fun in-house project

rpoet · Nov 17, 2016

Our shop has a loft with a removable railing section, for use when we want to load/unload with a forklift. A recent safety audit decided that there should be warning strobes that flash automatically whenever the railing is removed. I built this:

Two N.C. inductive prox sensors operate a pair of relays to turn on the strobes when the railing is removed. I mounted the sensors in the railing bases.

Nothing groundbreaking, but a fun little project that used a bunch of parts I already had on the shelf. I'll be doing the same thing for another loft in the building next week.

-rpoet

arlenjacobs · Nov 21, 2016

OT: fun in-house project

... I couldn't help but think of this picture when I read your post.
My kids are reading this book (perpetually) right now.

Link to the book author's blog

rpoet said:
Nothing groundbreaking, but a fun little project that used a bunch of parts I already had on the shelf. I'll be doing the same thing for another loft in the building next week.
-rpoet

But seriously, cool idea. It's not too often I see all of those words used together with a safety project. Brightened my morning.
Thanks rpoet.

Firejo · Nov 21, 2016

A couple of “fun” projects.
This one is Xmas light controlled by a SLC5/05 talking to a SLC5/03 (wireless) with the SLC5/03 having 24 discrete output relay outputs
https://www.youtube.com/watch?v=s_oyacBF1mw
This one was for Automation Fair several years ago. This is a very early prototype of the fan control system.
https://www.youtube.com/watch?v=VQ2SM6JWS5w

Plastic · Nov 21, 2016

rpoet said:
Our shop has a loft with a removable railing section, for use when we want to load/unload with a forklift. A recent safety audit decided that there should be warning strobes that flash automatically whenever the railing is removed. I built this:

Two N.C. inductive prox sensors operate a pair of relays to turn on the strobes when the railing is removed. I mounted the sensors in the railing bases.

Nothing groundbreaking, but a fun little project that used a bunch of parts I already had on the shelf. I'll be doing the same thing for another loft in the building next week.

-rpoet

Beyond fun, lights do not prevent people from falling off of mezzanine with open rails. Google is our friend, there are "off-the-shelf" products to make a physical barrier. You can add a switch to the real barrier to activate your lights accordingly.

http://www.benkoproducts.com/mezzanine-industrial-safety-gates-pivot-model.html

kamenges · Nov 21, 2016

Originally posted by Plastic:

...there are "off-the-shelf" products to make a physical barrier.

That's a nice gate assembly...if all I have to get off the mezzanine is a pallet-sized load. What if I need to get the occasional 4'x4'x10' crate off the mezzanine? Do we need to anticipate the largest item we might encounter and build for that?

Sometimes administrative controls are all you can implement "within reason".

Keith

Plastic · Nov 21, 2016

At the locations where the tippy gate is not feasible, we have attachment points for personnel fall protection lanyard, and the employees connect to it prior to decoupling the safety rail.

JaxGTO · Nov 22, 2016

Made my wife's shoe closet light up using an old PLC Direct 205.
https://youtu.be/6CmLxaD4TtQ

Saffa · Nov 23, 2016

JaxGTO said:
Made my wife's shoe closet light up using an old PLC Direct 205.
https://youtu.be/6CmLxaD4TtQ

I would add a load cell, flashing beacon and horn to alert to a too many shoes condition. It looks like that's not far off!

fun in-house project

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