Connecting The Modbus Transmission Cable; Connecting Rs-232C Cable; Connecting Rs485-2W(Rs485 2Wires) Cable; Connecting Rs485-4W(Rs485 4Wires) Cable - Toshiba MD911 Instruction Manual

2.4

Connecting the MODBUS Transmission Cable

Setting MODBUS transmission can be done with Module Parameter setting of the
engineering tool. Refer to 3.3.1 Module Parameter Setting.
Connect MODBUS transmission cable according to a setup of transmission path.
2.4.1

Connecting RS-232C Cable

Connect 9 Pins D-sub connector cable to MODBUS RS-232C I/F connector.
2.4.2 Connecting RS485-2W (RS485 2wires) Cable
Connect two signals and one GND with LON Cable to MODBUS RS485 I/F
terminal block.
1
D1 D0
Terminator
(150Ω)
Master
2 3 4 5
- - GND
1 2 3 4 5
D1 D0 - - GND
Slave 1
Figure 2-4 Connection of RS485-2W cable
Unified Controller nv series MODBUS (MD911) Module Instruction Manual
2.4 Connecting the MODBUS Transmission Cable
Terminator
(150Ω)
1 2 3 4 5
D1 D0 - - GND
Slave n
15