SDU Front Settings

[Jason12]

Hello Team,

I Have a Tesla front SDU with the latest version board fitted.

I want to bench Tesla with a 48V supply can you please advise the reccomended settings for this.

I have a Tesla pedal, precharge contactor setup.

Thanks!!


{
"boost": 2200,
"fweak": 220,
"fweakstrt": 400,
"fconst": 800,
"udcnom": 25,
"fslipmin": 2,
"fslipmax": 6,
"fslipconstmax": 6,
"sincosofs": 2048,
"fmax": 600,
"dirchrpm": 100,
"dirmode": 1,
"ocurlim": 1200,
"pinswap": 0,
"potmin": 0,
"potmax": 2600,
"pot2min": 4095,
"pot2max": 4095,
"potmode": 0,
"throtramp": 10,
"throtramprpm": 20000,
"ampmin": 5,
"slipstart": 40,
"sinecurve": 0,
"throtfilter": 4,
"brakeregen": 0,
"regenramp": 100,
"regentravel": 5,
"offthrotregen": 0,
"cruiseregen": 0,
"regenrampstr": 50,
"maxregentravelhz": 0,
"brklightout": -50,
"bmslimhigh": 50,
"bmslimlow": -1,
"udcmin": 0,
"udcmax": 450,
"idcmax": 5000,
"idcmin": -5000,
"idckp": 2,
"idcflt": 9,
"tmphsmax": 85,
"tmpmmax": 300,
"throtmax": 100,
"throtmin": -100,
"accelmax": 1000,
"accelflt": 3,
"iacmax": 800,
"chargemode": 0,
"chargecur": 0,
"chargekp": 80,
"chargeki": 10,
"chargeflt": 8,
"chargepwmin": 0,
"chargepwmax": 90,
"idlespeed": -100,
"idlethrotlim": 50,
"idlemode": 0,
"holdkp": -0.25,
"speedkp": 0.25,
"speedflt": 5,
"cruisemode": 0,
"cruisethrotlim": 50,
"udcsw": 0,
"udcswbuck": 540,
"tripmode": 2,
"bootprec": 0,
"pwmfunc": 0,
"pwmgain": 100,
"pwmofs": 0,
"canspeed": 2,
"canperiod": 1,
"nodeid": 1,
"controlid": 63,
"controlcheck": 1,
"manualstart": 0,
"fslipspnt": 0,
"ampnom": 0
}

[tom91]

search.php?keywords=bench+test+settings

[Jason12]

Thanks but I'm not seeing anything under that search.

[tom91]

?!?

Many people have created topics on this and it has been laid out many times.

https://openinverter.org/wiki/Tesla_Setup_FAQ

[nubster]

You definitely don't ever want UDCSW set to 0. For a 48V bench test, I would set it to ~38V. Setting it to zero will allow the main contactor to close before the system has precharged, which is dangerous and can damage the inverter.