Hi Florian,
If you have a look at http://en.wikipedia.org/wiki/Modbus you can see the
difference in frame format.
Basically there are three variants:
Modbus RTU - modbus over serial interface, includes using CRC
calculations for error checking
Modbus RTU over TCP - sends the RTU
Hi Matt,
On Fri, Jan 07, 2011 at 10:33:34PM +1030, Matt Baker wrote:
Unfortunately though I discovered that the device I am using to do the
Modbus conversion supports Modbus/TCP for interfaces connected
directly, but provides a Modbus RTU over TCP for other external Modbus
serial devices.
I
Hi Florian,
I managed to build against modbus 2.0.3 using the code checked out using the
Git repository and this appears to function just fine.
Unfortunately though I discovered that the device I am using to do the Modbus
conversion supports Modbus/TCP for interfaces connected directly, but
Hi Octo,
Thankyou for getting back to me so quickly and your help. I will give the
updated code a try later today.
The plan in regards to the modbus plugin was to use Collectd as part of a
building management system. At the moment we have some airconditioning and
power systems connected by
