Home » Categories » Protocols » Modbus

I have limited or no experience with Modbus. How can I find out more about the protocol and command structure?
Article Number: 189 | Rating: 5/5 from 1 votes | Last Updated: Fri, Jun 27, 2014 at 5:46 PM

Watch our Modbus tutorial video:

http://www.youtube.com/watch?feature=player_embedded&v=k993tAFRLSE


Download the Modbus specification:

http://www.modbus.org
Custom Fields
    Posted by: Technical Support - Tue, Nov 28, 2006 at 2:56 PM This article has been viewed 24743 times.
    Filed Under: Modbus
    Attachments (0) Attachments
    There are no attachments for this article.
    Comments Comments
    There are no comments for this article. Be the first to post a comment.
    Icon Add Comment
    Name
    Email (Required, but not published)
    Comment
    Security Code Security Code
     
    Related Articles RSS Feed
    How do I read/write Modbus binary data?
    Viewed 1 times since Wed, Nov 29, 2006
    Can Modbus support redundant masters?
    Viewed 1 times since Tue, Nov 28, 2006
    How do I monitor the health of coms to my slaves when the module is a Master?
    Viewed 1 times since Wed, Nov 29, 2006
    Why is the bit or coil level data incorrect?
    Viewed 1 times since Tue, Nov 28, 2006
    Defining the Slave ID when issuing Modbus Broadcast write commands
    Viewed 1 times since Tue, Nov 28, 2006
    What are the causes of a -11 error code using a ProSoft Modbus product?
    Viewed 1 times since Mon, May 17, 2010
    How can I detect the feedback status of individual command successful or failed?
    Viewed 1 times since Wed, Nov 29, 2006
    Why are my PLX gateway modbus serial commands not executing despite being enabled?
    Viewed 1 times since Wed, Aug 12, 2015
    If I am reading the value from ProSoft 4x register, and it represents a digital input or digital output, how is the value stored?
    Viewed 1 times since Tue, Nov 28, 2006
    I have a ProSoft Modbus Master solution and would like to know, is the Slave Status List the best place to monitor for communications health of the network?
    Viewed 1 times since Tue, Mar 18, 2008
    • Icon SubscriberSubscribe to Article
    • Icon PrinterPrint Article
    • Icon EmailEmail Article to Friend
    • Icon PDFExport to PDF
    • Icon MS-WordExport to MS Word
    • Icon TwitterTweet This Article
    • Icon DiggDigg It
    • Icon StumbleuponStumble Upon
    • Icon de.icio.usDel.icio.us
    Article Rating (1 Votes)
    Rate this article
    Powered by PHPKB Knowledge Base Software