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{{Tuto Details | {{Tuto Details | ||
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|Description=<translate>How to test the function of a Beckhoff axis during commissioning</translate> | |Description=<translate>How to test the function of a Beckhoff axis during commissioning</translate> | ||
|Categories=Maintenance | |Categories=Maintenance | ||
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|Step_Title=<translate>Set any stepper motor drives</translate> | |Step_Title=<translate>Set any stepper motor drives</translate> | ||
|Step_Content=<translate>Any stepper drives connected using an EP7041 will need to be set up according to the procedure</translate> | |Step_Content=<translate>Any stepper drives connected using an EP7041 will need to be set up according to the procedure</translate> | ||
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{{Tuto Step | {{Tuto Step | ||
Version du 26 novembre 2019 à 18:43
How to test the function of a Beckhoff axis during commissioning
Difficulté
Moyen
Durée
2 heure(s)
Sommaire
- 1 Introduction
- 2 Étape 1 - Set any stepper motor drives
- 3 Étape 2 - Check Axis IDs
- 4 Étape 3 - Software
- 5 Étape 4 - Ensure axis is enabled
- 6 Étape 5 - Set Rough Absolute position
- 7 Étape 6 - Check Axis Direction - move slowly and short distance
- 8 Étape 7 - Check Scaling
- 9 Étape 8 - Ensure the movement is clear
- 10 Étape 9 - Reversing move - High Speed
- 11 Étape 10 - Move all axes in reversing mode
- 12 Étape 11 - Set the drive special parameters
- 13 Étape 12 - Test Datum Direction
- 14 Commentaires
Introduction
Étape 1 - Set any stepper motor drives
Any stepper drives connected using an EP7041 will need to be set up according to the procedure
Étape 2 - Check Axis IDs
Ensure the axis.mul file is set up with the same axis Ids as the TwinCAT project
Second number in axes.mul file
Étape 3 - Software
The following software setup needs to be done
- TwinCAT project setup with all io and axes linked
- Estop system reset
- Air on
- winMulti running in setup mode
Étape 4 - Ensure axis is enabled
- All 3 Enable signals
- 100% Override
- Axis Ready
Étape 5 - Set Rough Absolute position
On the functions tab, set the absolute position by eye.
This ensures the axis is in the correct place for test positioning
** Diagram for axis directions and distances **
Étape 6 - Check Axis Direction - move slowly and short distance
X and SX axis - positive is out of machine towards outfeed
Y axis - positive towards rear
Z axis - positive is up
R axis - positive is rotation downwards when looking from front of machine
SR Axis - positive is always anticlockwise looking from top
SY Axis - positive is
Relative move on axis slowly plus and minus to test direction
Direction changed in axes.mul, the parameter after the scaling factor
Étape 7 - Check Scaling
There is a possibility that the scaling factor could be different on the machine. this depends on how similar the setup was on the machine that the axes.mul was copied from.
Changes in gearboxes or motors will affect the scaling factor#
Simply mark the axis, move it a known distance and ensure it is correct.
Scaling changed using the formula
new scaling factor = old scaling * distance moved / distance required
Étape 8 - Ensure the movement is clear
- X and SX - No tools left in track overnight
- Z axis supports removed and air balanced
Étape 9 - Reversing move - High Speed
Reversing move on axis.
Set speed to the maximum for each axis
Target positions to stay well within the limitations (you have only guessed the actual position)
Étape 10 - Move all axes in reversing mode
Shakedown to ensure all axes move smoothly at full speed
Étape 11 - Set the drive special parameters
https://stuga.dokit.app/wiki/Specialised_Settings_for_Beckhoff_Drives
Étape 12 - Test Datum Direction
Draft
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