Rockwell-automation 21G PowerFlex 750-Series AC Drives Programming Man Manual de usuario Pagina 515

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Rockwell Automation Publication 750-PM001J-EN-P - October 2014 515
Integrated Motion on EtherNet/IP Appendix E
Motor Overload
There is a difference between how Kinetix handles an overload condition
compared to the PowerFlex755 drive. Kinetix is Motor Capacity whereas
PowerFlex 755 is Motor Overload.
The Motion attribute, Inverter Capacity, is a real-time estimate of the continuous
rated motor thermal capacity that is utilized during operation that is based on the
motor thermal model. A value of 100% would indicate that the motor is being
used at 100% of rated capacity as determined by the continuous current rating of
the motor.
The PowerFlex 755 parameter, P940 [Drive OL Count], indicates power unit
overload (I
2
T) in percentage. The value remains at 0 until 100% of Rated
Current is reached then the Overload measurement begins. When the value
reaches 100%, the power unit overload fault occurs.
P839 Psn Reg Kp 441 1B9 Kpp
P842 PsnReg IntgrlOut 437 1B5 Position Integrator Output
P843 PsnReg Spd Out 438 1B6 Position Loop Output
P847 Psn Fdbk 434 1B2 Position Feedback
P940 Drive OL Count 636 27C Inverter Capacity
(See See Motor Overload
on page 515)
P942 IGBT Temp C 641 281 Inverter Temperature
P944 Drive Temp C 640 280 Inverter Heatsink Temperature
Drive Integrated Motion
Parameter No. Parameter Name Base 10 Base 16 Integrated Motion on EtherNet/IP Instance
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