Hello,

I could not find a way to temporarily stop the PV780 from transmitting J1939 messages. The display needs to stop transmitting when a config tool sends a message out, indicating that it will start reprogramming a device on the bus. It then needs to begin transmitting again, when the "all clear" message is received. I believe I can see how to do this with free form messages, but I would like to be able to this with the J1939 library, and can't figure it out.

Thanks,
- Mike, Pilot Systems

Hello Mike,

You can use the DM13, PGN 57088, to suspend most network traffic. The PV780 should stop transmitting requests or other parameters transmitted with the J1939 Transmitter. If your config is transmitting free form messages, you will need to program the control yourself.

The J1939 application has a DM13 Status variable that you should be able to monitor to determine when to stop/start transmission.

Thanks! I'll try it out when I get a CAN tester up and running.