User manual

6 DetaileddescriptionsofI/Omodules| Digital output module UR20-4DO-PN-2A
178 1432790000/08/12.2015Manual 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 (sourcing or sinking)
2.1 Yellow: Output1 active, P or N-switching (sourcing or sinking)
3.1 Yellow: Output2 active, P or N-switching (sourcing or sinking)
4.1 Yellow: Output3 active, P or N-switching (sourcing or sinking)
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
24VDC
FE
DO 0
GND
24VDC
FE
DO 2
GND
24VDC
FE
DO 3
GND
24VDC
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