590 governor repair
Steel plate shearing equipment
Model: Continental 590P speed
Fault causes: on the electricity to run PULSE MISSING alarm
Fault analysis: 590 customers in steel plate shear feeding governor is used, according to the customer‘s fault prompt is alarm occurs at startup, fault of six pulse armature current loss of a pulse waveform, the motor load is more than 1.5 times the DISCONTINUOUS (discontinuous point) value, start the alarm. Fault causes are: harmonic interference, trigger board fault, plug loose, controlled silicon damage. After the measurement of the external fault to the governor of the drive to measure the output waveform at run time has obvious asymmetry. Measurement of the drive circuit to exclude the motherboard problem for the control of silicon measurement, the power on line measurement found that the drive IC is damaged. Replacement with load test after lifting.
590 European governor alarm may cause
Accts failed missed the current transformer fault current transformer
Abort Autotune automatic tuning failure automatic tuning extended out of flexibility
Automatic tuning error of Errot Autotune automatic tuning error
Power fail AUX auxiliary power failure assisted self inspection to the problem
Fail Checksum (Eeprom) verification and failure
Config Enable configuration is effective to select the effective state
Failed Encoder encoder fault encoder signal fault
Alarm Encoder encoder alarm
Fail Field excitation fault excitation current is too low
Excitation current of over Field 1 excitation over current motor
Word Health normal word
Store Health normal storage
Trip Heatsink radiator overheating trip radiator overheated
FBK CAL fail IA armature current self-test failure
Inst CAL fail IA armature current self-test failure
Checksum fail Language language to choose the wrong way
Pluse Missing missing pulse missing armature current pulse
I trip Over over current tripping motor armature over current
Speed Over speeding motor
Volts Over overvoltage motor armature overvoltage
Lock Phase phase locked loop AC synchronous failure
Fault Pre-Peady prepared to lack
State P3 P3 port status warning
FBK alarm Speed speed feedback alarm
Trip Stall blocking switch trip motor blocking time out trip
Thermistor thermistor motor overheating
Reset Trip trip reset
Failed 3-Phase 3 phase fault No 3 phase power supply
Voltage feedback control
By measuring the excitation voltage feedback voltage as a feedback control of excitation voltage, it can through the constant voltage terminal voltage, but not constant current, therefore not constant field excitation, control of the motor is not very ideal. In 590, the excitation control mode is selected as the "voltage control", and the excitation flux weak magnetic start will be locked automatically by the system.
Two, current feedback control
Current feedback is used to measure the excitation current as the feedback of the exciting current, which can be used to constant current exciting current. In 590, the excitation control mode is selected as the "current control", and the excitation flux is weak.
Three, European 590 governor repair table
1, European OVERSPEED 590 governor repair of overspeed alarm: speed exceeds the rated speed of the 125% feedback start alarm, fault in the loss of speed feedback signal. For example, the simulation test motor damage, break, wiring, etc..
2, European MISSING 590 PULSE governor repair missing pulse: six pulse waveform of armature current loss of a pulse, the motor load is more than 1.5 times the DISCONTINUOUS (discontinuous point) value, start the alarm. Fault causes are: harmonic interference, trigger board fault, plug loose, controlled silicon damage.
3, European FIELD 590 governor OVER I maintenance of excitation overcurrent alarm: motor excitation current exceeds the calibration value 120% to activate the alarm, fault: circuit board fault excitation trigger control circuit tuning, poor motor excitation coil fault.
4, European HEATSINK 590 governor repair TRRIP radiator overheat alarm: radiator temperature speed is too high.
5, European 590 governor repair THERMISTOR external thermistor warning: the motor temperature is too high. Terminal C1, C2 open circuit.
6, European OVER 590 governor repair VOLTS (VA) overvoltage alarm: loose armature voltage wiring error, excitation voltage setting error, excitation current loop, weak magnetic EMF loop, speed loop control bad, will appear over voltage alarm.
7, European 590 SPD FEED BACK speed governor repair: the difference between the feedback speed feedback alarm and armature voltage feedback is greater than the speed feedback alarm level "value. If the "weak magnetic start" is started, when in the weak magnetic field, the speed feedback is less than 10%. Will start the alarm. Fault: speed motor wiring polarity counter, encoder sign of incorrect polarity (set in parameter), the motor speed and the speed loop encoder fault, poor regulation, simulation speed calibration board and encoding board failure etc..
8, European ENCODER 590 governor repair FAILED encoder fault: the encoder is damaged, broken loose wiring, etc..
9, European FIELD 590 governor repair FAILED excitation fault; in excitation control mode when the excitation current is less than 6% of the rated current; the voltage control mode when the excitation current is less than 50mA, start excitation alarm. The reasons are as follows: the excitation power supply connection or the output circuit open circuit, the three-phase power supply and the excitation connection reverse phase, the excitation module fault, the trigger fault. If it is permanent magnet motor, it is necessary to adjust the "excitation energy" to prohibit.
10, European 590 governor repair 3 PHASEFAILED three-phase circuit fault: three-phase power supply fault, open circuit, phase. fault