For control purposes we need the data in Floating point format only. Use double quotes around phrases, as follows: Note that common words and, that, etc. Your subscription request is being processed. By Joe Malter on 2 February, – If not you may have a problem.

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By Joe Malter on 2 February, – To search the site, enter your search terms in the box labeled “search the site” and hit Enter.

Note that common words and, that, etc.

By Wonderwate Galarneau on 3 February, – We are having problems in reading the flow rate of Micromotion flowmeter on Wonderware software using modbus protocol, when it is in Floating point format Then in wonderware you need to add two intergers back together and convert to floating point. Please help us to solve the problem.

There omdbus be a setting in the Wonderware HMI that will allow you to select the register order or possibly in the Micromotion. Is this due to non-availability of standard in Modbus for Floating point data? Please log in and try again. For control purposes we need the data in Floating point format only. Fortune There are no manifestos like cannon and musketry.


If you are using the standard Wonderware Modicon driver then address the volumetric flow rate in floating point by entering F as the item name. Not sure what you can do in the Micromotion flowmeter but basically you need to convert floating to interger split interger into two words.

Wonderware Modbus MBTCP OI Server

Some tips for better search results You have to convert the floating point to interger and then back to floating point. Standard Modbus will not handle floating point. By Jerry Miille on 3 February, – 4: If so what is the solution to it.

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Wonderware Device Integration and Communication

Remember me on this computer. We have checked the addressing but still the problem is not solved. This could be simply a matter of register reversal, that is the order of the bits that make up the bit floating point number.

The Micromotion Modbus manual indicates floats as registers. If not, then you will need a converter that can reverse the data for you. Look in the docs and find the floating point register pair for the value you need. This is a common problem between equipment from different manufactures. Username Password Remember me on this computer.


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Your subscription request is being processed. Select the categories for which you would modbuz to see messages displayed Please read those terms and conditions carefully. When the flowrate is configured to integer format we do get the flowrate properly but when it is configured for Dual register Floating point format, it gives erratic reading.

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This works for any of the floats in the manual. By Mark on 2 February, – Some perform wonderare word swap, but how to do it is not always obvious.