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Wiring Details
4-20 mA Current Sourcing Output Wiring
4-20 mA Current Sourcing Output Wiring
The transmitter supplies the loop current. The maximum impedance
supported by the loop is 400 ohms. To enable this configuration, the
three jumpers must be placed on positions 1-2, 3-4 and 5-6 at distinct
outputs J16 through J23.
WARNING
U31
1
J16
J17
+
-
+
+
16
Wiring Details
A dedicated power supply must be used with each unit.
Considerable damage may occur if this condition is not strictly
met.
1
1
1
1
J18
J19
J20
-
+
-
+
+
-
+
OUTPUT 1 - 8
+
+
+
DDC System
420I User Manual
Honeywell
1
1
1
J21
J22
J23
+
-
-
-
-
+
+
+
+
+
J7
J12
J8
RC
P.U.
R
B
A
V
SHIELD
-
Power Supply
P.D.
- V
+
24 Vac
511399
2/07
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