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Analog Signals of S5-135

Created by: Automation_Systems at: 11/7/2007 11:45 PM (1 Replies)

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11/7/2007 11:45 PM	Rate (0)
Automation_Systems Posts: 58 Rating: (0)	Hi i need your help, Somebody know what value has the analog signals, when it read directly from the load? i mean for example if i read directly PY256 KF+= 0 from a 4mA and PY256 KF=+32760 for 20mA and equal for a PT100 module signal, because i have an application with a s5-135, and i have to make migration to S7, but in the s5 program they not read directly the value from analog signals they use a FB218 and FB219for read analog signals, and they use this value for make a regulation PID, but i cant see how theyscalethe value of the signals, jejeje.
Automation_Systems Posts: 58 Rating: (0)
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11/9/2007 11:05 AM	Rate (0)
UMENCHO Diamond Expert Joined: 3/21/2006 Last visit: 4/12/2023 Posts: 10221 Rating: (1176)	Automation_Systems Hi i need your help, Somebody know what value has the analog signals, when it read directly from the load? i mean for example if i read directly PY256 KF+= 0 from a 4mA and PY256 KF=+32760 for 20mA and equal for a PT100 module signal, because i have an application with a s5-135, and i have to make migration to S7, but in the s5 program they not read directly the value from analog signals they use a FB218 and FB219for read analog signals, and they use this value for make a regulation PID, but i cant see how theyscalethe value of the signals, jejeje. Hi In manual SIMATIC S5-135U/155U System Manual , in chapter 9 you will find information about scaling of the Pt100, dipend of type of analog modul.. (But for me the thing is not so clear). But you can use this information and comparing with S5 programm, I hope that you find the answers. regards umencho

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