Panasonic FP2

WiringFP2 Multi-wire Link Unit
3-3
3.1 Wiring
3.1 Wiring
3.1.1 Transmission Cable Wiring
When connecting the transmission terminals (RS485) of the various link units, always
connect positive (+) terminals with positive (+) terminals, and negative (-) terminals with
negative (-) terminals.
Connect one end of the shielded transmission cable to the frame ground terminal on
the transmission terminal (RS485), as shown in the illustration below, to ground it.
Transmission
terminal (RS485)
Transmission
terminal (RS485)
Transmission
terminal (RS485)
Transmission
cable
Transmission
cable
(Shield) (Shield)
(RS485 interface) (RS485 interface) (RS485 interface)
Use forked wiring to connect the various stations. Be careful that multiple stations are
not connected to a single terminal.
Incorrect wiring example
Multiple wiring connections
(branches) cannot be used.
Correct wiring example
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