NMEA serial input simulation

Discussion of configuring and troubleshooting communication to PLC's or other devices using iX Developer.
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steveroberts
Posts: 1
Joined: Fri Oct 19, 2012 4:42 am

NMEA serial input simulation

Post by steveroberts »

I have a GPS input running NMEA 01.80 which works fine with a GPS system connected. I have recorded data from the GPS and doctored the Speed Over Ground data so that I can simulate movement. I have tried every variant of connection but have been unable to get the HMI to recognise the data when played back using a serial adaptor running from my laptop. I have rechecked the serial port settings and the serial adaptor settings and found nothing. Any suggestions

mark.monroe
Posts: 824
Joined: Tue Mar 13, 2012 9:53 am

Re: NMEA serial input simulation

Post by mark.monroe »

You may need to use a null modem, or if you are using one, remove it. You can look here for information on how to debug comm issues.
Best Regards,
Mark Monroe

Beijer Electronics, Inc. | Applications Engineer

fsturlese
Posts: 36
Joined: Tue Nov 22, 2011 11:57 am

Re: NMEA serial input simulation

Post by fsturlese »

Have you re-calculated the checksums after altering the sentences recorded from the GPS?

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