Omron KP100G, Technical Manual

Page: 39 / 54

KP100G
39
Installation (RS-485)
Fig, 8-2Fig, 8-1Fig, 8-2 shows the wiring diagram.
Use an RS-232C/RS-485 Interface Converter for connection with the personal computer.
Connect a terminator plug to the communications cable for the last KP100G Unit in the series. 0.3 mm
2
shielded twisted pair cable is recommended for
RS-485 connection.
Fig, 8-2 Wiring KP100G Units to a personal computer (RS-485)
100 to 125
Ω
(1/2 W)
Personal
Computer
RS-485 Terminal
RS-232C/RS-485
Converter (K3SC)
DB (+) DA (-)
RS-485 Terminal
RS-485 Terminal
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
T+
T-
R+
R-
T+
T-
R+
R-
T+
T-
R+
R-
T+
T-
R+
R-
T+
T-
R+
R-
T+
T-
R+
R-