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PT100 connection diagram !?

Created by: Step7_by_Step7 at: 11/19/2008 8:54 AM (1 Replies)

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11/19/2008 8:54 AM	Rate (0)
Step7_by_Step7 Experienced Member Joined: 8/4/2008 Last visit: 12/20/2011 Posts: 25 Rating: (0)	Hello Please help me if you can ! I have module AI8x13Bit and want to use e.g 0 channel So it has 1 terminal U+ 2 terminal I+ 3 terminal S- 4 terminal M+ 5 terminal M- 2) I have pt100 box with wire nr 1, 2 and 3 (i think it 3 wire connection ) 3) I have th100head which i put into pt100 box, but the question is - how i connect wires inside ? th100head has terminals 1+ , 2- and 3,6,4,5 i guess i need to connect with pt100 resistance element wires 1,2,3 ?! But in what sequences ?! And main question , how i connect it with AI module, i tried to connect 1+ of th100 with I+ (terminal 2) and 2- with M- (terminal 5) of AI, but got nothing (actually i tried a lot of combinations and this didn't give any result - i still have 0 on PIW) In channel 0 hardware i put input I (4mA-20mA) Maybe i need to connect another terminals of AI ? Or i need to connect e.g M- in parallel with power supply? So what i do wrong ? I try to get 4mA - 20mA , since program is taking mA from PIW and scaling it between -30 C and+60 Cwith FB SCALE. Can you make a sample-simple drawing or diagram of complete system connection ? Thank you !

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11/19/2008 11:56 PM	Rate (0)
CS Moderator Moderator Joined: 9/1/2005 Last visit: 5/24/2023 Posts: 4099 Rating: (192)	closed cause question posted twice. The second thread with the subject pt100 connection diagram ?! is published within the conference SIMATIC S7-300 / S7-300F. Best regards CS Moderator
	My Forum is the place to personalize your profile, track your topics, and maintain content that interests you. Best regards CS Moderator
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