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1-28 11. Serial Connector (CN1)
11. Serial Connector (CN1)
Serial Connector for PLC Connection
1. To communicate with the PLC (RS-232C, RS-422/485), connect the cable to the serial
connector (CN1) at the bottom of the V7 unit.
- For V708/V708i: - For V710/V710i/V712/V712i:
2. The serial connector pins correspond to signals as given below.
3. The following connector is recommended.
DDK-make 17JE23250-02 (D8A) D-sub 25-pin, female, metric thread, with hood
Bottom View Bottom View
CN1 (D-sub 25-pin, female) Pin No. Signal Name Contents
1 FG Frame ground
2 SD RS-232C send data
3 RD RS-232C receive data
4 RS RS-232C request to send
5 CS RS-232C clear to send
6 Not used
7 SG Signal ground
8 Not used
9 +5V Use prohibited
10 0V Use prohibited
11 Not used
12 +SD RS-422 send data (+)
13 −SD RS-422 send data (−)
14 +RS RS-422 RS send data (+)
15 Not used
16 Not used
17 −RS RS-422 RS send data (−)
18 −CS RS-422 CS receive data (−)
19 +CS RS-422 CS receive data (+)
20 Not used
21 − Use prohibited (V708: not used)
22 − Use prohibited (V708: not used)
23 Not used
24 +RD RS-422 receive data (+)
25 −RD RS-422 receive data (−)
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14
13
25