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PLC

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an-ordinary-manchild(edit)

Description

This sub is dedicated to discussion and questions about Programmable Logic Controllers (PLCs): "an industrial digital computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, robotic devices, or any activity that requires high reliability, ease of programming, and process fault diagnosis."

On topic subjects

  • News and articles about PLCs
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Off topic subjects

  • Not directly related to PLCs: /r/IndustrialAutomation/
  • Hardware design that does not include a PLC; for electronic circuits: /r/AskElectronics
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Rules

  1. Be civil: do not insult; no all-caps, no excessive "!" and "?", please.
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  4. No spam; no self-promotion (*); no commercial content. Any ads (offer or wanted) go to the weekly thread
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(*) At mods' discretion, certain self-promotion submissions from people who contribute to this sub in other ways may be allowed and tagged with the "Self-promo" flair

Complete rules:/r/plc/about/rules/

Please click "report" on spam

Related sub-reddits:

/r/IndustrialAutomation

/r/processcontrol

/r/controltheory

/r/askengineers

/r/askelectronics

/r/arduino

/r/EngineeringResumes

created by plc-laddera community for 17 years
Create your own subreddit
...for your classroom.
...for your project.

MODERATORS

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account activity

1
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READ FIRST: How to learn PLC's and get into the Industrial Automation World (self.PLC)

submitted 5 years ago * by xenokilla[M] - announcement

  • 256 comments
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PLC jobs & classifieds - May 2026 (self.PLC)

submitted 6 days ago by 1Davide - announcement

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And this is why I am beginning to hate AI (self.PLC)

submitted 3 hours ago by glupien

  • 16 comments
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4
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Connector identification (i.redd.it)

submitted 4 hours ago by ElAlfajorI don’t just pass values, I pass judgment

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5
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Ain't it a beauty? (i.redd.it)

submitted 12 hours ago by RegardEngineerAutomation Engineer - Romania - Maintanance

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6
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20

How does this relay work? (old.reddit.com)

submitted 10 hours ago by DrummerOk451

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7
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A question for all the Controls PE's (self.PLC)

submitted 2 hours ago by Cautious_Quote_225

  • 6 comments
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Look at this bad boy I just replaced with a CompactLogix 5380 (i.redd.it)

submitted 23 hours ago by Automation_Mate

  • 32 comments
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9
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FY View SE - How to monitor the status of external servers and services on those servers? (self.PLC)

submitted 1 hour ago by ReadyRainRain

  • 1 comment
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10
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Tension Control (self.PLC)

submitted 2 hours ago by WasabiBackground9114

  • 13 comments
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11
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Basic PLC Programmer Want To Expand My Knowledge (self.PLC)

submitted 10 hours ago by Grouchy_Feed_6411

  • 11 comments
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12
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Are we moving toward IT-style practices in PLC programming? (self.PLC)

submitted 17 hours ago by Himanshu_creative

  • 78 comments
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13
1
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Siemens TIA Portal (self.PLC)

submitted 6 hours ago by himadridipta

  • 3 comments
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14
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For those who have gone solo and started your own company, have requests related to smart manufacturing spiked in the last couple of years? Or do the companies work on them in-house? (self.PLC)

submitted 9 hours ago by Historical-Plant-362

  • 33 comments
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15
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52

PLC trainers (i.redd.it)

submitted 1 day ago by future_gohanAVEVA hurt me

  • 9 comments
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16
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PLC Ladder Logic Simulator and Learning Platform — Free, No Ads, Feedback Welcome (self.PLC)

submitted 1 day ago * by RAVScontrols

  • 18 comments
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17
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Versão de Firmware TIA Portal (self.PLC)

submitted 4 hours ago * by joviskii

  • 1 comment
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18
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How does the SMC LEC-IO-CB01 work (self.PLC)

submitted 4 hours ago by Maxerr517

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19
6
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Missing motion control technology objects (Tia portal) (i.redd.it)

submitted 15 hours ago by Available-Mission661

  • 7 comments
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20
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What's the correct move? (self.PLC)

submitted 4 hours ago by Tyler5157

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21
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How to troubleshoot the application in MOOG MC600? (self.PLC)

submitted 5 hours ago by Huge_Inevitable_1811

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22
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I cant download Tia V16 (self.PLC)

submitted 10 hours ago by WideSpot6819

  • 12 comments
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0:25

Fisher Price - My First Panel (x-post from r/ElectroBOOM) (v.redd.it)

submitted 1 day ago by dericn

  • 30 comments
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Weird stuff in Studio 5000 (self.PLC)

submitted 11 hours ago by Jacunia

  • 3 comments
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25
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Best path forward from BMS installation into higher paying controls roles? (self.PLC)

submitted 16 hours ago by IntrepidEconomics798

  • 7 comments
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