International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference CLC/TS 50457-2:2008
Title Conductive charging for electric vehicles - Part 2: Communication protocol between off-board charger and electric vehicle
Project Number 16662
Abstract/Scope This Technical Specification applies to the communication data link between external charger and electric road vehicle for the charging procedure, using the most common communication link. This Part 2 applies to communication data link between the off-board charging system with direct current and electric road vehicles. The aspects covered are the physical layer, the data link layer and the communication applicative layer. This Technical Specification does not cover communication between dedicated off-board charger and their electric vehicle. Annex A gives an example of normal operation.


Current Stage code 6060
Current Stage code date 2008-03-21
Current Stage code deadline  
Deadline date for vote  


Order Voucher  


IEC Technical Body IEC/TC 69
Reference Document  
ICS 35.240.60 - IT applications in transport and trade
43.120 - Electric road vehicles
Keywords Vehicle;Charching; Conductive charging; Off board charger; Communication
Note Supersedes ENV 50275-2-4:1998 * D122/068: Whole ENV series to be withdrawn once TS 50457-1 & -2 are approved
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2008-03-21   export to doc file  EN
5099 2007-03-01 2007-07-01  
5060 2007-01-23 2007-02-05 export to doc file  EN
5020 2006-10-20 2007-01-19 export to doc file  EN
1090 2004-12-07 2007-01-03  

Implementation Dates

date of Ratification (DOR) (1) 2007-03-01
date of Availability (DAV) (2) 2008-03-21
date of Announcement (DOA) (3) 2008-07-01
date of Publication (DOP) (4) -
date of Withdrawal (DOW) (5) -


Supersedes ENV 50275-2-4:1998
Superseded by  
Normative reference (6)  

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.