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S7 1200 stepper motion problem

Created by: ElektroNcz. at: 5/23/2017 6:29 AM (1 Replies)

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5/23/2017 6:29 AM	Rate (0)
ElektroNcz. Posts: 1 Rating: (0)	Hi,i am new in plc programing.I am testing first motion program(i have stepper driver geckodrive). But here is problem.I measure outputs on osciloscope but pwm do not work.Here is my program. I have cpu 1211C DC/DC/DC Attachment test motor krok.zip (104 Downloads)
ElektroNcz. Posts: 1 Rating: (0)	Last edited by: ElektroNcz. at: 5/23/2017 6:32:06 AM Last edited by: Min_Moderator at: 5/24/2017 10:17:08 AM Add attachment
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5/24/2017 10:33 PM	Rate (0)
grrrrrroooo Platinum Member Joined: 3/16/2015 Last visit: 10/10/2021 Posts: 1250 Rating: (173)	ElektroNcz. Hi,i am new in plc programing.I am testing first motion program(i have stepper driver geckodrive). But here is problem.I measure outputs on osciloscope but pwm do not work.Here is my program. I have cpu 1211C DC/DC/DC I don't have TIA14 yet. How are you generating the PWM? Aside from your Oscilloscope, does the output LEDs light up at all?

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