Fujitronic Programmable Operation Display UG520H-x - Manual (Page 36)

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Serial Connector (CN1)
9
CN1 is used for communicating between a PLC and a POD(RS-232C, RS-422/485).
Serial Connector (CN1)
The pin arrangement of serial connector is as follows:
Pin No.
1
2
3
7
9
10
12
13
14
17
Signal
FG
SD
RD
SG
+5V
0V
+SD
-SD
+RS
-RS
Contents
Frame ground
RS-232C send data
RS-232C receive data
Signal ground
RS-422 send data (+)
RS-422 send data (-)
RS-422 RS send data (+)
RS-422 RS send data (-)
4
5
6
8
11
15
16
20
21
22
23
RS
CS
RS-232C RS request to send
RS-232C CS clear to send
Not used
Not used
Use prohibited
Use prohibited
Not used
Not used
Not used
Not used
Not used
Not used
Not used
18
19
-CS
+CS
RS-422 CS receive data (-)
RS-422 CS receive data (+)
24
25
+RD
-RD
RS-422 receive data (+)
RS-422 receive data (-)
Communication Cable of RS-232C/RS-422
RS-232C
In case of RS-232C, SD and SG, and RD and SG form a pair.
Connect the shielded cable to pin No. 1 or the connector case cover.
1 14
13 25
CN2
MJ1 MJ2
CN1
100- 240VAC
L
N NC
CN1 (Dsub 25pin )
Signal Pin No.
Shielded cable
To the RS-232C port
of the PLC link unit
FG
SD
RD
RS
CS
SG
1
2
3
4
5
7
Receive data
SG
SG
Send data
POD (CN1)
9 Serial Connector (CN1)