User manual

6 Detailed descriptions of I/O modules | Analogue output module UR20-4AO-UI-16
304 1432790000/08/12.2015Manual u-remote
4AO-UI
Module status LED
Green: Communication over the system bus
Red: Collective error diagnostic
1.1 Red: Channel 0 at voltage output: overload or short circuit,
at currentoutput: shunt resistance too high or line break detected
2.1 Red: Channel 1 at voltage output: overload or short circuit, at
currentoutput: shunt resistance too high or line break detected
3.1 Red: Channel 2 at voltage output: overload or short circuit, at
current output: shunt resistance too high or line break detected
4.1 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
AO 1 +
Sense 1 +
Sense 1 –
AO 1 –
AO 0 +
Sense 0 +
Sense 0 –
AO 0 –
AO 0 +
Sense 0 +
Sense 0 –
AO 0 –
AO 1 +
Sense 1 +
Sense 1 –
AO 1 –
AO 2 +
Sense 2 +
Sense 2 –
AO 2 –
AO 3 +
Sense 3 +
Sense 3 –
AO 3 –
AO 2 +
Sense 2 +
Sense 2 –
AO 2 –
AO 3 +
Sense 3 +
Sense 3 –
AO 3 –
1
2
3
4
Block diagram UR20-4AO-UI-16