CJ2M-CPU3@/-CPU1@/-MD21@
Serial Option Board (Only CJ2M-CPU3@)
A Serial Option Board can be used with a CJ2M-CPU3@ CJ2M CPU Unit.
Model
CP1W-CIF01
Port
One RS-232C port
Maximum transmission distance
Connection method
Connector: D-sub, 9-pin female
15 m
50 m
500 m
One RS-422A/485 port (not
isolated)
CP1W-CIF11
CP1W-CIF12
Terminal block: Using ferrules
Terminal block: Using ferrules
One RS-422A/485 port (isolated)
CP1W-CIF01 RS-232C Option Board
Front
Back
Communications Status Indicator
CPU Unit Connector
COMM
RS-232 Connector
●RS-232C Connector
Pin No.
Signal
Name
Protection earth
Send data
Direction
1
2
3
4
5
6
7
8
9
FG
−
SD (TXD)
RD (RXD)
RS (RTS)
CS (CTS)
5 V
Output
Input
Output
Input
−
Receive data
Request to send
Clear to send
Power supply
Data set ready
5
1
DR (DSR)
ER (DTR)
SG (0 V)
FG
Input
6
9
Data terminal ready Output
Signal ground
−
−
Connector hood
Protection earth
Note: Do not use the 5-V power from pin 6 of the RS-232C port for anything but CJ1W-CIF11 RS-422A Conversion Adapter, NT-AL001 RS-232C/
RS-422A Conversion Adapter and NV3W-M_20L Programmable Terminal. The external device or the CPU Unit may be damaged.
CP1W-CIF11/CIF12 RS-422A/485 Option Board
Front
Back
Communications Status Indicator
CPU Unit
Connector
COMM
+
+
RDA- RDB SDA- SDB FG
DIP Switch for
Operation Settings
RS-422A/485 Connector
●RS-422A/485 Terminal Block
Tighten the terminal block screws
to a torque of 0.28 N·m.
FG
SDB+
RDA-
RDB+
SDA-
23