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