# Jogging motors from a mobile device (safety considerations)

**URL:** <https://forum.inductiveautomation.com/t/jogging-motors-from-a-mobile-device-safety-considerations/54223>\
**Category:** General Discussion\
**Tags:** ignition81, perspective\
**Created:** [December 16, 2021, 10:47pm UTC](https://forum.inductiveautomation.com/t/jogging-motors-from-a-mobile-device-safety-considerations/54223 "2021-12-16T22:47:01Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [December 16, 2021, 11:01pm UTC](https://forum.inductiveautomation.com/t/jogging-motors-from-a-mobile-device-safety-considerations/54223/2 "2021-12-16T23:01:10Z")

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HMIs are notorious for stuck bits. Mostly due to the unreliable nature of TCP/IP. Made worse with SCADA packages because the comms make two TCP/IP hops, not just one. (HMI =\> Gateway =\> PLC.)

I wouldn't do it.

See this (rather contentious post) for more background:

> [@Very Concerning Read/Write Issues. Important information for all users](https://forum.inductiveautomation.com/t/very-concerning-read-write-issues-important-information-for-all-users/18583):
>
> Hello Ignition Members, Disclaimer - All of our senior designers/programmers are qualified for their jobs where I work. These problems are described as I see them, they may not be exactly what happened. Therefor they are to be used for troubleshooting the issue only. Thank you. We are in contact with some ignition developers and are desperately trying to fix this problem. This is a GLOBAL problem therefore it won’t be affecting just us. It may be affecting anyone who is using ignition well. Ti…

Also search this forum for "momentary".

Note that much of the material and available work-arounds are focused on the Vision module. I don't know of any work-around or reliable momentary button functionality for Perspective (yet?).

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