Intelligent Technologies (
IT.
) D77A I/O Module Products
38
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MN05002001E
DC Inputs
DC Input modules are designed to operate with either sinking or sourcing devices. They are typically used with proximity sensors and
other solid-state devices. (
Figure 36
) Input modules may need to be installed relatively close to the sensor location. Refer to
DC Input
Module Specifications on page 9
for module details.
Figure 36: DC Input Wiring
a) Control Transformer
b) 24 VDC Power Supply
c) DC Input Module
d) Sinking Input Device
e) DC Sourcing Device
H1
H4
H3
H2
24VDC
10FU
C0
0
1
X1
X2
120VAC
NEU
-
-
-
+
+
+
JIC-0007
a
b
c
d
e
Summary of Contents for D77A
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