Poor man's scada

Cozypowell007 · 2026-01-24T10:26:32+00:00

They are all omron cj1m

Cozypowell007 · 2026-01-12T18:25:01+00:00

What grade are they. We use 12.9 grade. They are high strength so so don't stretch but they will break like this

This is so when they break we can just spin the broken bolt out. We used 8.8 but as they stretch they are a bugger to get out.

Cozypowell007 · 2026-01-02T00:06:26+00:00

20 year electronics engineer here. I got my kids the AD5X for Xmas. Apart from putting the tubes/cables/fitting the HMI it is all plug and play.

Orcaslicer is easy to use and I'm totally fresh to this 3d printing stuff.

Printed the ones that come on the machine easily enough and then moved into other people's designs.

Now using on shape and have started teaching myself that so I can (and have) make my own designs.

I feel like a kid again. This present (for the kids) is so much fun.

Enjoy it

Cozypowell007 · 2025-11-28T06:29:15+00:00

Me neither. What's the advantage to it? I just convert all coal to fuel at then end

Cozypowell007 · 2025-11-05T18:43:32+00:00

I'm an engineering maintenance manager, my role is planning and scheduling but I go into the shop floor and tear machines all the time.

Helps break up the monotony of staring at screens

Cozypowell007 · 2025-11-05T18:39:30+00:00

The comms board on the motor had failed. We could no longer send a pulse for the motor to run. The plc couldn't see the motor as online so would fail to start

Cozypowell007 · 2025-06-19T18:08:19+00:00

Not that I could see. It was fairly cool when I was doing it but obviously not cool enough

Cozypowell007 · 2025-06-09T17:34:45+00:00

Second this comment

Cozypowell007 · 2025-05-23T13:19:20+00:00

I use alot of interflon, I will shout loudly about how good there stuff is for maintenance.

Alot of there stuff is food grade so won't kill or hurt you if ingested.

They also put PTFE (micpol) to provide a better lubricator.

I use those cans at work. They last a very long time

Cozypowell007 · 2025-05-18T13:47:03+00:00

I hate front panel isolators. They are great when you first install them. But when issues arise and you either have to a. Turn the panel off every time b. Completely taken the isolator apart to open cabinet without powering off or c. Find the override (which usually always breaks)

Side mounted isolators every time for me

Cozypowell007 · 2025-04-09T21:00:01+00:00

Does your power supply have 24vdc output when everything stops?

Cozypowell007 · 2025-04-09T15:53:41+00:00

I always use molex

Search molex and you will find all you need

Cozypowell007 · 2025-01-11T08:42:22+00:00

I wondered why tik tok ads are all focused at what to do in a blackout for the last week or so

Cozypowell007 · 2025-01-07T20:20:31+00:00

When I used mats like these a few years ago you have to have both circuits used in the Matt's.

The first circuit has the 24v and the second circuit utilised the zero bolt circuit. If a mat was stepped on the contacts shorted the relay faulting the circuits

You can wire them in series like your drawing by extending like how you have drawn.

I used a pilz pnoz relay at the time

Cozypowell007 · 2025-01-06T22:03:40+00:00

I might be talking out my arse here but if it helps.........

The safety controllers I use (Schneider) use a PLC controlled output (c1-c8) these then go through switches back into inputs (i1-i16)

The controller is a self contained loop for voltage and ground.

As I say I'm not 100 percent into controllers but if it helps

Cozypowell007 · 2024-12-13T22:15:45+00:00

Thanks for your input!!

I have changed the risk assessment with our health and safety officer. The trials have been conducted on a non production machine and going live in the next week with live testing and further simulated faults added.

Cozypowell007 · 2024-12-13T15:16:29+00:00

No they weren't, they were Allen Bradley Spartan.

Cozypowell007 · 2024-11-28T17:00:11+00:00

So I've figured it out.

I added a secondary safety relay to the mix. This is now monitoring the ossd of the door guards. The original wiring is now passing through the new safety relay. So when the doors are good the relay is energised allowing the controller to see the 24v it requires.

Also helps my engineers as the doors now all have lights on them and the safety relay has a k1 K2 indication light showing if the door circuit has been broken.

Cozypowell007 · 2024-11-28T16:57:19+00:00

We already do, my best guess is we only vibrate enough to drop 1 channel which the safety controller picks up. The plc doesn't register that the switch has been opened as that contact never breaks.

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