find all readable and writable address in machine by modbus without write

[DS]

I all, I have a slave which use modbus protocol. I'm interesting to map all the readable and writeable addresses. There is a way with minimal impact on slave? I tried to use pymodbus in a for loop for all addresses between 0 and 20000 but this procedure create a eeprom error in slave.

many thanks 

best regards

[Mehmet Demir]

Hi, 

Modbus Protocol is allow 125 words and Modbus cycle 25ms. So you need read part part. but I think you not need all data. Because your devices can't allow all data. 

DS <denis.sa...@gmail.com>, 24 Eyl 2021 Cum, 09:56 tarihinde şunu yazdı:

I all, I have a slave which use modbus protocol. I'm interesting to map all the readable and writeable addresses. There is a way with minimal impact on slave? I tried to use pymodbus in a for loop for all addresses between 0 and 20000 but this procedure create a eeprom error in slave.

many thanks 

best regards

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