OBID i-
scan
®
Installation
ID ISC.MRU200i
FEIG ELECTRONIC GmbH
Page 47 of 52
M80401-3de-ID-B.doc
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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
RS485
RS422
J7
closed
open
J8
closed
open
Any termination resistors needed can be enabled using jumpers J1 through J6.
Table 5-3: Termination resistors for RS485 / RS422
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
RS485 +
J1
J5
J2
500 Ohm
500 Ohm
120 Ohm
J7
J8
RS485 -
RS422 Y-
RS422 B+
500
500
500
120
120
J2
J3
J1
J6
J5
RS422 Z+
J4
500
RS422 A-
Fig. 5-1: RS485 Interface Jumper
Fig. 5-2: RS422 Interface Jumper
Summary of Contents for OBID i-scan ID ISC.MRU200i
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