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EM231 8AI module info

4/18/2008 6:09 PM	Rate (0)
Ming Regular Member Joined: 2/29/2008 Last visit: 3/10/2025 Posts: 19 Rating: (0)	Hello, I was looking for a document that will show the response time of an 8AImodule by channel and by card. I don't see any of this data in the update or manual. Thanks in advance. Ming

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4/18/2008 9:51 PM	Rate (0)
candyengineer Posts: 218 Rating: (26)	Hello Ming , Here is the specifications of EM321 8AI module, Hope this will help. Best regards, Attachment Ming.JPG (319 Downloads)
candyengineer Posts: 218 Rating: (26)
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4/18/2008 10:41 PM	Rate (0)
Ming Regular Member Joined: 2/29/2008 Last visit: 3/10/2025 Posts: 19 Rating: (0)	Thanks, so if I understand that correctly it takes essentially 1.5 ms for the card to acquire a value from the signal? (considering the A-D isnegligible) Do you know what the specification means by 'to 95%'? Thanks again

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4/22/2008 5:30 PM	Rate (1)
Denilson Pegaia Diamond Member Joined: 9/23/2005 Last visit: 1/9/2026 Posts: 4443 Rating: (1487)	Hi My interpretation about the specifications is: 1 - To convert, internally a signal, from Analog to Digital value, the module takes 250 micro seconds - like do you say, it is negligible; 2 - The module has a internal smoothing filter (low band). This filter reacts to a stepof an analgog input with a curve (e.gof type 1-e^[-kt]). For the input step: t=0 -> output=0; t=1.5ms -> output = 0,95% the input range.
	Last edited by: Pegaia at: 4/22/2008 5:30 PM Denilson Pegaia Siemens Industry Sector Technical Support
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4/22/2008 7:17 PM	Rate (0)
candyengineer Posts: 218 Rating: (26)	Awww Pegaia, Thank you very much for this explanation. Best regards.
candyengineer Posts: 218 Rating: (26)
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4/25/2008 4:45 PM	Rate (0)
Ming Regular Member Joined: 2/29/2008 Last visit: 3/10/2025 Posts: 19 Rating: (0)	Thanks for your help

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