User manual

Detailed descriptions of I/O modules | Analogue input module UR20-8AI-I-PLC-INT
187Manual u-remote1432790000/03/02.2014
7
6
5
4
2
3
1
0
8AI-PLC
Module status LED
Green: Communication over the system bus
Red: Collective error diagnostic
0 Red: channel error
1 Red: channel error
… …
7 Red: channel error
24V DC
24V DC
GND
GND
LEDindicatorsUR20-8AI-I-PLC-INT,errormessagesseeChapter13
AI_0
•
•
•
•
•
•
AI_7
1
2
3
4
5
6
7
8
System
bus
U
SYS
U
IN
U
OUT
µC µC
MUX
24 V DC⎽IN
UR20 8AI-PLC-INT
A
D
AI_4
AI_5
AI_6
AI_7
GND
GND
24 V DC
24 V DC
24 V DC
24 V DC
24 V DC
24 V DC
AI_0
AI_1
AI_2
AI_3
24 V DC
24 V DC
24 V DC
24 V DC
24 V DC
24 V DC
GND
GND
1
20
1
2
BlockdiagramUR20-8AI-I-PLC-INT