PID Wiring

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PID Wiring

Postby RidleyRumpus » Sun Aug 23, 2015 21:42

I have a SESTOS D1S VR 220 pid that I want to use for regulating the temperature of my electric smoker, but will be also using to monitor a HERMS and I have been looking how to wire it up.

I found this diagram on the web

http://grizzlybearloveskolsch.com/wp-co ... wiring.jpg

from this article

http://grizzlybearloveskolsch.com/igloo ... omment-110

But cannot for the life of me see why has has two mains plugs in, surely you would just use one and have a terminal block inside the case, or am I missing some reason for the way he has done this.

BTW any better diagrams/instructions for this PID would be welcome.
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Re: PID Wiring

Postby AltonAnt » Sun Aug 23, 2015 22:25

I cannot see why you would want to do that. The PID will draw next to nothing so will be fine on a single 13A plug. That is how I have mine connected.
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Re: PID Wiring

Postby RidleyRumpus » Mon Aug 24, 2015 01:27

Thanks for that.

As I will be using this outside I am trying to be as safe as possible, now I could use a plastic elclosure but that would have problems dissipating the heat, or I could use a metal enclosure. Both are waterproof BTW but I suspect if I was to use the plastic case I would have to cut a hole in it for the heatsink which would make it not very waterproof.

I suppose it comes down to how much heat the SSR will dissapate when drawing about 10A.

Also what would people recommend re isolating the heating element should I want to do so.
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Re: PID Wiring

Postby StevieDS » Mon Aug 24, 2015 11:38

You can have a look at this post which has some pics and a crude but simple wiring diagram with an isolator switch.

"The master has failed more times than the beginner has even tried."

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Re: PID Wiring

Postby Goulders » Mon Aug 24, 2015 12:19

Your setup looks very neat Stevie - something to aspire to! My next project is to do a kettle HERMS similar to yours...
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Re: PID Wiring

Postby Mark » Wed Aug 26, 2015 15:42

StevieDS wrote:You can have a look at this post which has some pics and a crude but simple wiring diagram with an isolator switch.

Stevie, what kind of socket have you got there for the PT100? Do you have a link for it at all. I'm about to put mine together but that's the last thing I need to get hold of.

Thanks

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Re: PID Wiring

Postby StevieDS » Wed Aug 26, 2015 16:18

Mark wrote:
StevieDS wrote:You can have a look at this post which has some pics and a crude but simple wiring diagram with an isolator switch.

Stevie, what kind of socket have you got there for the PT100? Do you have a link for it at all. I'm about to put mine together but that's the last thing I need to get hold of.

Thanks
Yes mate it's a mini xlr plug and socket.

Socket
http://www.ebay.co.uk/itm/3-Pin-Male-Mi ... 1e95abc45b

Plug
http://www.ebay.co.uk/itm/Connector-Min ... 2ee44f149c

:thumb:

"The master has failed more times than the beginner has even tried."

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Re: PID Wiring

Postby Mark » Wed Aug 26, 2015 16:24

thanks. are these the same?

http://www.maplin.co.uk/p/rean-tiny-xlr ... ctor-a98qt

and

http://www.maplin.co.uk/p/rean-tiny-xlr ... lack-a97qt

Also, which kind of wire did you use to go from the PID to the connector on the box?

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Re: PID Wiring

Postby StevieDS » Wed Aug 26, 2015 16:41

Yep those are the very same.

From the PID to the xlr socket, I cut a piece off the end of the PT100 cable (about 100mm or so) and used it.

"The master has failed more times than the beginner has even tried."

Planning: Brett Amarillo Smash
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Re: PID Wiring

Postby Mark » Wed Aug 26, 2015 17:02

Nice one cheers mate. Not sure how long my cable is and if I can afford to lose any. I found some wire Vossy linked to on the other place so added it to the order.

Does anyone know what happened to Vossy by the way? I assume he's on here somewhere

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Re: PID Wiring

Postby ericmark » Wed Oct 14, 2015 19:31

It's been some time since I have worked with temperature senders but from memory the PT-100 needs compensating cable and has special connectors not sure I would select that sensor? NTC sensors are more common for brewing use. The positive or negative coefficient is a little beyond my ken, but I would tend to follow the crowd and use negative.
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