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Comparing set value with process Value

11/28/2019 7:04 PM	Rate (0)
RUN Industrial Au... Bronze Member Joined: 12/13/2013 Last visit: 7/23/2025 Posts: 136 Rating: (3)	Dear All i am currently working on milk pasteurizer. i want to activate one out put based on the Temperature of the Milk. i want to open the return valve when the temperature is less than the required temperature (72 degre) for re processing . i am using Logo OBA8, 6ED1052-1MD00-0BA8 6ED1055-1CB10-0BA2 RTD module 6ED1055-1MA00-0BA2 and PT100 THANK YOU
	Last edited by: ADDIS ABABA at: 11/28/2019 20:22:28 We Keep Your Plant Running
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11/28/2019 7:09 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/15/2025 Posts: 35961 Rating: (4502)	You write the order numbers of all extension modules, but not the order number of the LOGO! Which LOGO! is it?

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11/28/2019 7:31 PM	Rate (1)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/15/2025 Posts: 35961 Rating: (4502)	I have created an example for you. To prevent the valve opens or closs continuously, a hysteresis must be used. The setpoints for switching the valve on and off can be changed via the Display. Attachment milk_pasteurizer_0BA8.Standard.zip (306 Downloads)

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11/28/2019 7:39 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/15/2025 Posts: 35961 Rating: (4502)	For PT100/1000 you do not have the right analog extension module. For PT100/1000 you need the module AM2 RTD with the order numbers 6ED1055-1MD00-0BA2. Or you use an external PT100 transmitter, which has an output with 0-10V or 0/4-20 mA for the modul that you have.

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