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en.wikipedia.org/wiki/Modbus

Modbus is a serial communications protocol originally published by Modicon ( now Schneider Electric) in 1979 for use with its programmable logic controllers ...

.ask.com/youtube?q=Modbus+for+Dummies&v=OvRD2UvrHjE
Feb 4, 2010 ... A Quick overview of Modbus RTU by John Rinaldi of Real Time Automation. http:/ /www.rtaautomation.com/

www.intea.hr/downloads/introduction_to_modbus.pdf

4: Serial Transmission Modes of MODBUS networks. 4.1. ASCII Mode. 4.2. RTU Mode. 5: MODBUS MESSAGE FRAMING. 5.1. ASCII Mode Message Frames.

www.csimn.com/CSI_pages/Modbus101.html

A brief introduction to Modbus is provided here, along with links to more detailed information about the Modbus protocol.

www.ni.com/white-paper/7675/en

Aug 1, 2014 ... The Modbus industrial protocol was developed in 1979 to make communication possible between automation devices. Originally implemented ...

www.chipkin.com/files/liz/MODBUS_2010Nov12.pdf

Modbus for Field Technicians. Revision 1.0. Any reproduction or re-transmission in whole or in part of this work is expressly prohibited without the prior consent ...

www.micronor.com/products/files/AN112/AN112_NIModbusTutorial.pdf

MODBUS is an application-layer protocol based on a client/server or request/ reply architecture. It was published by Modicon and 1979 and is primarily used in  ...

www.simplymodbus.ca/faq.htm

What is the difference between Modbus ASCII and Modbus RTU? ... Modbus is a serial communication protocol developed by Modicon published by ModiconĀ® ...

jamod.sourceforge.net/kbase/protocol.html

At this level Modbus is a stateless client-server protocol (e.g. much like HTTP), based on transactions, which consist of a request (issued by the client) and a ...

langhofer.at/fileadmin/downloads/sineaxcam/Modbus_Basics.pdf

The Modbus protocol was originally developed by Modicon (nowadays Schneider Electric) for the data ... The Modbus protocol is in fact a single master protocol.