OBID
®
i-
scan
Installation
ID ISC.LR200
Page 46 of 50
FEIG ELECTRONIC GmbH
E N
G
L I S H
12. Initialization
12.1. Interface configuration via jumper
Jumpers J400 – J401 are used to configure the asynchronous interface for RS232 or RS485.
Jumper
RS232
RS485
400
1 - 2
2 - 3
401
1 - 2
2 - 3
Jumpers J403, J405 and J407 can be used to insert the termination resistors which may be re-
quired for the RS485 interface.
Jumper
In
Out
405
Pull-Up on RS485 - B
No
Pull-Up on RS485 - B
407
Pull-Down on RS485 - A
No
Pull-Down on RS485 - A
403
Termination resistor
RS485 - A
⇔
RS485 - B
No
termination resistor
RS485 - A
⇔
RS485 - B
Note:
It is not possible to operate both RS232 and RS485 at the same time.
J405
J403
J407
RS485 - B+
RS485 - A-
Jumpers for RS485 interface
