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➜ (Not Working ) Nucleo F767ZI communication Modbus RS 485 Using Max 485 Module
(Not Working ) Nucleo F767ZI communication Modbus RS 485 Using Max 485 Module
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Posted by
| Kalai
(1 post) Bio
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Date
| Mon 29 Jul 2024 05:32 AM (UTC) Amended on Mon 29 Jul 2024 05:53 AM (UTC) by Kalai
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Message
| Hi i am New for Arm mbed ,MY project is i want to Control 3 phase induction motor speed using VFD
Here my inovance VFD controlling by (RS 485 Communication Using Max 485 Module) STM 32 Nucleo F767ZI controller,
My slave ID -01,
Baud rate -9600.
modbus data format -8-N-2,
All my VFD Setting was done and Cross checked by USB to RS 485 Driver using modbuspoll Software.(Here i controlling Motor Speed and Direction)
my connection max 485 drive
Nucleo PD_6 (RX)->RO
RE and DE short connect Digital pin PC_8
Nucleo PD_5 (Tx)->DI
VCC connect 5V power supply
A connect VFD 485+
B connect VFD 485-
Gnd connect with GND
this photo is MY VFD Setting
IMG20240724184108
1920×2560 338 KB
Below i Attached my code | Top |
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Posted by
| Nick Gammon
Australia (23,101 posts) Bio
Forum Administrator |
Date
| Reply #1 on Mon 29 Jul 2024 08:20 PM (UTC) |
Message
| |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | Top |
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