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about simodrive 611U analog input

Created by: Hello_world at: 5/26/2006 9:03 AM (1 Replies)

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5/26/2006 9:03 AM	Rate (0)
Hello_world Posts: 2 Rating: (0)	Dear all: Anybody know how long it will take to finish A/D convert? I want to use 611U analog input as speed setpoint. And this application need a fast response on position loop, so I want to know this time. Have a nice weekend! LiuTong 26/05/2006
Hello_world Posts: 2 Rating: (0)
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9/6/2006 8:58 PM	Rate (0)
Dave Posts: 271 Rating: (29)	Hello_world, Your acceleration time probably depends more upon the inertia of your load and components of the drive system you decide to use. It is good practice to keep the inertia ratio of load:motor at 3:1 or less for excellent responsiveness. The drive size and motor size will dictate how much torque you will end up with at the motor shaft. Then a calculation could be made. A good tool for drive and motor selection from Siemens is SIDIM which can be found at http://support.automation.siemens.com. Hope this helps...
Dave Posts: 271 Rating: (29)
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