A Modbus RTU CRC-16 calculation package by Valtoris
Project description
Valtoris Modbus RTU CRC-16 Calculator
A lightweight, zero-dependency Python package for calculating the Modbus RTU CRC-16 checksum.
🚀 Free Interactive Web Version
If you don't want to write code and just need to quickly verify a Modbus hex frame in the field, use our free web tool: 👉 Launch the Valtoris Modbus CRC-16 Web Calculator
💻 Installation
pip install valtoris-modbus-crc16
⚙️ Usage
from valtoris_modbus_crc16 import calculate_modbus_crc16
# Example: Slave ID 01, Read Holding Registers 03, Start Address 0000, Length 0001
result = calculate_modbus_crc16("01 03 00 00 00 01")
print(result) # Output: 84 0A
## 🏭 About Us
This open-source package is maintained by **[Valtoris Electronics](https://valtoris.com/)**. We manufacture industrial 4G routers and Modbus gateways designed for extreme SCADA environments.
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