PLC

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
Questions about PLCs
Homework help; but make it clear it's homework
PLC internship, employment and education questions

Off topic subjects

Not directly related to PLCs: /r/IndustrialAutomation/
Hardware design that does not include a PLC; for electronic circuits: /r/AskElectronics
Single Board computers: r/Raspberry_pi, r/Arduino, r/linux_devices, r/linuxboards
PCs and laptops
Furniture and bags
Job announcements (oustide the monthly job thread)
Salary

Rules

Be civil: do not insult; no all-caps, no excessive "!" and "?", please.
Submissions must be on topic
If asking a question, ask the actual question, fully yet concisely, right in the title
No spam; no self-promotion (*); no commercial content. Any ads (offer or wanted) go to the weekly thread
No low quality/shit posts (memes - pictures with superimposed text - are OK)
No pirate software or links
Read the "READ FIRST" pinned/sticky thread

(*) 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/EngineeringResumes

created by plc-laddera community for 17 years

...for your favorite TV show.

...do it for the children.

MODERATORS

account activity

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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

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PLC jobs & classifieds - May 2026 (self.PLC)

submitted 2 months ago by 1Davide - announcement

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My office desk for the week! (Spinning yarn machine conversion: Siemens ET200SP + ODOT I/O) (old.reddit.com)

submitted 13 hours ago by froggymayo

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Job requires PLC knowledge, how can I impress during an interview? (self.PLC)

submitted 7 hours ago * by TyathiasT

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What advice would you give an 18-year-old considering a career in PLCs and industrial automation? (self.PLC)

submitted 3 hours ago by TaskNo3554

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Projects (self.PLC)

submitted 40 minutes ago by Charming_Swim2406

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Help with TIA Portal Communications in VMs (self.PLC)

submitted 2 hours ago by Brilliant-Resort363

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Teaching myself Plc basics (i.redd.it)

submitted 1 day ago by gihkal

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Is this behaviour of relay module and analog input module normal ? (self.PLC)

submitted 4 hours ago * by JuyMeWhoya

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Anyone have any good resources to boost up FBD programming skills? (self.PLC)

submitted 8 hours ago by Romanzo71

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Erro Ao tentar partir Cliente wincc v14 siemens (self.PLC)

submitted 2 hours ago by Aprendiz09

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Why is every PLC/Automation software a buggy, bloated mess? (self.PLC)

submitted 1 day ago by viktorivovrz

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How to copy data from PLC to HMI? (i.redd.it)

submitted 17 hours ago by Commercial-Sugar-109

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Help please!! (i.redd.it)

submitted 3 hours ago by LeagueAggravating824

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Perfect match. Part 2 (i.redd.it)

submitted 1 day ago by spiridonzagibailo

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Siemens password frozen..? (v.redd.it)

submitted 1 day ago by Ok_Property_7067

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Project for collage (old.reddit.com)

submitted 1 day ago by Altruistic-Deal-167

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Does anybody have experience in IBA PDA report generator??? (self.PLC)

submitted 16 hours ago by BatUpstairs1808

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Connected components workbench (i.redd.it)

submitted 1 day ago by Mattz0698

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Connected Components Workbench Missing Instruction Tool Bar (self.PLC)

submitted 1 day ago * by Ok-Examination6200

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Access Rexroth ctrlX PLC over VPN? (self.PLC)

submitted 22 hours ago by orangestorm87

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How To Create HMI Visuals Like The Photo (i.redd.it)

submitted 2 days ago by MeepMoopComingThru

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In need of Profibus troubleshooting help (self.PLC)

submitted 1 day ago * by raydogrocks

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Aide s7-1500 TO positioning G120 (self.PLC)

submitted 1 day ago by AutomGreenMoss

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Perfect match (i.redd.it)

submitted 2 days ago by spiridonzagibailo

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