Table 56. System Monitoring; Table 55. Power-Based Monitoring - Eaton Power Xpert C445 User Manual

Chapter 7—Monitoring and Diagnostics

Table 55. Power-Based Monitoring

Parameter Name
Watts Total
VA Total
VARS Total
Power factor
Speed RPM
Torque
Efficiency percent
Real energy
Real energy (resettable)
Apparent energy
Apparent energy (resettable)
Reactive energy
Reactive energy (resettable)
Current demand value
Demand (resettable)
Peak demand time stamp
Demand window duration

Table 56. System Monitoring

Parameter Name
Motor state (current based)
Motor control status
Number of operating seconds
Operating seconds (resettable)
Time to trip overload
Time to reset overload
PTC status
Digital input status
Base Control Module relay status 0/1
Total motor run time
Total motor run time (resettable) Time in seconds
Last measured starting time
Number of starts
Number of starts (resettable)
Number of contactor operations
last hour
Latest run time
Thermal capacity
142 Power Xpert C445 Global Motor Management Relay MN042003EN—January 2019 www.eaton.com
Range/Units
Depends on frame size (watts)
Depends on frame size (Volt-Amps)
Depends on frame size (Vars)
0–100%, Scaled by 0.01% via fieldbus
Depends on motor (0.1 RPM)
Depends on motor (0.01 Nm)
PC tool in %, scaled by 0.01% via fieldbus Motor efficiency in percentage
Depends on frame size (0.1 kWh)
Depends on frame size (0.1 kWh)
Depends on frame size (0.1 kVAh)
Depends on frame size (0.1 kVAh)
Depends on frame size (0.1 kVARh)
Depends on frame size (0.1 kVARh)
Depends on frame size (watts)
Depends on frame size (watts)
Time in seconds
Time in minutes
Range/Units
0: stopped;
1: accelerating;
2: running
See table below
Time in seconds
Time in seconds
Time in seconds
Time in seconds
See table below
0/1
Time in seconds
Time in seconds
Number
Number
Number
Time in seconds
0–250%
Description
Total real power. 5% accuracy.
Total apparent power. 5% accuracy.
Total reactive power. 5% accuracy.
Apparent power factor in percentage. 1% accuracy.
Motor speed in RPM
Motor torque
Real energy scaled. 5% accuracy.
Real energy (resettable) scaled. 5% accuracy.
Apparent energy scaled. 5% accuracy.
Apparent energy (resettable) scaled. 5% accuracy.
Reactive energy scaled. 5% accuracy.
Reactive energy (resettable) scaled. 5% accuracy.
Latest estimate of the demand. 5% accuracy.
Peak demand, user resettable. 5% accuracy
Peak demand time stamp (in Unix time)
Demand window duration
Description
Current based motor state (independent of command)
Present motor control status bits
Number of operating seconds
Number of operating seconds (resettable)
Time for overload to reach trip threshold (100%)
Time for overload to reach reset threshold (thermal memory must drop below 75%)
PTC status
ON/OFF status of digital inputs.
Base Control Module relay status (output status)
Total motor run time in seconds
Total run time user (resettable)
The amount of time the motor took to reach up to speed on the last start.
Total number of motor starts
Number of starts (resettable)
Number of contactor operations during the last hour
Duration in seconds of the last start-to-stop motor run time
Thermal capacity in percent—overload trip occurs at 100%.