jaycklein03
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Posts posted by jaycklein03
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Thank you for the response. I added the Build Message and created a buffer.
My problem now is with the COM Tx block. For the A parameter it does not specify what data type it is looking for. I have tried several different data types but I keep getting an error saying "This parameter cannot be linked to this data type". What is this parameter looking for?
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Hello,
I am on a similar path with trying to figure out sending/receiving protocol messages. I see how you create the messages, but not how you trigger sending a message. The only options I see for COM: Protocol, Third-party are CRC, Build and Parse message and I can't find anything in the help explaining how to use these.
Jared
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Hello,
I am receiving a 15 byte long hex status message from a device over an RS-485 network and storing the message in an MI vector on a V570. The 5th and 6th bytes of the status message are the High and Low bytes of the value I want to display. the 5th byte stores in one MI and the 6th in the MI after (466 and 467). So if 5 is 04 and 6 is 8B I should get 1163 when converted to DEC. The values are coming in as 0004 and 008B, which if I convert gives me 262,283.
My question is how do I combined only the MSB of the two registers to achieve the number I am looking for? I tried mapping register bytes, but apparently this only works when the bytes are in the same register.
Thanks to anyone who can help me out with this.
Sincerely,
Jared
Find text in comments?
in Vision & Samba PLC + HMI Controllers & VisiLogic Software
Posted
Hello,
This probably isn't as elegant of a solution as you are looking for, but you can turn your ladder code into a PDF and search for text in the comments that way. Just go to print and save as a pdf, then hit cntrl - F and type what you want to find in the search.
You could also just make a bit that does nothing and give it a name you can search for later.
Like I said, not elegant but I can't think of another way in Visilogic.
Best of luck to you.