ZEN-LOG-MAN-16V03 (0930)
Copyright © 2016 Define Instruments
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Connection Example for Millivolt & Voltage Inputs for 2, 3 & 4 Wire
Transmitters
Power
Supply
2-Wire
Transmitter
3-Wire
Transmitter
4-Wire
Transmitter
+24V Supply
Input
Channel
Input
Channel
Input
Channel
Output −
Output −
B+
B–
B+
B–
B+
B–
Note 1
Each voltage input must not see
more than 18V peak between the nega-
tive and the input, otherwise permanent
damage may occur.
Note 2
All cables must be screened, with
screen earthed at one end only.
Note 3
Do not run input cables in close
vicinity to noisy power supplies, contac-
tors or motor cables. The best practice is
to run input cables on a separate earthed
cable tray. This will minimise RFI effects,
of which magnitude cannot be easily
predicted.
