Omron CJ1W-SCU32 Operation Manual page 121

Connection diagrams are provided in the following subsections. OMRON recommends the use of
shielded, twisted-pair cables for actual wiring to enhance noise resistance. For details on wiring meth-
ods, refer to 3-3 RS-232C and RS-422A/485 Wiring.
Connecting RS-232C Ports 1:1
Connections to E5CK Temperature Controller
Connections to Personal Computer
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Serial Communications
Unit
RS-232C
Signal Pin
Shield
FG
SD
RD
RS
CS
DR
ER
SG
D-sub, 9-pin
connector (male)
Computer
1 FG
2 SD
3 RD
4 RS
5 CS
6 DR
7 SG
8 CD
9
10
11
12
13
14
15 ST2
16
17 RT
18
19
20 ER
21
22 CI
23
24 ST1
25
3 Installation and Wiring
OMRON E5CK Temperature Controller
RS-232C: Terminal Block
Terminal Signal
SD
RD
SG
RS-232C port
1 FG
2 SD
3 RD
4 RS
5 CS
6 5V
7 DR
8 ER
9 SG
3
3-11