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Time Resolution

4/25/2012 9:13 AM	Rate (0)
Morteza.Mansouri Posts: 4 Rating: (0)	Dear All, Coulad anybody tell me about "time resolution" in PLC? I would eppreciate If you have any source of information or tutorial in this regard.
Morteza.Mansouri Posts: 4 Rating: (0)
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4/25/2012 9:31 AM	Rate (0)
manmeet Gold Member Joined: 1/3/2006 Last visit: 1/13/2026 Posts: 726 Rating: (71)	What do you mean by time resolution? Which PLC?

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4/25/2012 9:46 AM	Rate (0)
Morteza.Mansouri Posts: 4 Rating: (0)	I read in a Tender document that "Time resolution for all digital inputs shall be 1 msec".
Morteza.Mansouri Posts: 4 Rating: (0)
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4/25/2012 9:50 AM	Rate (0)
soju Posts: 69 Rating: (2)	Seems like he is talking about Timer Resoltion...... Or scan time for inputs and outputs
soju Posts: 69 Rating: (2)	Last edited by: soju at: 4/25/2012 9:51 AM
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4/25/2012 10:02 AM	Rate (0)
Aret Posts: 2348 Rating: (265)	You need ET200M high feature and in central rack use FB62 TIMESTAMP - this way you can achieve 1ms resolution. Please use search for more details.
Aret Posts: 2348 Rating: (265)
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This contribution was helpful to 1 thankful Users Morteza.Mansouri

4/25/2012 10:55 AM	Rate (0)
Jazz_M Posts: 1121 Rating: (86)	Hi I do not know how manny the S7300 system supports, but you will have to use high feature module for the same. with same given MLFB no. please note that for an S7400 system you can link upto 128 Inputs with 1m Sec time stamping. This is normally done for SOE (Sequence of event of recording). which is used in tubrbine systems. We normally take 16 Channel DI cards for this case. 6ES7 321 1BH01 0AA0, cards are used for the same, Have fun....
Jazz_M Posts: 1121 Rating: (86)	Last edited by: Tagolover at: 4/25/2012 10:57 AM
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This contribution was helpful to 1 thankful Users Morteza.Mansouri

4/25/2012 11:05 AM	Rate (0)
manmeet Gold Member Joined: 1/3/2006 Last visit: 1/13/2026 Posts: 726 Rating: (71)	Hi, You need ET200M DI/DO cards with are 6ES7321-IBH10-0AA0 AND 6ES7322-IBH10-0AA0. More about response time of ET200M is hereandhere ET200M cards are costlier then ET200S cards, so you can give a look at High feature ET200S cards response time calculation of which is attached. Attachment et200s_im151_1_high_feature_manual_en-US_en-US.pdf (293 Downloads)

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This contribution was helpful to 1 thankful Users Morteza.Mansouri

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