Jan 30, 2023 · Modbus is one of the oldest industrial communication protocols still in use today. Continue reading to find out how the protocol works and how to use it for monitoring and control.

Sep 2, 2025 · This article introduces Modbus, an industrial protocol that laid the foundation for fieldbus communication in industrial systems.

Mar 19, 2021 · Learn about the advantages of Modbus over newer protocols when choosing an interface with third-party devices.

Modbus data frames The Modbus communication standard defines a set of commands for reading (receiving) and writing (transmitting) data between a master device and one or more slave …

Jan 9, 2024 · Open Modbus adds two other IEEE754 32 bit floating formats with its LE button which selects between Big Endian and Little Endian. Win-tech two standard FP formats …

Feb 9, 2025 · Since the sensors were connected via daisy chain, only one comm port was in use, so all the sensors used the same serial comm settings, baud rate, parity, stop bit. So what …

Apr 5, 2022 · Modbus is a communication protocol stemming from the early days of Modicon PLCs, but is still common today. These two example implementations of Modbus transactions …

Nov 2, 2017 · Hi, I am new to Modbus. Right now I am trying to communicate and read registers from PM5100 Schneider Digital Meter via USB485B (USB to RS485 Converter) using …

Aug 3, 2007 · I try to communicate CP341 with modbus rtu slave but the response at the funcion code 05 or 15 is always exception code 04. what kind of error is this?? anybody know ???

Jun 25, 2008 · Modbus is a protocol. You can use Modbus protocol over Ethernet, it is then called Modbus TCP/IP. Commonly used by Schneider Electric, as Schneider bought the company …