Rs485 Communication Cable Connection - Toshiba LC531 Series Instruction Manual

Chapter 2 Installing, Removing and Connection

2.3 RS485 Communication Cable Connection

2.3.1 RS485 communication cable connection
For EC bus (or MODBUS) transmission, connect the RS485 communication
cable to the terminal block (TB1) on the back of the LC53* as shown below.
34
6F8C1388
TB1
(31 to 33)
Figure 2-11 Wiring of the RS485 communication cable
Note
• When performing wiring to the power supply terminal block or RS485 terminal block, make
sure that there is no error. If power is fed to wrong connection, it may cause burnout or
electric shock.
Transmission signal line (+)
Transmission signal line (-)
Transmission cable
Shielded wire
Housing back