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Do-It-Yourself (DIY) Question & Answer Forum
Portable tool station elecctrics, Saftey advice help
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<blockquote data-quote="M107" data-source="post: 438560" data-attributes="member: 28"><p>None yet, but this thread got me looking at PLC's &amp; on line simulators.</p><p></p><p>I was thinking using proximity switches &amp; logic to allow one tool to operate only when other proximity switches are closed (tools in a holder) so of 4x proximity switches as inputs, 3x have to be closed to allow any 1x output to work .</p><p></p><p>Much the same as the theory behind the easy switch system &amp; contactors.</p><p></p><p>Then thought I know very little about PLC's...... &amp; it would give me something to do learning about them while Mrs 107 watches carp TV <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="M107, post: 438560, member: 28"] None yet, but this thread got me looking at PLC's & on line simulators. I was thinking using proximity switches & logic to allow one tool to operate only when other proximity switches are closed (tools in a holder) so of 4x proximity switches as inputs, 3x have to be closed to allow any 1x output to work . Much the same as the theory behind the easy switch system & contactors. Then thought I know very little about PLC's...... & it would give me something to do learning about them while Mrs 107 watches carp TV :D [/QUOTE]
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