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Zero and Span in Step 7

1/14/2015 3:05 AM	Rate (0)
Raffy Posts: 209 Rating: (2)	Hi Guys, Is it possible to create a zero and span configuration (just like a transmitter) in step7? If you have a sample program can I ask for it? Thank you best regards raffy
Raffy Posts: 209 Rating: (2)
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1/15/2015 12:26 PM	Rate (0)
Jens_app Gold Member Joined: 1/5/2011 Last visit: 6/15/2024 Posts: 815 Rating: (123)	Raffy Hi Guys, Is it possible to create a zero and span configuration (just like a transmitter) in step7? If you have a sample program can I ask for it? Thank you best regards raffy Dear Raffy, Is it a linear equation or not? Otherwise you can use the scale block FC105. If not you will need to do some type of linearization first, check out following existing thread: /tf/WW/en/Posts/77215 Control your 4-20mA output accordingly. Kind regards, Jens
	Keep it simple and on-topic. A simple straight-to-the-point answer is often of more quality than a complicated one.
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This contribution was helpful to 1 thankful Users Raffy

1/15/2015 5:32 PM	Rate (0)
eisenpferdreiter Posts: 1058 Rating: (93)	Raffy Hi Guys, Is it possible to create a zero and span configuration (just like a transmitter) in step7? If you have a sample program can I ask for it? Thank you best regards raffy Hello Raffy, what exactly are you looking for? Can you explain more detailled? There are several ways to do domething like that. regards
eisenpferdreiter Posts: 1058 Rating: (93)
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This contribution was helpful to 1 thankful Users Raffy

1/19/2015 6:51 AM	Rate (0)
Raffy Posts: 209 Rating: (2)	Hi guys, I want to have the program to calibrate my instruments output using the plc program. That is the reason why I want to have a zero and span program. Can FC105 do this?? Thank you best regards raffy
Raffy Posts: 209 Rating: (2)
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1/19/2015 7:39 AM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 10/26/2024 Posts: 6852 Rating: (1365)	Hello Raffy, Calibration is done based on physical reading and parameterizations on transmitter by hand-heldcommunicator. In SIMATIC Range of product "PDM" has the same functionality: http://w3.siemens.com/mcms/process-control-systems/en/distributed-control-system-simatic-pcs-7/simatic-pcs-7-system-components/process-device-manager-pdm/Pages/Default.aspx FC105 only can convert the raw digitalized data in AI channel based on high and low limit provided, it is also possible to map the values by a linear mapping function with a slope and an offset but it is not what you want. I hope this helps, Hamid Hosseini
	Last edited by: hdhosseini at: 1/19/2015 7:40 AM Demo Channel on Youtube
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1/19/2015 8:10 AM	Rate (0)
IBN-Service Posts: 8946 Rating: (999)	Raffy Hi Guys, Is it possible to create a zero and span configuration (just like a transmitter) in step7? If you have a sample program can I ask for it? Thank you best regards raffy Just as background information: Analog Inputs of S7-1500 System (TIA) supports hardware calibration.
IBN-Service Posts: 8946 Rating: (999)
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