REX C100 PID

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Re: REX C100 PID

Postby Kimbo » Sun Apr 13, 2014 10:05 pm

Linny wrote:Has to be settings ,,, hardware seems fine

Yep, that's what I thought. I have fiddled and fucked with the settings without really knowing what i'm doing :violence-stickwhack:
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Re: REX C100 PID

Postby Kimbo » Sun Apr 13, 2014 10:07 pm

punchy21 wrote:is this for a HERMS Kimbo??

I dont think i have seen the pics :greetings-waveyellow:

Kimbo wrote:
Oh!... build pics to follow soon :mrgreen:

Soon :mrgreen:
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Re: REX C100 PID

Postby punchy21 » Sun Apr 13, 2014 10:21 pm

Kimbo wrote:
punchy21 wrote:is this for a HERMS Kimbo??

I dont think i have seen the pics :greetings-waveyellow:

Kimbo wrote:
Oh!... build pics to follow soon :mrgreen:

Soon :mrgreen:


No probs mate, i might be up to something similar, just got a sestos PID the other day in the mail ;-)
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Re: REX C100 PID

Postby punchy21 » Sun Apr 13, 2014 10:33 pm

I just noticed that the model number of your unit indicates it is reverse acting :think: Maybe you cant change it??
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Re: REX C100 PID

Postby Kimbo » Sun Apr 13, 2014 10:41 pm

punchy21 wrote:I just noticed that the model number of your unit indicates it is reverse acting :think: Maybe you cant change it??

By that, do you mean changing the SL6 setting from heating to cooling?
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Re: REX C100 PID

Postby Yummyrum » Sun Apr 13, 2014 10:47 pm

If that means thats its on when it should be off...then thats a simple fix..with...yet another relay :laughing-rolling:
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Re: REX C100 PID

Postby Kimbo » Sun Apr 13, 2014 10:51 pm

Yummyrum wrote:If that means thats its on when it should be off...then thats a simple fix..with...yet another relay :laughing-rolling:

What th? :laughing-rolling: :laughing-rolling:
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Re: REX C100 PID

Postby punchy21 » Sun Apr 13, 2014 10:52 pm

Kimbo wrote:
punchy21 wrote:I just noticed that the model number of your unit indicates it is reverse acting :think: Maybe you cant change it??

By that, do you mean changing the SL6 setting from heating to cooling?


If you had it set to heating, then yeah try changing it to cooling...
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Re: REX C100 PID

Postby mickiboi » Sun Apr 13, 2014 10:54 pm

Kimbo wrote:OK, my notes thus far:
when i turned it on, it didnt cycle or or predict, it just went to full power.
When it got to temp, the PV flashes but continues on full power.

AL1= 50 SET TO 100
AL2= 50 SET TO 100
ARU= 0 SET TO 1
P= 30 SET TO 5
I= 240 SET TO 60
d= 60 SET TO 15
Ar= 25
r= 1 SET TO 2
oH=2
SC= 0

SL1= 0000
SL2= 0000
SL3= 0000
SL4= 0010 SET 0000
SL5= 0010 SET 0000
SL6= 0001 SET 0011
SL7= 0001 SET 0000
SL8= 0000
SL9= 0000
SL10= 1001
SL11= 0000

I hope this helps :pray: :pray: :pray:


Try these settings. I only use Sestos PID controllers and never have any trouble. I checked these settings compared to what I normally use. I couldn't find what the SL8,SL9,SL10,SL11 settings were in any manuals so I cant help with those. I know setting SL10 has to do with run/stop/start of the controller. If this fails set your Integral and Derivative settings to 0. This turns the controller into a straight proportional output, see what happens.
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Re: REX C100 PID

Postby Kimbo » Sun Apr 13, 2014 10:57 pm

Cheers mate, I'll give it a go :handgestures-thumbupleft:
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Re: REX C100 PID

Postby mickiboi » Sun Apr 13, 2014 10:59 pm

punchy21 wrote:I just noticed that the model number of your unit indicates it is reverse acting :think: Maybe you cant change it??


