SN EN 60870-5-5 : 1995

Foreword
Introduction
1 Scope and object
2 Normative references
3 Definitions
4 Application services
4.1 Application service primitives
5 General concept of application functions
6 Basic application functions
6.1 Station initialization
6.2 Data acquisition
6.3 Cyclic data transmission
6.4 Acquisition of events
6.5 Acquisition of events by quick-check procedures
6.6 General interrogation - Outstation interrogation
6.7 Clock synchronization
6.8 Command transmission
6.9 Transmission of integrated totals (telecounting)
6.10 Parameter loading
6.11 Test procedure
6.12 File transfer
6.13 Acquisition of transmission delay
Annex ZA (normative) Normative references to
international publications with their corresponding
European publications

Defines basic application functions that perform standard procedures for telecontrol systems. Applies to telecontrol equipment and systems with coded bit serial data transmission for monitoring and controlling geographically widespread processes.