Termination Resistor Setting - Mitsubishi Electric MELSEC iQ-F FX5 User Manual

Termination resistor setting

Make sure to provide a termination resistor at each end of a line.
Built-in RS-485 port, FX5-485-BD, and FX5-485ADP have a built-in termination resistor.
Set the termination resistor selector switch accordingly.
Wiring
Two-pair wiring
One-pair wiring
 FX5U CPU module built-in RS-485 port
• FX5-485-BD
• FX5-485ADP
5 WIRING
24
5.2 Selecting Connection
Termination
resistor
selector switch
Termination
resistor selector
switch
Termination
resistor
selector switch
Termination resistor selector switch
330 
110 
 FX5UC CPU module built-in RS-485 port
Termination
resistor selector
switch