K-System – Isolated Barriers
Product Specifications
DOCT-0187Y 2023-12
15
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 Color identification of devices
1 green
2 black
3 gray
4 blue
ESC
OK
KFU8-UFT-
Ex2.D
RS232
PWR1
12
3
2
4
IN/
CHK
OUT
19 21
15
9
13
7
20
14
8
22 24
18
12
16
10
23
17
11
1
3
24
6
5
KFD2-ER-Ex1.W.LB
1
3
4
6
2
5
13 15
12
9
10
7
14
11
8
OUT CHK PWR
sens.
KFA5-ER-Ex1.W.LB
1
3
4
6
2
5
13 15
12
9
10
7
14
11
8
OUT CHK PWR
sens.
21 3
4
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