How do I integrate an ABB to DeltaV via Modbus
I set the ABB to 16 bit modicon on the com port and can only get whole numbers. If I set the registries to 32 bit I get gibberish. I am needing to get the values from the chromatograph with the decimals not just integers. Any ideas on my word order being conflicting between the two systems? The ABB is the slave...
what abb system are you using. and its modbus tcp? or rtu. how are you setting these "registries" up. they need to match on both sides but if you're reading them as ints then obv they're signed or unisgned INT's on both sides. Depending on what your setup is, theres a lot of different options for this, i assume its not plc connect as that modbus driver only works as a master on the abb side, far as i know. worst case i guess you could multiply the values by 100, read them as ints, then divide by 100 in the master and you have your two decimal points. as a work around until you figure it out, or provide more information here on what you're working with