Eaton C441R - Page 25

25
User Manual MN04200002E
Effective January 2016
C441 Ethernet module user manual
(C441R, C441T, C441U, C441V)
EATON www.eaton.com
Class 4 (0x04): Assembly Object
Instance Count: 6
Instance List: 2, 50, 105, 107, 120, 130
Table 35. C440 Assembly Object Instance Attributes
Attrib NV Access
Data
Type Name Description
3 V Set/Get Array of
BYTE
Data Assembly Data. See sections
below for instance definition.
Table 36. Assembly Instance List:
Type Instance Usage Name
Output 2 Poll Basic Overload Output
Input 50 Poll Fault Status
Output 105 Poll Basic Overload Output w/Relay
Input 107 Poll Basic Overload Output w/IO
Input 120 Poll Status, Faults and Measurements
Input 130 Poll Full Status and Measurements
Assembly Instance Definitions:
Table 37. C440 Assembly Instance 2 (0x02): Basic Overload
Output
Byte
Offset
Word
Offset
Size
(bytes) Name Description
0 0 1 Basic
Overload
Output
Bit 2: Fault Reset
Total Assembly Size (bytes): 1
Table 38. C440 Assembly Instance 50 (0x32): Fault Status
Byte
Offset
Word
Offset
Size
(bytes) Name Description
0 0 1 Fault
Status
Bit 0: Faulted
Total Assembly Size (bytes): 1
Table 39. C440 Assembly Instance 105 (0x69): Basic Overload
Output w/Relay
Byte
Offset
Word
Offset
Size
(bytes) Name Description
0 0 1 Basic
Overload
Output w/
Relay
Basic Overload with Relays.
Bit 0 = Relay Output 1
Bit 1 = Relay Output 2
Bit 2 = Fault Reset
Bit 5 = Test Trip
Total Assembly Size (bytes): 1
Table 40. C440 Assembly Instance 107 (0x6B): Basic Overload
Output w/IO
Byte
Offset
Word
Offset
Size
(bytes) Name Description
0 0 1 Basic
Overload
Output w/IO
Basic Overload with Relays.
Bit = Description
0 = Faulted
2 = Relay Output 1
3 = Relay Output 2
4 = Input 1
5 = Input 2
6 = Input 3
7 = Input 4
Total Assembly Size (bytes): 1
Table 41. C440 Assembly Instance 120 (0x78): Status, Faults and
Measurements
Assembly includes the C440 status, faults, current and thermal value.
Word Size (bytes): 2
All data is little endian (low byte first).
Byte
Offset
Word
Offset
Size
(bytes) Name Description
0 0 2 Device
Status
Device Bit Array
Bit 0: Tripped
Bit 1: unused
Bit 2: Output #1
Bit 3: Output #2
Bit 4: Input #1
Bit 5: Input #2
Bit 6: Input #3
Bit 7: Input #4
Bit 8: Overload Power Lost
Bit 9: Comm Adapter Low Voltage
Bit 10: 1=Running, 0=Stopped or Tripped
Bit 11-15: Reserved
2 1 2 Latched
Faults
Faults are cleared when the device is
either reset by the network or detects
current flowing.
The fault bits are defined as follows:
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
4 2 2 Scaled 3
Phase Ave
Current
Average of the 3 Scaled RMS Currents
(Amps)
6 3 1 Thermal
Memory
Percentage
Present Thermal Value. 100% equates to
a trip condition. (%)
Total Assembly Size (bytes): 8