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Software limit switch in TO_PositioningAxis

Created by: mamax at: 5/31/2021 11:41 AM (8 Replies)

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5/31/2021 11:41 AM	Rate (0)
mamax Advanced Member Joined: 6/22/2018 Last visit: 1/5/2026 Posts: 112 Rating: (1)	Hello, I work on a machine with stepper motors. I'm trying to add software poition limits but they don't work. Each time I exceed my limits. I redid a hardware compilation but nothing changes. Does anyone have an idea? My HMI controls the motor a jog mod. I don't know if it matters. I am on TIA V16 with a CPU S7-1211C and mon TO_PositioningAxis is V7.0 thank you so much Attachment Capture.PNG (350 Downloads)
	Young passionate programmer !
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5/31/2021 12:09 PM	Rate (0)
miami Platinum Expert Joined: 8/31/2005 Last visit: 12/16/2025 Posts: 2198 Rating: (331)	The manual says: Activated software limit switches act only on a homed axis. Is your axis homed (with MC_Home)?

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5/31/2021 12:21 PM	Rate (0)
mamax Advanced Member Joined: 6/22/2018 Last visit: 1/5/2026 Posts: 112 Rating: (1)	no i just have one MC_POWER and one MC_MoveJog
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5/31/2021 1:15 PM	Rate (0)
miami Platinum Expert Joined: 8/31/2005 Last visit: 12/16/2025 Posts: 2198 Rating: (331)	Home your axis with MC_Home and test again.

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5/31/2021 1:18 PM	Rate (0)
mamax Advanced Member Joined: 6/22/2018 Last visit: 1/5/2026 Posts: 112 Rating: (1)	i don't know which mod to use you have any idea?
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5/31/2021 1:21 PM	Rate (0)
mamax Advanced Member Joined: 6/22/2018 Last visit: 1/5/2026 Posts: 112 Rating: (1)	I tested with mode 0, its positions reset but I no longer know how to move my axes
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5/31/2021 1:46 PM	Rate (0)
miami Platinum Expert Joined: 8/31/2005 Last visit: 12/16/2025 Posts: 2198 Rating: (331)	As you did so far. The MC_MoveJog should work as before. Check the diagnostic of the TO. (specially the position of the axis), maybe you are already over the software limits.

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5/31/2021 3:05 PM	Rate (0)
mamax Advanced Member Joined: 6/22/2018 Last visit: 1/5/2026 Posts: 112 Rating: (1)	En mode 0, il remet ma position à zéro mais elle dépasse toujours les limites de position
	Young passionate programmer !
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5/31/2021 3:25 PM	Rate (0)
mamax Advanced Member Joined: 6/22/2018 Last visit: 1/5/2026 Posts: 112 Rating: (1)	ok I solved my problem, my axis was put to its limit and was blocked, you just have to do an MC_RRESET and you're done, thank you for your help
	Young passionate programmer !
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