 to 0009
(See note 1.)
00 @
Settings
1:N NT Link Mode
Baud rate (normal)
@ : Largest unit number (0 to 7) of the connected PTs.
Note
(1) Set the baud rate to a numeric value between 0000 to 0009 Hex. (The
setting is the same for any value between 0000 and 0009 Hex.)
For example, to connect PTs with unit numbers 0, and 2 to 5 to the built-in RS-
232C port in 1:N NT Links, set address 160 to 8200 Hex, and address 166 to
0005 Hex.
Set whether the PLC Setup is set directly from the Programming Device (Pro-
gramming Console) or created by the Support Software (CX-Programmer)
and transferred to the CPU Unit.
Refer to the SYSMAC CJ Series Operation Manual (W393) for information on
the PLC Setup.
Precautions
for Correct Use
When setting a 1:N NT Link in the CX-Programmer, set the baud rate to
38,400 bps.
Setting the Front Panel Switches
Using RS-232C
Set DIP switch pin 4 or 5 of the CPU Unit according to the port to which the
PT is connected, as follows:
33
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