Description Data
Parity Even, <odd>, none
Signals TxA, RxA, TxB, RxB
Potential isolation Yes
Cable length max. 1000 m
<…> = preset values (factory settings)
Switch S101 RS-422/485 block diagram
Factory setting:
S Function Settings for RS-422/485
1 Tx enable (unblock) OFF: RS-422 ON: RS-485
2 Rx enable (unblock) OFF: 4-wire ON: 2-wire
3 Rx pull-up resistor OFF: not connected
ON: (RxB 1K54 Ω +V)
4 Rx bus termination OFF: not connected
ON: (RxA 205E Ω RxB)
5 Rx pull-down resistor OFF: not connected
ON: (RxA 1K54 Ω -V)
4 Device installation X3 Process Indicator PR 5410
EN-63 Minebea Intec