OBID i-scan
®
Installation
ID ISC.MRU200
FEIG ELECTRONIC GmbH
Page 40 of 52
M70201-4de-ID-B.doc
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4.3.2 RS485 / RS422 Interface (ID ISC.MRU200-USB)
The second asynchronous interface can be configured for RS485 or RS422 (see
). The RS485 interface respectively RS422 interface is connected to X3.
Table 4-4: RS485 / RS422 interface pinouts
Terminal
Abbreviation
Description
X3 / Pin 1
GND
RS485 / RS422 – GND
X3 / Pin 2
A-
RS485 / RS422 – (A -)
X3 / Pin 3
B+
RS485 / RS422 – (B +)
X3 / Pin 4
Y-
RS422 – (Y -)
X3 / Pin 5
Z+
RS422 – (Z +)
Fig. 4-6: Wiring the RSR485 / RS422 interface
X3
Z+
Y-
B+
A- GND