OBID i-scan
®
Installation
ID ISC.LRU2000
FEIG ELECTRONIC GmbH
Page 51 of 56
M60801-0de-ID-B.doc
E N G L I S H
4 Startup
4.1 Interface
configuration
4.1.1 RS485/RS422
Jumpers J7 – J8 are used to configure the asynchronous interface as an RS485 or R422 port.
Jumper
RS485
RS422
J7
closed
open
J8
closed
open
Table 4-1: Configuration of the RS485/RS422 port
Any termination resistors needed can be enabled using jumpers J1 through J6.
Jumper
Closed
Open
J1
Pull-Up on RS4xx - B
without
Pull-Up on RS4xx - B
J2
Pull-Down on RS4xx - A
without
Pull-Down on RS4xx – A
J5
Termination resistor
RS4xx - A
⇔
RS4xx - B
without
Termination resistor
RS485 - A
⇔
RS485 - B
J3
Pull-Up on RS422 - Z
without
Pull-Up on RS422 - Z
J4
Pull-Down on RS422 - Y
without
Pull-Down on RS422 –
Y
J6
Termination resistor
RS422 - Y
⇔
RS422 - Z
without
Termination resistor
RS422 - Y
⇔
RS422 - Z
Table 4-2: Termination resistors for RS485/RS422
Summary of Contents for i-scan ID ISC.LRU2000-A-EU
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