User manual

6 Detailed descriptions of I/O modules | Digital interface module UR20-1SSI
382 1432790000/08/12.2015Manual u-remote
1SSI
Module status LED
Green: Communication over system bus
Red: Collective error diagnostic
1.1 Yellow: Data In active
2.1 Yellow: Clock In active
3.1 Yellow: Clock Out active
4.1 Green: Power supply sensor +5VDC
4.3 Green: Power supply sensor +24VDC
LEDindicatorsUR20-1SSI,errormessagesseechapter13
RS422
RS422
RS422
+5 V
GND
+24 V
FE
Data In+
Data In–
Clock In+
Clock In–
Clock Out+
Clock Out–
System-
bus
U
SYS
U
IN
U
OUT
µC
DC
DC
1
2
3
4
UR20-1SSI
J
Block diagram UR20-1SSI