That part number is a hangover from the early days when you had to order the unit as either direct or reverse acting. Thankfully all units are now capable of either via SL6 but wish they would fix up their fucking part numbers. Very confusing.
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Re: REX C100 PID

Postby mickiboi » Sun Apr 13, 2014 11:02 pm

punchy21 wrote:
No probs mate, i might be up to something similar, just got a sestos PID the other day in the mail ;-)


Sestos are pretty easy to set up. I have been using them for years and have never had any trouble.
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Re: REX C100 PID

Postby punchy21 » Sun Apr 13, 2014 11:05 pm

Thanks mate, I might have to get you to check my settings when I pull my finger out 8-}
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Re: REX C100 PID

Postby mickiboi » Sun Apr 13, 2014 11:08 pm

SL10 Bit 1 controls the STOP mode and bit 4 controls Self Tune mode.

e.g. SL10
0000 = Self tune disabled, stop mode disabled
0001 = self tune disabled, stop mode normal
1000 = self tune active, stop mode disabled

SL10 SET 1000
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Re: REX C100 PID

Postby Kimbo » Sun Apr 13, 2014 11:16 pm

Ok, i have done this:
mickiboi wrote:
AL1= 50 SET TO 100
AL2= 50 SET TO 100
ARU= 0 SET TO 1
P= 30 SET TO 5
I= 240 SET TO 60
d= 60 SET TO 15
Ar= 25
r= 1 SET TO 2
oH=2
SC= 0

SL1= 0000
SL2= 0000
SL3= 0000
SL4= 0010 SET 0000
SL5= 0010 SET 0000
SL6= 0001 SET 0011
SL7= 0001 SET 0000
SL8= 0000
SL9= 0000
SL10= 1001
SL11= 0000

and this:
mickiboi wrote:
SL10 SET 1000

Now the AT light and the PV are flashing alternatively.... and still running at full power :think:
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Re: REX C100 PID

Postby mickiboi » Sun Apr 13, 2014 11:17 pm

punchy21 wrote:Thanks mate, I might have to get you to check my settings when I pull my finger out 8-}


For heating you probably wont have to change anything. It should just about work perfectly straight out of the box. You may only have to change the control period from 4 to about 2 if you have a large element.
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Re: REX C100 PID

Postby Kimbo » Sun Apr 13, 2014 11:18 pm

mickiboi wrote:
punchy21 wrote:Thanks mate, I might have to get you to check my settings when I pull my finger out 8-}


For heating you probably wont have to change anything. It should just about work perfectly straight out of the box. You may only have to change the control period from 4 to about 2 if you have a large element.

Yeah... thats what I shooda dun :angry-banghead:
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Re: REX C100 PID

Postby mickiboi » Sun Apr 13, 2014 11:32 pm

Cod 0000
Sl1 1000
Sl2 0000
Sl3 0000
Sl4 0000
Sl5 0000
Sl6 0001
Sl7 0000
Sl8 0000
Sl9 0000
Sl10 1001
Sl11 0000

mmmmm. Fucking Chinese knock offs. Try these. Also make sure the Lbd is set to 0. Let the unit run for a bout 10-15 minutes to, this will allow the auto tune to kick in. Did you try the I and D settings back to zero?
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Re: REX C100 PID

Postby Kimbo » Sun Apr 13, 2014 11:55 pm

mickiboi wrote:Cod 0000
Sl1 1000
Sl2 0000
Sl3 0000
Sl4 0000
Sl5 0000
Sl6 0001
Sl7 0000
Sl8 0000
Sl9 0000
Sl10 1001
Sl11 0000

mmmmm. Fucking Chinese knock offs. Try these. Also make sure the Lbd is set to 0. Let the unit run for a bout 10-15 minutes to, this will allow the auto tune to kick in. Did you try the I and D settings back to zero?

SL1 is set to 0 coz I have a K type tc. I is set to 60 and D is set to 15.... I will change them now.
What the hell is Lbd?
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Re: REX C100 PID

Postby mickiboi » Mon Apr 14, 2014 12:12 am

Kimbo wrote:
mickiboi wrote:Cod 0000
Sl1 1000
Sl2 0000
Sl3 0000
Sl4 0000
Sl5 0000
Sl6 0001
Sl7 0000
Sl8 0000
Sl9 0000
Sl10 1001
Sl11 0000

mmmmm. Fucking Chinese knock offs. Try these. Also make sure the Lbd is set to 0. Let the unit run for a bout 10-15 minutes to, this will allow the auto tune to kick in. Did you try the I and D settings back to zero?

SL1 is set to 0 coz I have a K type tc. I is set to 60 and D is set to 15.... I will change them now.
What the hell is Lbd?


Sorry Lbd is only in the genuine RKC controller, not the Chinese knock off.

Well I found a brand new Chinese knockoff in my shed, wired in the TC, connected the SSR and powered it up and it works straight out of the box. Now Im thinking, is the one you have a true SSR output or a modified relay one?
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