![background image](http://html1.mh-extra.com/html/eaton/c441r/c441r_user-manual_3784996054.webp)
54
User Manual
MN04200002E
Effective January 2016
C441 Ethernet module user manual
(C441R, C441T, C441U, C441V)
EATON
www.eaton.com
7.3 Register Definition for the C440 Overload Relay
Table 100. Registers for the C440 Overload Relay
Start
Coil
Register
Read/
Write
Name
Description (Units)
1
1
R
Field Inputs
A Bitfield Representing the Input Points.
Bit = Description
0 = Input 1
1 = Input 2
2 = Input 3
3 = Input 4
- 2
R Control
Voltage
Adapter Source Voltage. ( mV )
- 3
R Ambient
Temperature
Device Ambient Temperature as
Measured from the PCB. ( ºC )
- 4
R/W
Max
Board
Temperature
The maximum board temperature experi-
enced since manufacturing. ( ºC )
65 5
R Dip
Switch
Value
A bit field representing the present state
of the dip switches.
- 6
R Configuration
CRC
A CRC value calculated over the non-
volatile data present.
-
7
R/W
Serial Number 32 bit Com Adapter Device Serial
Number.
-
9
R
Firmware Rev
Com Adapter Firmware Rev.
-
11
R/W
Hardware Rev Com Adapter Hardware Rev.
1601 101
R/W Field
Relay
Outputs
A Bitfield Representing the Output Points.
Bit = Description
0 = Output 1
1 = Output 2
- 102 R/W
Field
Inputs
Debounce
Array of Debounce Values. A debounce
value exists for each input. The
debounce applies to both rising and fall-
ing edge. ( milliseconds )
- 110 R/W
Modbus
TCP
Com Timeout
Communication Timeout for Modbus TCP.
0 = Disable. ( milliseconds )
1761 111
R/W Field
Relay
Fault Action
When a communication fault occurs the
relays can execute two types of behavior.
The behavior is selected on a per bit
basis.
Bit = Description
0 = Relay 1
1 = Relay 2
Bit Value = Description
0 = Apply Fault Value
1 = No Change
1777 112
R/W Field
Relay
Fault State
Communication fault value to be applied.
A bitfield where each bit defines an
output point.
Bit Value = Description
0 = Turn Relay Off
1 = Turn Relay On
1793 113
R/W Field
Relay
Idle Action
When a communication idle state occurs
the relays can execute two types of
behavior. The behavior is selected on a
per bit basis.
Bit = Description
0 = Relay 1
1 = Relay 2
Bit Value = Description
0 = Apply Idle Value
1 = No Change
1809 114
R/W Field
Relay
Idle State
Communication idle value to be applied.
A bitfield where each bit defines an
output point.
Bit Value = Description
0 = Turn Relay Off
1 = Turn Relay On
-
143
R
Method of IP
Allocation
The Method Used to Allocate an IP
Address:
0 - DHCP
1 - Upper three octets from NV and lower
octet selected by the dip switch setting.
2 - Full address taken from NV Memory.
3 - Restore (hardcoded 192.168.1.254).
Table 100. Registers for the C440 Overload Relay (Cont.)
Start
Coil
Register
Read/
Write
Name
Description (Units)
- 144 R Present
Ethernet IP
Address
The active IP address being used on the
network.
- 146 R Present
Ethernet
Subnet Mask
The active subnet mask IP address being
used on the network.
- 148 R Present
Ethernet
Default
Gateway
The active default gateway IP address
being used on the network.
- 150 R/W
Stored
Ethernet IP
Address
The IP address used in the NV address
select configuration.
- 152 R/W
Stored
Ethernet
Subnet Mask
The IP subnet mask used in the NV
address select configuration.
- 154 R/W
Stored
Ethernet
Default
Gateway
The IP default gateway used in the NV
address select configuration.
- 156 R/W
Ethernet
MAC
Address
-
3201 201
R
Intercom
Status
Present State of the Intercom Link.
Bit - Status
0 - Connected fully. No error messages.
1 - A message fault occurred.
2 - Devices are married. Target is identi-
fied and correct.
3 - A basic connection is established.
4001 251
R/W Motor
Ctrl
Idle Loss Act
Disable
When this value is TRUE the motor state
will be unchanged after a communication
idle event. A FALSE value will cause the
Motor Control Communication Idle Value
to be applied on a com idle event.
4017 252
R/W Motor
Ctrl
Com Idle
Action Val
Action to execute when a communication
loss event occurs.
0 = Ignore (No Change)
1 = Stop
4033 253
R/W Motor
Ctrl
Com Loss Act
Disable
When this value is TRUE the motor state
will be unchanged after a communication
loss event. A FALSE value will cause the
Motor Control Communication Loss Value
to be applied on a com loss.
4049 254
R/W Motor
Ctrl
Com Loss
Action Val
Action to execute when a communication
loss event occurs.
0 = Ignore (No Change)
1 = Stop
- 255
R/W
EtherNet/
IP Comm
Timeout
EtherNet/IP communication timeout
Range: 0–60,000 ms
Default: 3000 ms
- 256
R/W
Encapsu-
lation
Inactivity
Timeout
Number of seconds of inactivity before
TCP connection is closed
- 300 R Motor
Ctrl
State
Motor Control States:
0 = Stopped
1 = Running
2,3 = Tripped
4 = Resetting
- 301 R Scaled
Current
Phase A RMS
Scaled RMS Current Phase A ( Amps )
- 302 R Scaled
Current
Phase B RMS
Scaled RMS Current Phase B ( Amps )
- 303 R Scaled
Current
Phase C RMS
Scaled RMS Current Phase C ( Amps )
- 304 R Scaled
3Phase
Ave Current
Average of the 3 Scaled RMS Currents
( Amps )
- 305 R Thermal
Memory
Percentage
Present Thermal Value. 100% equates to
a trip condition. ( % )