Examples Of 1:N Connections To Rs-422A/485 Ports - Omron CJ2 CPU UNIT User Manual

Examples of 1:N Connections to RS-422A/485 Ports

CPU Unit
Signal
name
RS-
SDA−
422A/485
SDB+
Option
RDA−
Board
RDB+
FG
Terminal block
CPU Unit
Signal
name
SDA−
RS-
422A/485 SDB+
Option
RDA−
Board
RDB+
FG
Terminal block
CJ2 CPU Unit Hardware User's Manual
Component
with
RS-422A/485
(2-wire)
Signal
Pin
RS-
name
No.
422A/485
A(−)
3
interface
4 B(+)
1
2
5
Component
with
RS-422A/485
(2-wire)
Signal
RS-
name
422A/485
A(−)
interface
B(+)
B500-AL001
RS-422A
Pin
Pin Signal
No. Shield name
No.
3 9 SDA
4 5 SDB
RS-422A
1 6 RDA interface
2 1 RDB
5 3 SG
7 FG
SDA SDB RDA
Signal name
9 5 6
Pin No.
Component
with
RS-422A/485
(4-wire)
Shield
RS-422A
Signal
Pin Signal
name
No. name
RS-
SDA 9 SDA
422A/485
SDB 5 SDB
interface
RDA 6 RDA
RDB 1 RDB
SG 3
FG 7
RDB SG FG
D-sub, 9-pin connector
1 3 7
(male)
Component
with
RS-422A/485
(4-wire)
Signal
Shield
name
RS-
SDA
422A/485
interface
SDB
RDA
RDB
RS-422A
Appendices
A-129