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AM2 PT100

4/1/2009 8:49 AM	Rate (0)
wingon Posts: 2 Rating: (0)	The range of AM2 PT100 analog module is -50...200C But in real case, the LOGO! shows -50C on short circuit (OK) and 177C on open circuit (instead of 200C). Why? Please let me know how to get the 200C display. Thanks!
wingon Posts: 2 Rating: (0)
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4/1/2009 10:03 PM	Rate (0)
Betel Platinum Member Joined: 1/5/2007 Last visit: 4/7/2023 Posts: 1690 Rating: (580)	Hi wingon, please look here: AM2 PT100 °C precision I hope this helps you to connect your sensors right... Best regards Betel
	==> Meine TAG-Listen: "deut." ==> "Sammlung von Hinweisen und Schaltungen" ==> "PD-3-Punkt-Schritt-Regelung (z.B. für Mischer)" ==> "Zeiterfassung, ASTRO-Uhr,..." ==> "Meine EXCEL-Tools" + "Tool zur Linearisierung" ==> "Komplexes Rechnen mit der LOGO"
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4/2/2009 3:26 AM	Rate (0)
wingon Posts: 2 Rating: (0)	Hi Betel, Thanks for the information. But not related to my problem. My question is LOGO displays 177 instead of 200 when leave the sensor connection open (over range). Finally, I tried to heat up the PT100 with a flame, I got the normal temp. display up to 200. I found when the PT100 is heated beyond 200, LOGO displays 177. Same when the sensor connection is open, LOGO will dispaly 177. I did not realize that LOGO displays 177 instead of 200 when the sensor input is over ranged. I have no further question on it. Thanks again. Best regards wingon
wingon Posts: 2 Rating: (0)
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