3
6. V-Link 3-23
Serial Communications
RS-485 (V7 series: maximum 31 sets)
Wiring example of above (a) and (b)
CN1 CN1 CN1
MJ2/1 MJ2/1 MJ2/1
a
bV6-TMP
RS-232C
RS-422
RS-485
PLC PLC PLC
}
RS-485
}
*
}
*
}
*
Computer
V7
Local
Port 1
V7
Local
Port 2
V7
Local
Port 31
RS-232C →
RS485
conversion
Terminal block Terminal block Terminal block
* 0.5 m recommended (1.0 m maximum)
+1
+
−
RS-485
−2
+1
−2
+
−
+
−
a
b
SG 5SG 5
SG SG SG
FG FG FG
FG FG
Signal Name
V7
Modular jack, 8-pin
Pin No.
(Black)
(Green)
V7
Modular jack, 8-pin
Signal
Name
(Black)
(Green)
Term ina l Te rmi nal
Signal Name Pin No.
Signal
Name Signal
Name