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How can I get the number of RX's?


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Hi

I need to count the number of times the PLC receive some information. As shown in picture below, the receptions' number is 113, but when I try counting it using the SB 135 and a Increment, the number in MI 0 is less than the number in the serial monitor. The counter can't get all the packages. For example, the serial monitor shows me 113 but MI 0 shows me 50. How can I solve it?

 

Thanks

post-51984-0-33463200-1469047258_thumb.png

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  • 3 weeks later...

SB136 is the data receive bit for COM2(as noted by DaveE thats the one in your pic)

 

If your using the Protocol Scan FB there is a MB(user selected) that sets when it receives a valid message.  Have you tried using this MB as the trigger for the count?

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