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AI card probleme

Created by: djsiem at: 5/6/2008 7:26 PM (4 Replies)

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5/6/2008 7:26 PM	Rate (0)
djsiem Posts: 9 Rating: (0)	Hello evry body; we've a probleme with AI card, we have faulty alarms from all transmitters which connected with, we can't find theorigine of this pbe,have you any idea about this kind of probleme? the card is installed in the box near the equipement (motocompressor). and I have another question about the ground of cards, how can we connect it? thank you for your comprehensive. regards.
djsiem Posts: 9 Rating: (0)
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5/6/2008 8:02 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (318)	djsiem we've a probleme with AI card, we have faulty alarms from all transmitters which connected with, we can't find theorigine of this pbe,have you any idea about this kind of probleme? the card is installed in the box near the equipement (motocompressor). and I have another question about the ground of cards, how can we connect it? Hi, First off all it would be nice to know which AI-card you have and 2nd what do you want to measure..... It is now a very open question..... But I could give you some information about the AI, have you seen the Getting Started for the AI cards: SM331; AI 8x12 Bit Getting Started part 1: 4 -20mA SM331;AI 8x12 Bit Getting Started Part 2: Voltage and PT100 SM331; AI 8 x 12 Bit Getting Started part 3: Thermocouples For I-measuring: You have to check if your transducer is a 2-wire or a 4-wire transducer.... A two wire transducer (in Siemens speaking) is a transducer that gets the power (24V DC) from the AI-card, a four wire transducer have his own power and only the signal is read back to the AI. For wiring please see the manual: S7-300 Module data(if it is an S7-300 module.....)
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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5/7/2008 9:42 AM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (318)	Hi, From another forumist I become the message that the Getting Starters of the AI are not 100% good, I have asked him what there is wrong and if he have some examples, but I got not yet a answer.
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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5/9/2008 7:53 AM	Rate (0)
Tom_Li Posts: 72 Rating: (0)	Hello , Late, Everytime when reading you articles , that's interesting and humorous and learning more. Thank you very much:)
Tom_Li Posts: 72 Rating: (0)
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5/14/2008 8:16 PM	Rate (0)
djsiem Posts: 9 Rating: (0)	first i'd like to thank you for your ansewers. in our installation we have an AI Card for 2wires transducers (pressure, vibration transmitters), so there is SM331; AI 8x12 Bit: 4 -20mA. we haven't found the origine of alarms, because we take the mesure of vibration by another instrument (hand slot for inspection men: VIBROMEETR), ther isn't any alarmes. and the alarmes is coming from all the trasmetters wired in same card. thank you for your help. salutations
djsiem Posts: 9 Rating: (0)
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