Control.com - Nerds in Control
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Control.com member...
Member Information and Posts by tallgirlHow do you feel about security exceptions not being, you know, informative?
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> I would not create your own code ... since Digi sells generic Modbus bridging, we occasionally...
Low cost power meter-data acquisition.
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It's easier, and potentially more accurate if you don't care about Real versus Apparent power.
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from the 100A breakers dropout when producing 1kW department...
High Current No power on Generator EngagementWhen 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
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Are you sure the generator is in phase, and locked to stay in phase, with the grid?
And what...
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?
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First, there are, and have been for decades, microcontrollers that can present summed values in...
modbus pulse counter - estimate the cumulative water/gas used so far.
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For someone just starting out with Modbus, I'd suggest the pulse counter. Current loop is loads of...
from the Control department...
How to connect a Modbus slave device to PC when its address is unknownModbus RS485 to PC
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FTDI makes some nice wire-end terminated USB to RS485 adapters. They are about $30 in quantity 1...
from the Things I shouldn't do alone department...
Protocol extensions for multiple Modbus/RTU MastersLooking for any previously defined extensions to Modbus/RTU which permit multiple bus masters
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> You have some interesting ideas and I can see applications where they might be very useful.
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crc errors using modbus application with Rxtx library
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Both RxTx and Jamod, as downloaded from the Interwebs have issues.
That said, Jamod can be made...
MODBUS RS485 PC adapter
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The other approach, if you're worried about power, would be the use a USB to RS485 adapter (FTDI...
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