User manual

Detailed descriptions of I/O modules | Digital output module UR20-4DO-PN-2A
108 1432790000/03/02.2014Manual u-remote
4DO-PN-2A
Module status LED
Green: Communication over the system bus
Red: Collective error diagnostic
1.1
Yellow: Output0 active, p- or n-switching
2.1
Yellow: Output1 = 100 %, p- or n-switching
3.1
Yellow: Output2 = 100 %, p- or n-switching
4.1
Yellow: Output3 = 100 %, p- or n-switching
LEDindicatorsUR20-4DO-PN-2A,errormessagesseeChapter13
DO_0
•
•
DO_3
1
2
3
4
1
2
3
4
1
2
3
4
DO_1
GND
24 V DC
FE
DO_0
GND
24 V DC
FE
DO_2
GND
24 V DC
FE
DO_3
GND
24 V DC
FE
UR20 4DO-PN-2A
System
bus
U
SYS
U
IN
U
OUT
µC
1
2
3
4
24V DC⎽OUT
FE
GND⎽OUT
GND
BlockdiagramUR20-4DO-PN-2A