If you have analog (0-5,0-10v)inputs you could use LM34 temperature sensors @ $2.50/ea. They have 1mv/Deg F. output and are usable to 300deg. I am using them as sensors in my home Solar heating system & they work very well.
I have a question about mating a Siemens OP3 with an S7-216.
Right now I have the 216 operating a home solar heating system. I programmed it with MicroWin 3.2, I have a couple of OP3's & Protool Pro. I have been able to program the SCREENS I want(4 analog temperatures & status), but am unable to...
I have a question about mating a Siemens OP3 with an S7-216.
Right now I have the 216 operating a home solar heating system. I programmed it with MicroWin 3.2, I have a couple of OP3's & Protool Pro. I have been able to program the SCREENS I want(4 analog temperatures & status), but am unable to...
I HAVE SEVERAL SIEMENS S7-214 PLC 'BRICKS'& I USE ONE ON A HOME SOLAR SPACE HEATING PROJECT JUST COMPLETED. ALL OF THE PLC'S HAVE V0.91 FIRMWARE WHICH IS LIGHT IN FUNCTIONALITY. DOES ANYONE HAVE ACCESS TO A NEWER BIOS CHIP... 1.10 OR ABOVE PREFERABLY. THE FACTORY WILL NOT SELL THE CHIP BY ITSELF...
