RS485/RS422
Wieland Electric GmbH | BA000917 | 01/2019 (Rev. B)
33
8.6
Technical specifications
Expansion port RS485-RS422
Power supply
External
+10 … +30 V
Internal
+3.3 V
Supply power
Max. 1 W
Supply current
Max. 4 mA
Environment
Operating temperature
-30 … +60 °C
Storage temperature
-30 … +85 °C
Standards
Emission
EN 55022/B
Immunity
ETS 300 342
Safety
EN 60950
RS485 specifications
(EN 1434)
Max. devices (each 1,5 mA)
256
Max. bit rate
38400 bps
Short circuit strength
Permanent
Max. total cable length
(300Bd, 200nF/km)
1200 m
8.7
Delivery identification
Trade name
Type name
Power supply
XC-RS485/422
XC-485-422
Internal or external supply
Table 21: RS485/422
Technical specifica-
tions
Table 22: 485/422 de-
livery identification
Figure 25: Example of
expansion port
RS485/422 label