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Modbus RTU over TCP releases

Written by Benjamin Pinnerup

Updated at May 26th, 2026

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Internal Article

 

SIA Connect Standalone (ARM32) SIA Connect Standalone Plus (ARM64) ANY-Ware
(x86)
Changelog
Modbus_RTU_over_TCP-0.2.9 Modbus_RTU_over_TCP-arm64-0.2.9 Modbus_RTU_over_TCP-x86-0.2.9

2025-12-17

  • Feature: Added support for INT64 and UINT64
Modbus_RTU_over_TCP-0.2.8   Modbus_RTU_over_TCP-x86-0.2.8

2024-06-04

  • Bugfix: Endianness not properly applied for int16 and uint16 data types
Modbus_RTU_over_TCP-0.2.7   Modbus_RTU_over_TCP-x86-0.2.7

2024-01-16

  • Bugfix: Floating point resolution set to 0 would remove that digit if this was 0. E.g. “120.321” would become “12” when floating point resolution was set to 0
Modbus_RTU_over_TCP-0.2.6   Modbus_RTU_over_TCP-x86-0.2.6

2023-12-11

  • Option to select between persistent or non-persistent connection
  • Endianness and byte swap implemented for strings
Modbus_RTU_over_TCP-0.2.5   Modbus_RTU_over_TCP-x86-0.2.5

2023-08-15

  • Retain connection and keep it alive throughout the whole session
Modbus_RTU_over_TCP-0.2.4
 
  Modbus_RTU_over_TCP-x86-0.2.4
 

2023-08-09

  • Write preset option added to select whether to use multiple or single coils and registers when writing to slave


 

 

tcp modbus

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