PROFIBUS I/O Parameters
28
C441 PROFIBUS Module User Manual
MN042002EN—July 2015
www.eaton.com
C440 Overload Protection Relay
Table 23. C440 Available IO Data for Cyclic Polling
IO
Size (in bytes)
Tag
Description
N/A
0
C440 Overload Base
Base Module for the C440 Overload Relay.
Note
: Base module must be loaded into slot 1 of the configuration.
This MUST be the first module listed in the configuration.
Output
1
Com Adapter Outputs
0x01 = Turn on Relay1
0x02 = Turn on Relay2
Input
1
Com Adapter Inputs
0x01 = I0 enabled
0x02 = I1 enabled
0x04 = I2 enabled
0x08 = I3 enabled
Input
1
Com Adapter Status
0x0001 = Adapter Connected
0x0002 = Message Error
0x0004 = Adapter Married
Output
2
C440 Command Register
0x0001 = Trip C440
0x0002 = Reset C440
Input
1
C440 Motor Control Status
0 = Stopped
1 = Running
2 = Tripped
Input
2
C440 Present Faults
Bit Feature
0 = Overload Fault
1 = Phase Imbalance
2 = Phase Loss Fault
3 = Ground Fault
4 = Network Trip Command
5 = NV Memory Failure
6 = Reserved
Input
2
C440 RMS Current I1
Scaling: value in 0.01 amps
Input
2
C440 RMS Current I2
Scaling: value in 0.01 amps
Input
2
C440 RMS Current I3
Scaling: value in 0.01 amps
Input
2
C440 RMS Current Ave
Scaling: value in 0.01 amps
Input
1
C440 FLA Current %
Presents the average current as a percent of the FLA setting
Input
1
C440 Used Thermal Pile %
Present thermal capacity (100% equates to a trip condition)
Input
2
C440 FLA Setting
The present FLA setting (the potentiometer selects this value)
Input
1
C440 Overload Trip class
The present FLA trip class
Input
1
C440 Phase Imbalance %
Percent of measured phase imbalance
Input
2
C440 GND Fault Current
Scaling: value in 0.01 amps
Input
1
C440 GND Fault %
Percent of ground fault measured: GF% = GFC/([0.5]*FLA)
