J1772 Charging for the Tesla Roadster

[Kevin Sharpe]

Perhaps the two could share data?

we have tried repeatedly to encourage recargo to share data but they show little interest in a free and open database....

 

[BillB]

General Electric has introduced their version of a Level 2 charging station - Electric Vehicle Equipment from GE.

I attended the rollout at their factory in Mebane, NC last month, and plugged my Roadster ('08, VIN 244) with the 1772 adapter cable into the station they had installed in front of their factory.

The first time, it tripped the breaker: the car had remained programmed to 70A.
I reset the car to 30A, and reset the breaker - it tripped again (perhaps the breaker was hot?).
I reset the car to 24A and it charged satisfactorily.

My firmware is over a year old, and I suspect I need an update to properly read the pilot.

 

[ChargeIt!]

General Electric has introduced their version of a Level 2 charging station - Electric Vehicle Equipment from GE.

I attended the rollout at their factory in Mebane, NC last month, and plugged my Roadster ('08, VIN 244) with the 1772 adapter cable into the station they had installed in front of their factory.

The first time, it tripped the breaker: the car had remained programmed to 70A.
I reset the car to 30A, and reset the breaker - it tripped again (perhaps the breaker was hot?).
I reset the car to 24A and it charged satisfactorily.

My firmware is over a year old, and I suspect I need an update to properly read the pilot.

Since you have *NOT* recently had the firmware upgraded after ordering Tesla's adapter cable ... I am surprised it charged at all. I would expect either A] the Roadster to see the pilot signal (which should be 30A) and respect that; or B] not charge and trip the VDS (not the breaker) with an error. I am aware of non-updated 1.5 Roadsters (like yours) that do either A] or B] depending on the EVSE vendor. In the case of B] a firmware update resolved the issue. Your specific case/circumstances is a new one. Let Tesla know ... I am sure it will start with a firmware update to debug the issue, but the case may be new to them too.

(BTW, I don't think you can set the car to 30A, only 32A; that's probably why it still tripped triggered by an over-current condition in the EVSE ? Or as you suspect, a hot breaker.)

 

[W.Petefish]

I recently charged on a Blink Network charging station without the firmware update.

Perhaps a table of verified working chargers vs firmware update needed can be made?

 

[btown]

I just tried to charge at a Shorepoint charging station. The charging stations recognized that an EV was attached but the Roadster did not recognize it was connected. I packed the o-scope into the passenger seat and headed back to the charging station. I found that the pilot signal is only swinging from +12V to 0V instead of going from -12V to +12V. The Roadster is pulling the signal down to around 8V, which is why the charging station is happily recognizing the connection, but my guess is the Roadster is not happy with the lack of the negative side of the square wave. Has anyone successfully charged a Roadster on a Shorepoint system?

 

[folsomev]

Shorepoint? Perhaps ShorePower or ChargePoint

I just tried to charge at a Shorepoint charging station. ... Has anyone successfully charged a Roadster on a Shorepoint system?

I'm not familiar with a Shorepoint charging station. Perhaps you mean ShorePower or ChargePoint.

Tom Dowling

 

[btown]

I meant Shorepoint! Guess I sort of merged two of them. Sorry for the confusion.

 

[btown]

Wow, I just can't seem to get this straight. It is a SHOREPOWER charge station. Final answer!!!!!

 

[TEG]

Shorepower Tower Charging Station

Shorepower Cube Charging Station

Plug In America | We Drive Change

Shorepower WU-120 ... Shorepower's units are unique in that they take 240 volt input, but provide four Level 1 outputs, handling four EVs at once.

 

[btown]

The ones in Spokane look like the picture of the Shorepower tower, only they have a J1772 on the right and the level 1 on the left. At any rate, has anyone tried charging from a J1772 plug on one of these?

 

[TEG]

More info about Shorepower "ePump" tower:

Shorepower Technologies 2011-2015 2351 NW York Street, Portland, OR 97210 (503) 892-7345 ● [email protected]

http://www.shorepower.com/docs/SP-EV-Charging-Trifold.pdf

http://www.gogreensolar.com/products/shorepower-epump-tower-level-2-charging-station\

ePump stations from Shorepower Technologies combine the latest electric vehicle charging technology with unparalleled customization options for municipalities, private employers, retail environments and fleet locations

Shorepower Technologies ePumps commercial stations | AEE Solar

http://www.redcloudev.com/ev_charging_specs.pdf

http://mydocs.epri.com/docs/publicm...NWTEDLUQG/E235519_NonRoad_Electrification.pdf

http://www.earthwindandfire.biz/pdf/22-ev_charging_systems.pdf

http://www.southeastdiesel.org/Presentations for 4th Annual Meeting/Day 3/Idle Reduction Workshop/4 - Licari.pdf

REDCloud EV - Electrification of Light Duty Fleets


Shorepower Charging Station
1441 East Mission Avenue, Spokane, WA 99220

Shorepower Charging Station
808 West Spokane Falls Boulevard, Spokane, WA 99201-3333

Shorepower Charging Station
159 South Lincoln Street, Spokane, WA 99201-4420

 

[TEG]

I wonder if these work? :

Electric Vehicle Charging Station Overview

 

[tomsax]

More info about Shorepower "ePump" tower

Cathy and I tried the Shorepower station at OMSI in Portland, OR. The station recognized the Roadster as an EV, but the Roadster did not recognize the station. (The station said it was plugged into an EV, waiting for the command to start charging, while the Roadster was still in the "connect power" state.) Another Roadster owner had the same experience with the station in Spokane. The other owner and I have been talking to the Shorepower folks, but we haven't figured out what the problem is yet.

 

[tomsax]

I wonder if these work?

There is a PEP station installed in Florence, OR, but I haven't been down there to try it out yet. I talked to the guy in charge there and he explained that these guys are the most popular charging station maker?!?

 

[TEG]

...The other owner and I have been talking to the Shorepower folks, but we haven't figured out what the problem is yet.

Didn't he say that the Pilot Signal has unusual voltage levels?

 

[mpt]

Slightly OT but, last night I was charging from a J1772 (that's the connection) and noticed that when you switch on the car whilst charging, as well as the amp meter showing current, the 2.x power gauge displays is too!

 

[W.Petefish]

I gotta do that when I get home to my HPC and see how much it is charging.

 

[vfx]

... the 2.x power gauge displays is too!

Does one read 12 and the other more like 8?


1.5s don't have that display.

 

[btown]

Other owner = Daniel?
Didn't he say that the Pilot Signal has unusual voltage levels?

I am the other owner Tom was referring to. I put an O-Scope on the pilot signal and discovered that the Shorepower Stations (in Spokane at least) only swing the pilot signal from 0 to +12V. The -12V swing is not there!!! Since the -12V swing is really the integral part of the safety system, I'm not quite sure how they pass UL without it.

 

[DarkStar]

I am the other owner Tom was referring to. I put an O-Scope on the pilot signal and discovered that the Shorepower Stations (in Spokane at least) only swing the pilot signal from 0 to +12V. The -12V swing is not there!!! Since the -12V swing is really the integral part of the safety system, I'm not quite sure how they pass UL without it.

Very few commercial J1772 EVSEs pass proper +12/-12 volt control pilot signal. Since there is a required GFCI test, that is considered sufficient for UL listing. There was a problem with the Shorepower units only putting out +11.5 volts on the control pilot pin, but this was fixed on all the Portland units at least.