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K-System – Isolated Barriers
Product Specifications
2.4
Color Identification
The color identification of the devices has the following meaning:
•
Green (1) indicates devices with DC power supply.
•
Black (2) indicates devices with AC power supply.
•
Gray (3) indicates devices with AC/DC wide range supply.
•
Blue (4) indicates devices that process signals from the hazardous area.
Figure 2.14
1
green
2
black
3
gray
4
blue
1
2
3
1
4
5
6
4
KFD2-ER-Ex1.W.LB
KFA5-ER-Ex1.W.LB
OUT CHK PWR
OUT CHK PWR
sens.
sens.
7
8
9
7
10
11
12
10
13
14
15
13
1
2
Color identification of devices
1
2
3
4
5
6
2
3
5
6
KFU8-UFT-
Ex2.D
1
2
PWR
IN/
CHK
1
2
OUT
3
4
ESC
RS232
OK
7
8
9
10
11
12
8
9
13
14
15
16
17
18
11
12
19
20
21
22
23
24
14
15
3
4
15
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