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S120 emulating different torque loads

11/12/2014 11:42 AM	Rate (0)
mpavetic Posts: 2 Rating: (0)	I work with Sinamics S120 drive, using CU320-2PN and PM340 to control 1LA9063-4KA11 induction motor. I've been carrying out some torque control tests and now I'm wondering if it's possible to set torque limitation value with special signal, instead of limiting torque value directly in field (upper or lower). e.g. I want to emulate different load profiles (fans, pumps, etc.), that is, I want to control torque limit value according to speed of connected (emulated) load. I will try to give more detailed description if needed, but please bear in mind that I am beginner and still learning.
mpavetic Posts: 2 Rating: (0)
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11/12/2014 12:33 PM	Rate (1)
Technology Team Platinum Expert Joined: 10/11/2006 Last visit: 1/16/2026 Posts: 6068 Rating: (828)	Hello mpavetic, with Sinamics S120 you have the possibility to add a so called Drive Control Chart (DCC)to your drive object. In the standard library you will find different blocks for performing calculations, logical operations etc. For example you can read in your actual speed into DCC, calculate a torque value depending on this speed and connect the output to the corresponding drive parameters. Here you will find a documentation for DCC: http://support.automation.siemens.com/WW/view/en/103497608
	With best regards, Technology Team Application consulting and pre sales support for SINAMICS, SIMATIC Technology, SIMOTION, SIMOTICS and MOTION CONNECT
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This contribution was helpful to 1 thankful Users mpavetic

11/13/2014 8:57 AM	Rate (0)
mpavetic Posts: 2 Rating: (0)	I'm pretty much sure this is what I was looking for. Many thanks!
mpavetic Posts: 2 Rating: (0)
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