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Subject: Re: [ocpp] Groups - CR Unit of Measure - Currency
Hi Rish, (All),
I believe that using any currency symbols would not be a good idea, as only two are covered by ASCIII/ANSI code tables, so it would drop us deep into obscure parts of Unicode, an when you take the world overall, new currencies and/or currency symbols are not that rare.
Whenever/however currencies are formally introduced into OCPP (as part of tariffing and pricing or otherwise), they should always be identified by the internationally standardized three letter upper-case currency codes (“USD”, “CAD”, “EUR” ,“GBP”, etc.).
From: firstname.lastname@example.org [mailto:email@example.com.
org] On Behalf Of Robert de Leeuw
Sent: 07 November 2016 10:33
To: Rish Ghatikar
Subject: Re: [ocpp] Groups - CR Unit of Message uploaded
Hi Rish, (All)
The current proposal is based on OCPP 1.6, DeviceModel and the discussion in LA.
Without tariffing & pricing and don't see a use case for things like: $/kWh. or even $ etc.
So I would propose that the Tariffing & Pricing proposal will have to add units that are fitting/needed.
Complexity with adding things like: dollar, euro... then we will need to add them all. Which ofcourse can be done...
I dont know the correct IETF/ISO/IEC standard, have to google it, but we should reference that specification in OCPP 2.0 IF we need a currency unit..
2016-11-03 20:55 GMT+01:00 Rish Ghatikar <firstname.lastname@example.org>:
As discussed, unit for "currency" is missing -- most of the dynamic pricing tariffs represent price of power and energy, for example, as, $/kWh or $/kW. Also, in certain instances "multiples" are used -- e.g., 2x, 4x, etc. that are indicative of the additional prices on top of the "normal" or "base" price that are determined between the utility and consumer.
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From: email@example.com <firstname.lastname@example.org> on behalf of Robert de Leeuw <email@example.com>
Sent: Monday, October 31, 2016 2:12:44 PM
Subject: [ocpp] Groups - CR Unit of Message uploaded
I have just upload the CR (Charge Request) for Unit of Measure.
Please take a look at it. Let me know if you have any remarks.
-- Mr. Robert de Leeuw
Document Name: CR Unit of Message
Proposed Charge Request for Unit of Measure in the next version of OCPP.
New list of units and proposal to create it as an extensible enumeration.
Download Latest Revision
Public Download Link
Submitter: Mr. Robert de Leeuw
Group: OASIS OCPP Electric Vehicle Charging Equipment Data Exchange TC
Folder: Work items
Date submitted: 2016-10-31 14:12:26
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