Limits: Difference between revisions
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Limits are points along an axis where motion is stopped. Usually this is to prevent an axis from moving beyond the scan envelope into a position where it can run into other parts or the side of a tank. | |||
=Hardware Limits= | =Hardware Limits= | ||
Hardware limits are physical switches that disable motion when triggered. They are usually placed at both ends of any Linear axis in the system. Limit indications are fed to the motion control and will be displayed in PVA TePla-OKOS software. | |||
=Software Limits= | =Software Limits= | ||
Some motion controllers allow the ability to set limits at an arbitrary point. If available, these can be programmed through the software. | |||
=Latches= | |||
Some axes without limits (e.g. Turntables) may have a Latch function that triggers a signal when the position of the axis reaches a certain point. This can be useful for determining a zero position on the axis. | |||
Latest revision as of 17:11, 27 February 2025
Limits are points along an axis where motion is stopped. Usually this is to prevent an axis from moving beyond the scan envelope into a position where it can run into other parts or the side of a tank.
Hardware Limits
Hardware limits are physical switches that disable motion when triggered. They are usually placed at both ends of any Linear axis in the system. Limit indications are fed to the motion control and will be displayed in PVA TePla-OKOS software.
Software Limits
Some motion controllers allow the ability to set limits at an arbitrary point. If available, these can be programmed through the software.
Latches
Some axes without limits (e.g. Turntables) may have a Latch function that triggers a signal when the position of the axis reaches a certain point. This can be useful for determining a zero position on the axis.