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



Reference EN 60870-5-5:1995
Title Telecontrol equipment and systems - Part 5: Transmission protocols - Section 5: Basic application functions
Project Number 6251
Abstract/Scope Applies to telecontrol equipment and systems with coded bit serial data transmission for monitoring and controlling geographically widespread processes. It defines a telecontrol companion standard that enables interoperability among compatible telecontrol equipment.


Current Stage code 6060
Current Stage code date 1995-07-25
Current Stage code deadline 1996-04-01
Deadline date for vote  


Mandate(s) M/490
Order Voucher  


IEC Technical Body IEC/TC 57
Reference Document IEC 60870-5-5:1995 (EQV)
ICS 33.200 - Telecontrol. Telemetering
Keywords Telecontrol; Transmission protocol; Basic function
Note EN following parallel vote
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 1995-07-25 1996-04-01 export to doc file  EN
5099 1995-07-04 1995-08-04  
5062 1995-05-23 1995-07-04  
5020 1994-12-16 1995-04-30  
1090 1994-12-15 1995-04-15  

Implementation Dates

date of Ratification (DOR) (1) 1995-07-04
date of Availability (DAV) (2) 1995-07-25
date of Announcement (DOA) (3) 1995-10-01
date of Publication (DOP) (4) 1996-04-01
date of Withdrawal (DOW) (5) 1996-04-01


Superseded by  
Normative reference (6) ISO 7498:1984
IEC 60050-371:1984
IEC 60870-1-1:1988
EN 60870-5-1:1993
EN 60870-5-2:1993
EN 60870-5-3:1992
EN 60870-5-4:1993

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of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn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