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Series 780S Instruction Manual Chapter 2 Installation
IM-78S-B 2-9
R load
4-20 out (+)
4-20 out (–)
12 VDC
to
36 VDC
Current
– +
1
2
15
16
NEMA 4X Enclosures
Figure 2-11. Isolated 4-20 mA Current Loop Connections
NEMA 4X Enclosures
4-20 out (+)
V out (–)
AUX PWR OUT
Jumper
Current
R load
(Common)
1
2
15
16
Figure 2-12. Non-Isolated 4-20 mA Current Loop Connections
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
4-20 out (–)
4-20 out (+)
R load
Current
+
–
Hazardous-Area Enclosures
12 VDC
to
36 VDC
Figure 2-13. Isolated 4-20 mA Current Loop Connections
R load
Current
Com
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Hazardous-Area Enclosures
4-20 out (–)
Jumper
Use either
Pin 4 or 14,
NOT BOTH
Figure 2-14. Non-Isolated 4-20 mA Current Loop Connections