AW T4 2 0 | U N I V E R S A L 4 - W I R E , D U A L- I N P U T T R A N S M I T T E R | O I/A W T4 2 0 - E N R E V. B
17
B
A
C
G
D
F
E
H
COMMUNICATIONS
Sensor 1
DC
L
N
version
+ –
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
L
External protective earth stud
Figure 11 Connecting the transmitter AC mains power supply