Modbus/TCP??

[Hugo van der Kooij]

On Mon, 27 Aug 2007, Andrew Cruse wrote:

> I'm looking to take my monitoring of a transfer switch to the next level
> beyond just dry-contacts.   The switch manufacturer offers a monitoring card
> that is TCP/IP capable, but it does not expose the various things it
> monitors over SNMP, but instead uses ModBus/TCP.  I've not run into that
> format before, but I gather it is, or is rapidly becoming, the standard
> communication protocol for similar devices.  Has anyone come up with a
> Nagios plugin that works with ModBus/TCP??  Unless I'm just not searching
> for the right thing, Google has been of no help at all.

Based on the modbus.org website it seems this is not an open protocol and 
implementing it might open one up to legal claims. Not being a lawyer 
makes me a bit cautious. This might impede others as well.

Hugo.

-- 
 	hvdkooij at vanderkooij.org	http://hugo.vanderkooij.org/
 	    This message is using 100% recycled electrons.

 	Some men see computers as they are and say "Windows"
 	I use computers with Linux and say "Why Windows?"
 	(Thanks JFK, for this quote of George Bernard Shaw.)

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