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I’m a member on that site so will have to go searching for it. When I did go searching on google it brought yours and Zeus threads up. Funnily enough we were talking about data logging today so I could keep a record of temp and ph with a chart to show the variation across the day. The amount of...

I will certainly keep things going and will update the progress. Its moving in the right direction, im sure ill have stumbling blocks but hopefully i/we will get over them. My search for 1-10v control continues.

Thank you Ian for taking the time to reply. I do agree it is we’ll overkill for what i need to do, but you use the tools you have around to do the job. I was in a very lucky position that i have only needed to buy certain parts, if i had had to buy the plc, the touch screen and some other...

Forgot to add, Tunze controller can take 3-8 V input

Hi Zeus I must say first that I have very little knowledge about plc’s, if it gets to technical bear with me as I would need things explained:( I have a Siemens S7-1200 with an extra analogue module used for the ph module,2 extra digital output modules giving me a total of 34, and a temp...

Evening all, I must admit I keep a reef tank rather than a planted tank, but I was pointed over here as I am also building a plc to control my tank with the help from the techies at work. I have come here looking for a bit of help on how to control a couple of tunze pumps and was hoping some one...