How to Read Modbus Data with Python - Part 2

[@ammarshahid5443]

thank you so much for these videos. they were really helpful

[@Chipsee]

Thanks for leaving a comment, glad you find it helpful!

[@swannschilling474]

Thanks for that logging trick!! Thats great!!

[@Chipsee]

Glad you find it helpful :)

[@longfeizhao1436]

So good for beginners

[@Chipsee]

We're glad you find it helpful :)

[@markopopoland]

Hold_read_registers by default read 2 bytes

[@shwetamali8880]

Why it's is giving me empty list

[@Chipsee]

Maybe your device doesn't have serial ports? Are you using a Chipsee product? Which list is empty?

[@adsboonyadol]

กำลังส่ง: Slave ID=1, Address=0, Value=10
DEBUG:pymodbus.logging:Current transaction state - IDLE
DEBUG:pymodbus.logging:Running transaction 1
DEBUG:pymodbus.logging:SEND: 0x1 0x6 0x0 0x0 0x0 0xa 0x9 0xcd
DEBUG:pymodbus.logging:New Transaction state "SENDING"
DEBUG:pymodbus.logging:Changing transaction state from "SENDING" to "WAITING FOR REPLY"
DEBUG:pymodbus.logging:Changing transaction state from "WAITING FOR REPLY" to "PROCESSING REPLY"
DEBUG:pymodbus.logging:RECV: 0x1 0x3 0x0 0x0 0x0 0xa 0xc5 0xcd
DEBUG:pymodbus.logging:Processing: 0x1 0x3 0x0 0x0 0x0 0xa 0xc5 0xcd
DEBUG:pymodbus.logging:Frame check failed, ignoring!!
DEBUG:pymodbus.logging:Resetting frame - Current Frame in buffer - 0x1 0x3 0x0 0x0 0x0 0xa 0xc5 0xcd
DEBUG:pymodbus.logging:Getting transaction 1
DEBUG:pymodbus.logging:Changing transaction state from "PROCESSING REPLY" to "TRANSACTION_COMPLETE"
เกิดข้อผิดพลาดในการส่งข้อมูล: Modbus Error: [Input/Output] No Response received from the remote slave/Unable to decode response