lawry Posted September 15, 2012 Report Share Posted September 15, 2012 Hi, I have established communication between a third party instrument & a V130 B1, on the Ethernet. I have to read 64 FLOATING POINT Registers on Modbus TCP from this equipment & display it on the V130, as and when desired. I am able to read bytes, but not the Floats. Can anyone help me on this? Thanks Lawry Link to comment Share on other sites More sharing options...
MVP 2023 Joe Tauser Posted September 16, 2012 MVP 2023 Report Share Posted September 16, 2012 Upload your program so we can have a look. Joe T. Link to comment Share on other sites More sharing options...
Damian Posted September 16, 2012 Report Share Posted September 16, 2012 If you are trying to read it all in on one telegram it will be too large. You will have to split it up. You are limited to 256bytes including the header and trailer. 4*64 is exactly 256. It will need to be split up in at least 2 telegrams. Link to comment Share on other sites More sharing options...
2rlp Posted September 17, 2012 Report Share Posted September 17, 2012 Hi, Solved the problem by changing the 3rd party equipment's float format from IEEE to the Daniel format. Lawry Link to comment Share on other sites More sharing options...
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