Siemens SINAMICS S120 Commissioning Manual page 207

Procedure
Proceed as follows to configure the scaling:
1. Click on "Scaling".
The "Scaling TM31 analog input AI 0" dialog opens.
2. Enter the x and y values for 2 points of the scaling line:
– y2 = upper scaling value as a percentage. y2 = 100 % for x 2 = 10 V means for example,
– y1 = lower scaling value as a percentage. y1 = -100 % for x1 = -10 V means, for example,
– x1 = lower, input value to be scaled
– x2 = upper, input value to be scaled
3. Click on "Close" to confirm the settings.
Define filter for the analog input (optional)
Analog values are always subject to noise and interference. This noise and interference can be
suppressed using a filter.
The input signal can also be smoothed to suppress strong fluctuations or short-term peaks.
1. Enter the value for smoothing of the input signal in the "Smoothing" field.
This value smooths the input signal using a PT1 filter. However, a smoothing value which is
excessively high makes the input slow.
2. Enter the value for noise suppression in the "Noise suppression" field .
This suppresses the input signal noise according to the following function:
– |y-x| > noise suppression results in y = x
– |y-x| ≤ noise suppression results in y = y
Configuring wire-break monitoring (optional)
Wire-break monitoring is used when the basic configuration "[3] Unipolar current input
monitored (4 mA to +20 mA)" is set. In this case, the screen form is extended by 2 additional
input fields.
1. Enter the wire-break monitoring response threshold in the "Threshold" field.
If the threshold value is undershot for longer than the delay time, a wire break is detected.
2. Enter the delay time for wire-break monitoring in the field to the right of the "Threshold" field.
If the wire-break monitoring response threshold is fallen below for longer than the delay
time, then a wire break is detected.
Commissioning with Startdrive
Commissioning Manual, 06/2020, 6SL3097-5AA10-0BP2
that 10 V at the input corresponds to 100 % at the output.
that -10 V at the input corresponds to -100 % at the output.
The output value is set to the actual input value.
The output value retains its value.
5.7 Basic parameterization of the drive objects
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Commissioning
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