Wiring The Recommended Cable (Xw2Z-070T-1/Xw2Z-200T-1) - Omron CJ2 CPU UNIT User Manual

Cj2 cpu unit hardware
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Appendices
Application Example
CJ2M CPU Unit
Built-in RS-232C port or
RS-232C Option Board
Signal
Pin
name
No.
2
SD
3
RD
4
RS
5
CS
6
+5V
7
DR
8
ER
9
SG
Shell
FG
Note Use the special cables for the above cables.
Use the following Cables to connect the RS-232C port on an Option Board to an NT-AL001 RS-
232C/RS-422A Link Adapter.
Length
70 cm
2 m

Wiring the Recommended Cable (XW2Z-070T-1/XW2Z-200T-1)

Wiring with XW2Z-@@0T-1 (10 conductors)
PLC
Pin
Signal
No.
name
1
FG
2
SD
3
RD
4
RS
5
CS
6
+5V
7
DR
8
ER
9
SG
Shell
FG
Note The shell (FG) is internally connected to the protective earth (GR) terminal on the CPU Unit. FG can thus be
connected by connecting the protective earth (GR) terminal on the Power Supply Unit.
Precautions for Correct Use
Precautions for Correct Use
• The XW2Z-@@0T-1 Cable is designed to connect the NT-AL001 and contains special wiring for
the DS and RS signals. Do not use this cable for any other application. Connecting this cable
to other devices can damage them.
• Always turn ON the terminating resistance on the ends of the RS-422A/485 line.
A-116
NT-AL001 RS-232C/RS-422A Link Adapter
Pin
Signal
RS-232C
No.
name
3
RD
2
SD
4
RS
5
CS
6
+5V
7
DR
ER
8
SG
9
FG
Shell
Shield
(See note.)
Model
XW2Z-070T-1
XW2Z-200T-1
NT-AL001 (inside NT-AL001)
Pin
Signal
name
No.
Not
1
used.
RD
3
SD
2
RS
4
CS
5
+5V
6
DR
7
ER
8
SG
9
FG
Shell
Shield
Signal
RS-422
Pin
name
No.
SDA
4
SDB
3
RDA
6
RDB
5
GRD
1
Arrows indicate signal directions
Returned
Returned
CJ2 CPU Unit Hardware User's Manual
External device
Signal
name
RDA
RDB
SDA
SDB
External device
Signal
name
RDA
RDB
SDA
SDB
FG

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