Omron CJ2 CPU UNIT - Direct Connection from RS-232 C to RS-232 C; OMRON PT (Host Link or 1:N NT Link)

Appendices
A-122
CJ2 CPU Unit Hardware User’s Manual
z Direct Connection from RS-232C to RS-232C
• Communications Mode: Host Link (unit number 0 only for Host Link)
NT Link (1:N, N = 1 Unit only)
• OMRON Cables with Connectors:
XW2Z-200T-1: 2 m
XW2Z-500T-1: 5 m
z RS-422A/485 Ports with 1:1 Connection
• Communications Mode: Host Link (Host Link unit number 0 only)
NT Link (1:N, N = 1 Unit only)
* Switch Settings on RS-422A/485 Option Board
• Terminating resistance: ON
• 2-wire/4-wire setting: 4-wire
Note The terminating resistance setting example is for the NT631/NT631C.
The setting method depends on the PT model. Refer to the manual for your PT.
OMRON PT (Host Link or 1:N NT Link)
RS-232C
PT
Host Link or NT Link (1:N)
RS-232C port
–
–
–
CPU Unit
PT
Hood
Hood
Signal
name
Signal
name
RS-232C
Interface
RS-232C
Interface
D-sub, 9-pin
connector (male)
D-sub, 9-pin
connector (male)
Pin
No.
Pin
No.
FG
FG
SD
RD
RS
CS
5V
DR
ER
SG
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
FG
SD
RD
RS
CS
5V
SG
RDA
TRM
RDB
SDA
SDB
RSA
RSB
3
4
1
2
5
SDA−
SDB+
RDA−
RDB+
FG
CPU Unit
Signal
name
Signal name
Pin
No.
Terminal block
RS-
422A/485
Option
Board
Short pin
PT (See note.)
RS-
422A/485
interface
Functional ground
Terminal block/D-sub connector