User manual

Detailed descriptions of I/O modules | Analogue output module UR20-4AO-UI-16
192 1432790000/03/02.2014Manual u-remote
4AO-UI
Module status LED
Green: Communication over the system bus
Red: Collective error diagnostic
1.2
Red: Channel 0 at voltage output: overload or short circuit,
at currentoutput: shunt resistance too high or line break detected
2.2
Red: Channel 1 at voltage output: overload or short circuit, at
currentoutput: shunt resistance too high or line break detected
3.2
Red: Channel 2 at voltage output: overload or short circuit, at
current output: shunt resistance too high or line break detected
4.2
Red: Channel 3 at voltage output: overload or short circuit, at
current output: shunt resistance too high or line break detected
LEDindicatorsUR20-4AO-UI-16,errormessagesseeChapter13
16 Bit
System
bus
U
SYS
U
IN
U
OUT
µC µC
A
D
A
D
A
D
A
D
DC
DC
UR20 4AO-UI
AO1 +
Sense1 +
Sense1 –
AO1 –
AO0 +
Sense0 +
Sense0 –
AO0 –
AO2 +
Sense2 +
Sense2 –
AO2 –
AO3 +
Sense3 +
Sense3 –
AO3 –
1
2
3
4
BlockdiagramUR20-4AO-UI-16