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Monitoring functions and protective functions
9.5 Thermal motor protection
Drive functions
664
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
Sensor monitoring for wire breakage/short-circuit
●
A sensor monitoring function for a short-circuit in the sensor cable is possible for a PTC
and a PT1000 or KTY84 sensor. Wire breakage monitoring is possible for a PT1000 or
KTY84 sensor:
If the temperature value lies outside the specified range of -140
°C ... +250
°C, then it is
probable that the sensor cable either has a broken wire or short-circuit. The alarm
A07015 "Drive: Motor temperature sensor alarm" is initiated. After the wait time in p0607
has expired, fault F07016 "Drive: Motor temperature sensor fault" is output.
●
If an induction motor is connected, you can suppress fault F07016 by setting p0607 = 0.
The drive then continues to operate with the data calculated in the thermal 3-mass model.
●
If the motor temperature sensor set in p0600 is not connected, alarm A07820
"Temperature sensor not connected" is triggered.
9.5.12
Function diagrams and parameters
Function diagrams (see SINAMICS S120/S150 List Manual)
•
8016
Signals and monitoring functions - thermal monitoring motor, Mot_temp ZSW
F/A
•
8017
Signals and monitoring functions - motor temperature model - 1 (I2t)
•
9576
Terminal Module 31 (TM31) - Temperature evaluation
•
9605
Terminal Module 120 (TM120) - Temperature evaluation, channels 0 and 1
•
9606
Terminal Module 120 (TM120) - Temperature evaluation, channels 2 and 3
•
9625
Terminal Module 150 (TM150) - Temperature evaluation structure (channel 0
... 11)
•
9626
Terminal Module 150 (TM150) - Temperature evaluation 1x2-, 3-, 4-wire
(channel 0 ... 5)
•
9627
Terminal Module 150 (TM150) - Temperature evaluation 2x2-wire
(channel 0 ... 11)
Overview of important parameters (see SINAMICS S120/S150 List Manual)
•
r0034
CO: Thermal motor load
•
r0035
CO: Motor temperature
•
r0068
CO: Absolute actual current value
•
p0318[0...n]
Motor stall current
•
p0600[0...n]
Motor temperature sensor for monitoring
•
p0601[0...n]
Motor temperature sensor type
•
p0602
Parallel connection power unit number temperature sensor
Содержание SINAMICS S120
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Страница 24: ...Contents Drive functions 24 Function Manual 11 2017 6SL3097 4AB00 0BP5 ...
Страница 202: ...Servo control 4 21 Voltage precontrol Drive functions 202 Function Manual 11 2017 6SL3097 4AB00 0BP5 ...
Страница 296: ...Vector control 5 23 Asynchronous pulse frequency Drive functions 296 Function Manual 11 2017 6SL3097 4AB00 0BP5 ...
Страница 312: ...V f control vector control 6 5 Vdc control Drive functions 312 Function Manual 11 2017 6SL3097 4AB00 0BP5 ...
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Страница 1044: ...Appendix A 2 Documentation overview Drive functions 1044 Function Manual 11 2017 6SL3097 4AB00 0BP5 A 2 Documentation overview ...
Страница 1082: ...Appendix A 7 Functions of SINAMICS S120 Combi Drive functions 1082 Function Manual 11 2017 6SL3097 4AB00 0BP5 ...
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