sesmith72
New member
Do you know what the pulse rate for the YBE100530 happens to be?
VDO Gauge Guide
- Thread starter javelinadave
- Start date
Hey - if anyone needs a plug for the back of the VDO speedo ... this works well >>
WreckITFrank
Technical Excellence Contributor
here's the actual, probably the same thing tbh. took about 2-3 weeks to deliver...
These for the smaller vision gauges
Ariel, we have a Cummins R2.8 bus with both termination resistors in place. 60 ohms can+ to can-. Hooked up the new VDO Singleviu tach configured as CAN and resistance drops to 40 ohms. Unhooked the tach and plugged in another Singleviu gauge with the same 8 pin plug and, as expected, the resistance stays 60 ohms.If the engines are J1939 compatible it should work. Resistance has to measure 60ohms across the data lines. On the SingleViu wiring it's the Pink and white wires. You can also do color changing if you hook up the pink and white wires in series (must use larger harness on tach or speedo with Pink/White wires). I can also demonstrate by making videos on how to set parameters and such.
Back to the tach, fired up the engine. The Cummins supplied Murphy gauge displays engine hours and rpm values. The tach displays the same engine hours, but the needle doesn't move. Given the engine hours, most likely from the ECU, correctly displayed by both the Murphy gauge and the tach, I believe the tach is correctly configured as CAN and that our conection to the bus is correct.
I'm reluctant to warrant it out as a defective gauge until we're sure it's the problem. Can you give us any suggestions?
I think I found it. The 80 & 100 mm Singleviu tach and speedo apparently have an *internal* termination resister and a red jumper pins 3 & 4 of the 12 pin molex to activate the resister. With tach and a speedo on each end of a privare network for comfort settings only for VDO gauges with analog inputs, these resisters are needed.
My bad, I read pins 3 & 4 for *optional* termination resistor, looked, didn't see one, and decided that is where you solder one if needed. We don't need when hooking gauges to the R2.8 J1939 CAN bus because Cummins has already correctly terminated both ends.
My bad, I read pins 3 & 4 for *optional* termination resistor, looked, didn't see one, and decided that is where you solder one if needed. We don't need when hooking gauges to the R2.8 J1939 CAN bus because Cummins has already correctly terminated both ends.