Jan 30, 2023 · Introduction to Modbus and Modbus Function Codes Modbus is one of the oldest industrial communication protocols still in use today. Continue reading to find out how the …

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

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

Jul 26, 2007 · I am learning more about MODBUS, and I would like to know how I make the Modbus device communicate with the PC. Like for example, how do I gather outputs/inputs …

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 ???

Aug 14, 2020 · Modbus slave never have a slave node address zero, by definition. If you have more one slave, wire and connect to only one slave initially to get comm up and running.

May 10, 2004 · If you have floating point values to "present" to a Modbus master I presume you intend your instrument to be a Slave. In this case you would have to respond to a command #3 …

Dec 12, 2003 · Is there any way time stamping can be done using MODBUS protocol? i know that Modbus has the limitation of time stamping... but is there any software to enable time …

May 22, 2012 · Modbus Poll is the master and you must disconnect the existing master before using it. If the situation is that you actually use Modbus Poll as master the problem could be …

Jan 11, 2011 · Modbus and HTTP are application level protocols, which means they provide some organization and meaning to the data so your software can make sense of it. Modbus is a very …