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6-1-5
Connectable PLCs
The PLCs that can be connected are given below.
For PLCs that are not listed in the following tables, you can use the upload settings and download set-
tings for Modbus communications as an alternative method to achieve efficient communications.
(These communications are not programless.) For details, refer to 4-5 Upload Settings and Download
Settings for Modbus Communications.
SYSMAC CS/CJ-series and CP-series PLCs
Name
Serial Communications Units
Serial Communications Board
CPU Units
Serial Communications Option Boards
Note: The CJ1W-CIF11 RS-422A Converter is required to use an RS-232C port.
*1
The Option Board is mounted in the option board slot that is given above.
*2
An RS-485 port is built into only the CP1E-N@@S1.
SYSMAC NJ-series and NX1P PLCs
Name
Serial Communications Unit
CPU Unit
Serial Communications Option Board*1
Note: The CJ1W-CIF11 RS-422A Converter is required to use an RS-232C port.
*1
The Option Board is mounted in the option board slot that is given above.
E5@D Digital Temperature Controllers Communications Manual (H225)
6 Programless Communications
Model number
CJ1W-SCU21-V1
CJ1W-SCU22
CJ1W-SCU41-V1
CJ1W-SCU42
CS1W-SCU21-V1
CS1W-SCB21-V1
CS1W-SCB41-V1
CS1/CJ1M CPU Units
CJ2 CPU Units
CP-series CPU Units
*1
CP1W-CIF11
CP1W-CIF12
Model
CJ1W-SCU22
CJ1W-SCU42
NJ Series
NX1P2
NX1W-CIF11
NX1W-CIF12
Communications ports
Port 1
Port 2
RS-232C
RS-232C
RS-422A/485
RS-232C
(Cannot be used.)
RS-232C
RS-232C
RS-232C
RS-232C
RS-422A/485
(Cannot be used.)
RS-232C
RS-232C or option board slot
RS-232C
*2
RS-485
or option
board slot
RS-422A/485
Communications ports
Port 1
Port 2
RS-232C
RS-232C
RS-422/485
RS-232C
(Cannot be used.)
The NJ-series PLCs do not have
communications ports. Connect to the
above Serial Communications Unit.
Option board slot
RS-422A/485
6
6 - 5
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