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SFC communication for siwarex U

Created by: JankoHrasko at: 9/20/2012 12:45 PM (3 Replies)

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9/20/2012 12:45 PM	Rate (0)
JankoHrasko Posts: 2 Rating: (0)	How should I use the SFC communication for siwarex U? Only the I/O communication is described everywhere. I need to perform calibration via TP. How can I read the real digits or zero the scales via the SFC, for example?
JankoHrasko Posts: 2 Rating: (0)	Last edited by: O_Moderator at: 9/21/2012 9:49 AM new subject after splitting from /tf/WW/en/Posts/32203#top
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9/24/2012 10:03 AM	Rate (0)
Siwarexi Gold Expert Joined: 1/4/2007 Last visit: 12/5/2024 Posts: 1153 Rating: (175)	Hello JankoHrasko, Which order-number has your Siwarex U module (7MH4601-… or 7MH4950-…)? I ask, because myanswer depends on your Siwarex U module. Best regards Siwarexi

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9/24/2012 10:41 AM	Rate (0)
JankoHrasko Posts: 2 Rating: (0)	Siwarexi Hello JankoHrasko, Which order-number has your Siwarex U module (7MH4601-… or 7MH4950-…)? I ask, because myanswer depends on your Siwarex U module. Best regards Siwarexi 7MH4950-2AA01
JankoHrasko Posts: 2 Rating: (0)
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9/24/2012 1:38 PM	Rate (0)
Siwarexi Gold Expert Joined: 1/4/2007 Last visit: 12/5/2024 Posts: 1153 Rating: (175)	Hello JankoHrasko, I recommend you to use the Step7 example program for the Siwarex U 7MH4950-2AA01. You can find it on the internet: http://support.automation.siemens.com/WW/view/en/17831309/133100 Into that Step7 example program the FB45 is handling the communication between the PLC and the Siwarex U module. The FB45 is using internal the SFB communication (in the past it was the SFC communication). The sending of commands or to read/send data from/to the Siwarex U module is quite easy. Please download the Step7program, send the wholeStep7 programto your PLC and afterwards I explain youhow youcanread the real digits or zero the scales. Best regards Siwarexi

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