User manual

6 Detailed descriptions of I/O modules | Analogue input module UR20-8AI-I-PLC-INT
283Manual u-remote1432790000/08/12.2015
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
4.1 Green: Supply voltage feed-in plug > 18VDC
4.2 Red: Error on the supply voltage of the feed-in plug
4.4 Red: Fuse for the sensor supply has been triggered
LEDindicatorsUR20-8AI-I-PLC-INT,errormessagesseeChapter13
AI 0
•
•
•
•
•
•
AI 7
1
2
3
4
5
6
7
8
9
10
System
bus
U
SYS
U
IN
U
OUT
µC µC
MUX
24VDC IN
UR20 8AI-PLC-INT
A
D
AI 4
AI 5
AI 6
AI 7
GND
GND
24VDC
24VDC
24VDC
24VDC
24VDC
24VDC
AI 0
AI 1
AI 2
AI 3
24VDC
24VDC
24VDC
24VDC
24VDC
24VDC
GND
GND
1
20
1
2
Block diagram UR20-8AI-I-PLC-INT