Function Diagrams And Parameters - Siemens Sinamics S120 Function Manual
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Monitoring and protective functions
8.5 Thermal motor protection
Sensor monitoring for wire breakage/short-circuit
● A sensor monitoring function for a short-circuit in the sensor cable is possible for a PTC
● If an induction motor is connected, you can suppress fault F07016 by setting p0607 = 0.
● If the motor temperature sensor set in p0600 is not connected, alarm A07820
8.5.16
Function diagrams and parameters
Function diagrams (see SINAMICS S120/S150 List Manual)
● 8016 thermal motor monitoring
● 8017 Thermal I2t motor model
● 9576 Terminal Module 31 - temperature evaluation (KTY/PTC)
● 9605 Terminal Module 120 - temperature evaluation, channels 1 and 2
● 9606 Terminal Module 120 - temperature evaluation, channels 3 and 4
● 9625 Terminal Module 150 - temperature evaluation structure (channel 0...11)
● 9626 Terminal Module 150 - temperature evaluation 1x2, 3, 4-wire (channel 0...5)
● 9627 Terminal Module 150 - temperature evaluation 2x2 conductor (channel 6...11)
Overview of important parameters (see SINAMICS S120/S150 List Manual)
● r0034 CO: Motor utilization
● r0035 CO: Motor temperature
● r0068 CO: Absolute current actual value
● p0318[0...n] motor stall current
● p0600[0...n] motor temperature sensor for monitoring
● p0601[0...n] motor temperature sensor type
● p0603 CI: Motor temperature signal source
● p0604[0...n] motor temperature alarm threshold
● p0605[0...n] motor temperature fault threshold
● p0606[0...n] motor temperature timer stage
450
and a KTY84 . Wire break monitoring is possible for a 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.
The drive then continues to operate with the data calculated in the thermal 3-mass model.
"Temperature sensor not connected" is triggered.
(KTY/PTC/bimetallic switch)
(KTY/PTC/bimetallic switch)
Function Manual, (FH1), 01/2012, 6SL3097-4AB00-0BP2
Drive functions
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