PROFIBUS I/O Parameters
26 C441 PROFIBUS Module User Manual MN042002EN—July 2015 www.eaton.com
C441 Motor Insight Overload Protection Relay
Table 21. C441 Motor Insight Available IO Data for Cyclic Polling
IO Size (in bytes) Configuration Modules Notes
N/A 0 C441 Motor Insight Base Base module for C441 Motor Insight protective 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 MI Configuration Reset 0x0001 = Soft Reset (power cycle)
0x0002 = Factory Reset
Note: Configuration reset will clear after write
output 2 MI Command Register 0x0066 = Clear Motor Run Hours
0x0077 = Clear Fault Queue 1
0x0078 = Clear Fault Queue
0x0088 = Network watchdog enable
0x0099 = Network watchdog disable
0x00AA = Reset Relay
0x00BB = Clear Motor Start Count
0x00CC = Force Ground Fault
0x00DD = Relay OFF
Note: Command register will clear after write
input 2 MI Run-Time Hours (Run Time can be reset via the MI Command Register)
input 2 MI Start Count Start Count can be reset via the MI Command Register
Table 22. C441 Motor Insight Available IO Data for Cyclic Polling (PROFIBUS)
IO Size (in bytes) PROFIBUS IO Modules Notes
input 2 MI RMS Current I1 Scaled current (0.01 amps)
input 2 MI RMS Current I2 Scaled current (0.01 amps)
input 2 MI RMS Current I3 Scaled current (0.01 amps)
input 2 MI RMS Current Ave Scaled current (0.01 amps)
input 2 MI RMS Voltage L1-L2 Volts
input 2 MI RMS Voltage L2-L3 Volts
input 2 MI RMS Voltage L3-L1 Volts
input 2 MI RMS Voltage Average Volts
input 2 MI Total Kilowatts kW x 100
input 2 MI Voltage Unbalance Percentage Max Deviation from Ave / Ave) x 100
input 2 MI Current Unbalance Percentage Max Deviation from Ave / Ave) x 100
input 2 MI Apparent Power Factor Power Factor x 100 (inductive 0–100)
input 2 MI Residual GND I (deciamps) Amps x 100
input 2 MI Line frequency Hz x 100
input 2 MI Thermal Pile Percentage 0% cold, 100% = overload trip (0–255)
input 20 MI Active Fault Queue Last 10 faults
input 2 MI Supply Flt-Remaining Rstart Dly Seconds remaining before fault can be reset
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