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Control.com member...
Member Information and Posts by tallgirl
Topic: Software, including programming, OS issues, etc.
from the Annoying Exceptions department...
Negative Acknowledge and Bad Karma
Originally posted by Julie in Austin on 18 February, 2012 - 2:05 pm
How do you feel about security exceptions not being, you know, informative?
New Replies:
> I would not create your own code ... since Digi sells generic Modbus bridging, we occasionally...
Topic: Application Questions and Problems
from the Forum department...
Low cost modbus meters
Originally posted by Raj on 16 November, 2009 - 4:32 pm
Low cost power meter-data acquisition.
New Replies:
It's easier, and potentially more accurate if you don't care about Real versus Apparent power. ...
Topic: Power generation equipment control.
from the 100A breakers dropout when producing 1kW department...
High Current No power on Generator Engagement
Originally posted by 11sas11 on 17 February, 2012 - 5:02 pm
When we parallel to the grid after 2 minutes or so the 100 A breakers drop out. We have only been outputting around 1 ~4 kW
New Replies:
Are you sure the generator is in phase, and locked to stay in phase, with the grid? And what...
Topic: Continuous process industries, DCS questions.
from the Forum department...
After Software, What's Next?
Originally posted by Charles Moeller on 27 January, 2012 - 6:30 pm
Reliable hardware is solved but not software. If we are able to produce a hardware solution to most control problems, who will be its champion?
New Replies:
First, there are, and have been for decades, microcontrollers that can present summed values in...
Topic: Sensor technologies.
from the Forum department...
modbus pulse counter
Originally posted by Jaime Rebolledo on 31 October, 2011 - 4:18 pm
modbus pulse counter - estimate the cumulative water/gas used so far.
New Replies:
For someone just starting out with Modbus, I'd suggest the pulse counter. Current loop is loads of...
Originally posted by Hafeezullah on 15 February, 2012 - 12:10 pm
Modbus RS485 to PC
New Replies:
FTDI makes some nice wire-end terminated USB to RS485 adapters. They are about $30 in quantity 1...
Topic: Software, including programming, OS issues, etc.
from the Things I shouldn't do alone department...
Protocol extensions for multiple Modbus/RTU Masters
Originally posted by Julie on 27 January, 2012 - 7:27 pm
Looking for any previously defined extensions to Modbus/RTU which permit multiple bus masters
New Replies:
> You have some interesting ideas and I can see applications where they might be very useful. ...
Topic: Software, including programming, OS issues, etc.
from the Forum department...
Crc errors using jamod with Rxtx library
Originally posted by walgrind on 18 December, 2011 - 1:24 pm
crc errors using modbus application with Rxtx library
New Replies:
Both RxTx and Jamod, as downloaded from the Interwebs have issues. That said, Jamod can be made...
Topic: Engineering and workplace issues.
from the Forum department...
RS-485 to USB adapter
Originally posted by bill on 9 June, 2011 - 11:24 am
MODBUS RS485 PC adapter
New Replies:
The other approach, if you're worried about power, would be the use a USB to RS485 adapter (FTDI...
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