C440-COM-ADP Communication Module
C440/XTOE Electronic Overload Relay, DeviceNet MN04210002E—March 2011 www.eaton.com 11
Input Behavior
Each terminal of the field connection accepts two wires of
the following size:
Field Terminal Wire Capability
120 Vac Input Requirements
The 120 Vac input is an isolated input. It requires an external
AC supply to drive the inputs. There are three common tie
points provided for the four inputs.
120 Vac Inputs
120 Vac Input Specifications
Example: 120 Vac IO Module
Wire Type Wire Size Terminal Torque (in-lbs)
Solid Cu–90C #14–#22 4.5
Stranded Cu–90C #16–#22 4.5
Specification Value
Number of inputs 4
Nominal voltage 120 Vac
Nominal current 7mA
Operating range 80–140 Vac
Operating frequency 50/60 Hz
Signal delay maximum 30 ms
Input type IEC 61131-2, type 1 digital
–
–
–
–
–
Pin 1
NET
24 Vdc
I1
I2
I3
I4
I1
I2
I3
I4
C
NO
NC
C
C
C
NO
NO
C
C
C
C
Q1
Q2
Q1
Q2
120 Vac
AC/DC
Pin 12
AC/DC
Example: 120 Vac IO Module
All inputs are isolated.
All common terminals
connected together
internally.
C440 DeviceNet.book Page 11 Friday, March 25, 2011 10:41 AM
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