U-ONE
®
-SAFETY Compact
Configuration manual SCU C / SRC C / SGS C
USC42_SCU-KonfigManual-en_R5
19
5.3.1 Calibration
1. Select the desired unit via the pulldown menu
2. Enter the values for the system limits and the calibration point (preset).
The following constraint applies:
Lower system limit < calibration point < upper system limit
3. Enter calibration factor. For information on calculating the calibration factor see Chap.
5.3.3.
4. To save values to the USC 42 click , see Chap. 5.4.
5. Move to the calibration point (preset), shut down the drive and click the button.
Thecurrent position is saved as the calibration point.
6. To complete the calibration procedure click button. The USC 42 is
calibrated and can now be configured.
5.3.2 Determining the calibration factor with two calibration points
1. Enter calibration point 1 and calibration point 2.
The following constraints apply:
•
Lower system limit < calibration point 1
•
Calibration point 1 < calibration point 2
•
Calibration point 2 < upper system limit
2. Move to calibration point 1 and shut down the drive,
click the button . The current position is saved as calibration point 1.
3. Move to calibration point 2 and shut down the drive, click the button . The
current position is saved as calibration point 2.
4. The calibration factor has been calculated, saved to the clipboard and can now be in-
serted in the appropriate dialog box.
5.3.3 Determining the calibration factor by calculation
Calibration factor = (device shaft rotations) x 8192 / Actual path in number of plant units
Example:
34.5 m travel corresponds to 125.7 rotations of the device shaft.
Calibration factor = 125.7 x 8192 / 34.5 = 29847.37
Fig. 5-4:
Determining the calibration factor
