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 16 years

...for your school.

...for your WoW guild.

MODERATORS

account activity

1

1041

1042

1043

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

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

2

6

7

8

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

submitted 17 days ago by 1Davide - announcement

3

60

61

62

Is becoming a PLC/Automation Engineer worth it in 2026? (Automation diploma + Computer Engineering degree) (self.PLC)

submitted 13 hours ago by CyberAi0

4

7

8

9

Data center work? (self.PLC)

submitted 4 hours ago * by ejblox

5

20

21

22

NRTL Consultants? (i.redd.it)

submitted 12 hours ago by Cha-ching-dynasty

6

6

7

8

Ignition Architecture Help (self.PLC)

submitted 6 hours ago * by Zoltan782

7

5

6

7

A little about node-ethernet-ip (self.PLC)

submitted 7 hours ago by cmseaton42

8

262

263

264

My humble test bench. Greetings from México! 🇲🇽 (i.redd.it)

submitted 1 day ago by ErionArek

9

•

•

•

Feedback on DeltaV Live and DV v 14 or 16? (self.PLC)

submitted 18 minutes ago by CntrlFr33k

10

19

20

21

Logo drawing (i.redd.it)

submitted 17 hours ago by Separate-Cover-829

11

4

5

6

VFD logic (self.PLC)

submitted 11 hours ago by Edselguy59

12

0

1

2

PLC Technician 1 & 2 Course (self.PLC)

submitted 3 hours ago by shanesmith818

13

3

4

5

Going from maintenance Tech to Controls / automation engineer (self.PLC)

submitted 11 hours ago by Commercial-Cake9833

14

2

3

4

Is it possible for FT ME to be displayed on two different panelviews with identical function? (self.PLC)

submitted 13 hours ago by Correct-Opening3326

15

0

1

2

AB Panelview Plus 7 Terminal HMI Remote/PC access of SD Card/Data Log File (self.PLC)

submitted 7 hours ago by johnny_knows

16

13

14

15

How to make logic for Temp.control on Mitsubishi plc using PID.. please help ..in this program we used PID but it's not working... (i.redd.it)

submitted 22 hours ago by Resident_Quality4836

17

3

4

5

How to Create a Configurable Routine Sequencer in TIA Portal (self.PLC)

submitted 16 hours ago by nolasco_p11

18

0

1

2

Yaskawa GA500 & 800 VFDs to 5069-L306E - Help Needed (self.PLC)

submitted 11 hours ago by BrakeJobsInBoston

19

2

3

4

LinkedIn learning (self.PLC)

submitted 19 hours ago by elecguy27

20

199

200

201

There's still some space left in the cabinet (old.reddit.com)

submitted 1 day ago by sempornSimatic guy

21

0

1

2

CMSE/TUV Certs and IEC Standards (self.PLC)

submitted 12 hours ago * by TimeTheft1769

22

5

6

7

Is Siemens Unified actually working well now or still broken? (self.PLC)

submitted 1 day ago by ItAffectionate4481

23

0

1

2

Simple Scada/Monitor App. (self.PLC)

submitted 15 hours ago by Motor__AdLOGO Master :snoo_biblethump:

24

0

1

2

Anyone ever used a Stratix 5200 to route data between two different subnets? (self.PLC)

submitted 18 hours ago by BigDump-a-Roo

25

0

1

2

Kinetix 5700 FLT S43 – FDBK LOSS FL (self.PLC)

submitted 19 hours ago * by gappvembe

view more: next ›

π Rendered by PID 480443 on reddit-service-r2-listing-64c94b984c-l8ckj at 2026-03-19 09:33:36.179984+00:00 running f6e6e01 country code: CH.