K-System – Isolated Barriers
Product Specifications
20
20
-1
2
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 of
•
20 V DC to 90 V DC or
•
48 V AC to 253 V AC
•
Blue (4) indicates devices that process signals from the hazardous area
Figure 2.13 Color identification of devices
1
green
2
black
3
gray
4
blue
ESC
OK
KFU8-UFT-
Ex2.D
RS232
PWR
1
1
2
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
2
4
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.
2
1
3
4
