7/25/2023 11:47 AM | |
Joined: 10/11/2006 Last visit: 9/30/2024 Posts: 5909 Rating: (805)
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Hello, it's easier to use TO. 6.4.7 CPU 1511C-1 PN/CPU 1512C-1 PN (Onboard-Peripherie) (S7-1500, S7-1500T) https://support.industry.siemens.com/cs/ww/en/view/109812056 |
With best regards, |
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7/25/2023 3:16 PM | |
Joined: 5/12/2022 Last visit: 10/31/2023 Posts: 8 Rating: (0) |
Thanks! So I can use it with a simple PWM servo? I always thought that TOs were designed for more advanced use case! |
7/25/2023 4:02 PM | |
Joined: 5/12/2022 Last visit: 10/31/2023 Posts: 8 Rating: (0) |
My servo is a simple PWM servo with no encoder. Can I still use TO? All documentation I see mention some sort of encoder data, but I don't have it. Is it possible to create a TO and skip the encoder part? |
7/28/2023 1:04 PM | |
Joined: 10/11/2006 Last visit: 9/30/2024 Posts: 5909 Rating: (805)
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Hello, yes, it is described in the manual: Select "S7 analog output" output format Select analog drive connection For the selection of the analog output, create a PLC tag of the "Int" type with corresponding address. The offset for the PLC tag of the control interface of the PWM channel is 2. To activate the output of the PWM signal, set the following two bits of the control interface of the PWM channel in the user program: • SW_ENABLE (= bit 0 in byte 9) • TM_CTRL_DQ (= Bit 1 in Byte 9) The offset for byte 9 to the start address of the PWM channel is 9. https://support.industry.siemens.com/cs/ww/en/view/109812056 You find speed at the settings for the TO. 4.1 Technologyobject Speedaxis S7-1500/S7-1500T Achsfunktionen
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With best regards, |
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