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[CA11] EV-1 Sensor ROT Data
06-04-18, 01:18 AM (This post was last modified: 06-06-18 09:01 AM by Chuck - Raymarine - Moderator.)
Post: #1
[CA11] EV-1 Sensor ROT Data
In addition to the RayMarine MFDs, I also use an iPad with iNavX. It gets NMEA 0183 data from a wireless gateway from Yacht Devices.

While doing some testing, I see that the EV-1 is sending ROT data ranging from -2.8° to +2.5°... that's over a 5° range. The ROT data changes frequently (every second at least) and falls somewhere within this range.

Here's the issue... the boat is stationary on the dock!

Why would the EV-1 be reporting that large of an ROT range on a non-moving boat?

In order to ensure this was not an issue with the wireless gateway and translation to NMEA 0183, I also captured raw NMEA 2000 PGNs and the data in those packets matches the info provided by the wireless gateway.

EV-1 is running firmware version 2.18, which is the latest. All other RayMarine components also updated to the latest firmware.

Attaching network design in case it helps figure this out.

Image showing the deviation info on the p70s:
https://www.dropbox.com/s/1l9yt51u9p5d86...s.jpg?dl=0

Video 1: This is the ROT on the Master Axiom Pro 12 RVX (v 3.4.66) - Notice how the ROT changes very rapidly:
https://www.dropbox.com/s/ta7c0a8x4dt9xv...2.MOV?dl=0

Video 2: This is the ROT on the Slave Axiom Pro 12 RVX (v 3.4.66)- Notice how the ROT changes less rapidly than on Master. Next I move the camera to the i70s, configured to show ROT. Notice how it stays at 0. STRANGE!
https://www.dropbox.com/s/3foevp3bnwk4ff...s.MOV?dl=0

The numbers on the iNavx app change like the numbers on the slave MFD.

Any ideas on how to troubleshoot this further?

thanks!
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[CA11] EV-1 Sensor ROT Data - rsqunit - 06-04-18 01:18 AM

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