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Omron PLC BCD double register read
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Topic: Omron PLC BCD double register read (Read 854 times)
kabir
Newbie
Posts: 8
Omron PLC BCD double register read
«
on:
August 01, 2018, 09:41:34 PM »
Hello Guys
Quick question I am trying to read a BCD value from an omron CQM1 PLC via RS232 port, I have found that the BCD value is spread across two consecutive 'DM' registers each, containing 4 digits. I can use a label in advanced HMI to display each of the registers individually however before I do some sort of code to join these together then display I would like to know if there is a way for advanced hmi to read these values and display them correctly without code.
I have tried using 'LDXXXX' instead of just DXXXX but these two options show the same result.
Regards
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Archie
Administrator
Hero Member
Posts: 5322
Re: Omron PLC BCD double register read
«
Reply #1 on:
August 01, 2018, 10:11:42 PM »
I don't remember if this will work, but in the 3.99y beta version, you can use address modifiers like this:
D1000@B
They can be combined, so maybe
D1000@LB (which is what I am not sure about working)
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kabir
Newbie
Posts: 8
Re: Omron PLC BCD double register read
«
Reply #2 on:
August 11, 2018, 09:15:54 AM »
Still have not had any luck with this im thinking about using the datasubscriber2 with some code but currently looking for info on how to code for the datasubscriber2
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Omron PLC BCD double register read