Eaton Electrical D77A - Manual (Page 46)

Intelligent Technologies ( IT.) D77A I/O Module Products
38 For more information visit: www.EatonElectrical.com 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