12/19/2010 9:49 PM | |
Posts: 50 Rating:
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Hello, AttachmentModbus_Application_Protocol_V1_1b.pdf (689 Downloads) |
10/9/2011 3:25 AM | |
Posts: 8 Rating:
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Hi, Thank you we were able to build the float value swapping the registers at the PLC. With this we could read all the Float data types like, Voltage, current, power etc. We have a similar problem reading the Active Energy and Reactive Energy. We see 5 values at the PLC unable to arrive at the value shown on the display of PAC3100 PAC3100 connected to Rockwell Compactlogix Controller. Attached is screenshot showing the values in the PLC. Corresponding Reactive Energy: 216892.15 kvarh 1) Why are 5 values appearing when we have defined 4 registers to be read starting from 805. 2) How do we arrive at the actual Reactive energy Can somebody help? Attachmentplc program screenshot-1.pdf (648 Downloads) |
10/9/2011 3:30 AM | |
Posts: 8 Rating:
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The code used for deciphering the actual float values is attached for reference: A similar code may be required for arriving at the Active Energy and Reactive Energy values. But it seems it is not so easy, as the code for arriving at correct float values. AttachmentRSLogix 5000 Report(s)-MFM.pdf (635 Downloads) |
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