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S7-1200 Analog Input

3/18/2011 10:53 AM	Rate (0)
Rahul Sayre Experienced Member Joined: 2/24/2009 Last visit: 10/18/2024 Posts: 116 Rating: (2)	Dear All, We have one application where we want to read analog input & store that value. We want data back up for around 200000 sample. Also we want to show all stored sample in HMI with time. Can any body suggest what is the hardware required for this. Whether it can be done with S7-1200 basic module regards, Rahul

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3/18/2011 2:07 PM	Rate (0)
MrPaiva Silver Member Joined: 6/29/2010 Last visit: 10/27/2022 Posts: 112 Rating: (63)	Hi Rahul Sayre, What HMI do you have?

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3/19/2011 7:08 PM	Rate (0)
Rahul Sayre Experienced Member Joined: 2/24/2009 Last visit: 10/18/2024 Posts: 116 Rating: (2)	Dear Sir, I am having OP 177B PN/DP

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3/22/2011 12:03 PM	Rate (0)
fbelic Posts: 327 Rating: (28)	Greetings No chance of using PC instead of OP? It would be a peace of cake job then... Using PLC you would need at least 400 KB just for the data. Best regards
fbelic Posts: 327 Rating: (28)
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3/22/2011 2:31 PM	Rate (0)
MrPaiva Silver Member Joined: 6/29/2010 Last visit: 10/27/2022 Posts: 112 Rating: (63)	You can create same arrays on a DB and store the data on these arrays using FieldRead and FieldWrite instructions to read and write values from and to arrays. To show this values on OP you can configure a TrendView to a buffer bit-triggered type, so you can show data from the arrays on DB. Take a look on help of wincc flexible about buffer bit-triggered.

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3/23/2011 5:26 AM	Rate (0)
Rahul Sayre Experienced Member Joined: 2/24/2009 Last visit: 10/18/2024 Posts: 116 Rating: (2)	Dear All, Data is real value of weight. I need to show this value with date & time in PC. I am ready to go for PC base runtime WIncc Flex. Is it possible to log value in excel using flex & VB script with S7-1200. regards, Rahul

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3/23/2011 7:08 AM	Rate (0)
fbelic Posts: 327 Rating: (28)	Greetings Yes, it is. Probably most easier way is just to save logs to CSV format, which you can later open with Excel. But you have other options, too. Best regards
fbelic Posts: 327 Rating: (28)
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3/28/2011 7:14 AM	Rate (0)
Rahul Sayre Experienced Member Joined: 2/24/2009 Last visit: 10/18/2024 Posts: 116 Rating: (2)	Dear Sir, Can you send me a sample program with one variable getting logged in excel at the rising edge of memory bit in plc program. regards, Rahul

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