J1-J8: Interface Configuration - Feig Electronic OBID i-scan ID ISC.MRU200 Montage / Installation

®
OBID i-scan

5.3 J1-J8: Interface configuration

Jumpers J7 and J8 are used to configure the asynchronous interface as an RS485 or R422 port.
Table 5-2: Configuration of the RS485 / RS422 port
Jumper
J7
J8
Any termination resistors needed can be enabled using jumpers J1 through J6.
Table 5-3: Termination resistors for RS485 / RS422
Jumper
J1
J2
J5
J3
J4
J6
500 Ohm
J8
J7
500 Ohm
Fig. 5-1: RS485 Interface Jumper
FEIG ELECTRONIC GmbH
Installation
RS485
closed
closed
closed
Pull-Up on RS4xx - B
Pull-Down on RS4xx - A
Termination resistor
RS4xx - A ⇔ RS4xx - B
Pull-Up on RS422 - Z
Pull-Down on RS422 - Y
Termination resistor
RS422 - Y ⇔ RS422 - Z
J1
RS485 +
120 Ohm
J5
RS485 -
J2
Page 47 of 52
RS422
open
open
open
without Pull-Up on RS4xx - B
without Pull-Down on RS4xx – A
without Termination resistor
RS485 - A ⇔ RS485 - B
without Pull-Up on RS422 - Z
without Pull-Down on RS422 – Y
without Termination resistor
RS422 - Y ⇔ RS422 - Z
500 500
J3 J1
120
J6
120
J5
J4 J2
500 500
Fig. 5-2: RS422 Interface Jumper
M70201-4de-ID-B.doc
ID ISC.MRU200
RS422 Z+
RS422 Y-
RS422 B+
RS422 A-