Datasheet

23
CJ2M-CPU3@/-CPU1@/-MD21@
Serial Option Board (Only CJ2M-CPU3@)
A Serial Option Board can be used with a CJ2M-CPU3@ CJ2M CPU Unit.
CP1W-CIF01 RS-232C Option Board
●RS-232C Connector
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(-V1) Programmable Terminal. The external device or the CPU Unit may be damaged.
CP1W-CIF11/CIF12 RS-422A/485 Option Board
●RS-422A/485 Terminal Block
Model Port Maximum transmission distance Connection method
CP1W-CIF01 One RS-232C port 15 m Connector: D-sub, 9-pin female
CP1W-CIF11
One RS-422A/485 port (not
isolated)
50 m Terminal block: Using ferrules
CP1W-CIF12 One RS-422A/485 port (isolated) 500 m Terminal block: Using ferrules
Pin No. Signal Name Direction
1 FG Protection earth −
2 SD (TXD) Send data Output
3 RD (RXD) Receive data Input
4 RS (RTS) Request to send Output
5 CS (CTS) Clear to send Input
6 5 V Power supply −
7 DR (DSR) Data set ready Input
8 ER (DTR) Data terminal ready Output
9 SG (0 V) Signal ground −
Connector hood FG Protection earth −
COMM
Front Back
Communications Status Indicator
RS-232 Connector
CPU Unit Connector
5
6
1
9
COMM
Front Back
Communications Status Indicator
DIP Switch for
Operation Settings
RS-422A/485 Connector
RDA- RDB
+
SDA- SDB
+
FG
CPU Unit
Connector
RDB+
RDA-
SDA-
SDB+
FG
Tighten the terminal block screws
to a torque of 0.28 N·m.