Weidmuller UR20-4DI-4DO-PN-FSOE Manual page 25

Module status LED
Green: Communication on system bus
3 s green/1 s red: Waiting for parameters
1 s green/1 s red: Waiting for acknowledgement by safety control
4DI-4DO
Red: Collective error diagnostic
1.1 Yellow: Input 0 active
1.3 Red: Error sensor supply or input 0 or input 1
1.4 Yellow: Input 1 active
2.1 Yellow: Input 2 active
2.3 Red: Error sensor supply or input 2 or input 3
2.4 Yellow: Input 3 active
3.1 Yellow: Output 0 active
3.2 Red: Error output 0
3.3 Yellow: Output 1 active
3.4 Red: Error output 1
4.1 Yellow: Output 2 active
4.2 Red: Error output 2
4.3 Yellow: Output 3 active
4.4 Red: Error output 3
LED indicators UR20-4DI-4DO-PN-FSOE, UR20-4DI-4DO-PN-FSOE-V2, error messages see Chapter 7
System
µC
bus
U
SYS
DC
DC
U
IN
24 V DC
GND
U
OUT
Block diagram UR20-4DI-4DO-PN-FSOE , UR20-4DI-4DO-PN-FSOE-V2
1484600000/04/06.2017
5 Detailed descriptions of safe modules | Digital in- and output module UR20-4DI-4DO-PN-FSOE, UR20-4DI-4DO-PN-FSOE-V2
µC
4x
2x
u-remote IP20 modules for functional safety manual
Config.
switch
µC
4x
DI 0
•
DI 0 (PN)
•
DI 3 1 AUX-O 0
Type 3
AUX-O 1
DI 1 (P)
DI 2 (PN)
AUX-O 2
2
DO 0
AUX-O 3
•
DI 3 (P)
•
DO 3 DO 0 (PN)
GND
3
DO 1 (P)
GND
DO 2 (PN)
GND
4
DO 3 (P)
DOx
GND
GND
25