Examples Of 1:N Connections To Rs-232C Ports - Omron CJ2 CPU UNIT User Manual

Cj2 cpu unit hardware
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Examples of 1:N Connections to RS-232C Ports

CPU Unit
Signal
name
FG
SD
RS-232C
RD
Option
Board
RS
CS
5V
DR
ER
SG
D-sub, 9-pin connector
(male)
CPU Unit
Signal
name
FG
SD
RD
RS-232C
Option
RS
Board
CS
5V
DR
ER
SG
D-sub, 9-pin connector
(male)
*1 We recommend using the following NT-AL001 Link Adapter Connecting Cables to connect to NT-AL001 Link
Adapters.
NT-AL001 Connecting Cables:
CJ2 CPU Unit Hardware User's Manual
NT-AL001 Link Adapter
Shield
Signal
Signal
Pin
Pin
Pin
name
name
No.
No.
No.
RS-232C
1
1
NC
GRD
1
2
2
SD
SG
2
3
3
RD
SDB
3
4
4
RS
SDA
4
5
5
CS
RDB
5
6
6
5V
RDA
6
7
7
DR
CSB
7
8
8
ER
CSA
8
9
9
SG
RS-232
RS-422
*1
Terminal block
D-sub, 9-pin
connector (male)
DIP Switch Settings
Pin 1: ON
Pin 2: ON (terminating resistance)
Pin 3: OFF (4-wire)
Pin 4: OFF (4-wire)
Pin 5: OFF
Pin 6: OFF
NT-AL001 Link Adapter
Pin
Pin
Signal
Signal
No.
name
No.
name
Shield
1
1
NC
GRD
2
2
SD
SG
3
3
RD
SDB
4
4
RS
SDA
5
5
CS
RDB
6
6
5V
RDA
7
7
DR
CSB
8
8
ER
CSA
9
9
SG
RS-232
RS-422
*1
Terminal block
D-sub, 9-pin
connector (male)
DIP Switch Settings
Pin 1: ON
Pin 2: ON (terminating resistance)
Pin 3: ON (2-wire)
Pin 4: ON (2-wire)
Pin 5: OFF
Pin 6: ON
XW2Z-070T-1 (0.7 m)
XW2Z-200T-1 (2 m)
Component
with
RS-422A/485
(4-wire)
Signal
name
RS-422A
RS-
SDA
Shield
422A/485
SDB
interface
RDA
RDB
Component
with
RS-422A/485
(4-wire)
Signal
name
RS-
SDA
422A/485
SDB
interface
RDA
RDB
Component
with
RS-422A/485
(2-wire)
Pin
Signal
RS-
No.
name
422A/485
1
A(−)
interface
2
B(+)
3
4
5
6
Component
7
with
8
RS-422A/485
(2-wire)
Signal
RS-
name
422A/485
A(−)
interface
B(+)
Appendices
A-127

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