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IEC 60870-6-501 1st Edition, December 1, 1995
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Telecontrol Equipment and Systems - Part 6: Telecontrol Protocols Compatible with ISO Standards and ITU-T Recommendations - Section 501: TASE.1 Service Definitions
Additional Comments: BILINGUAL
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Scope and object

This section of IEC 870-6 defines the services provided by a telecontrol specific application-service- element – the Telecontrol Application Service Element No. 1 (TASE.1) – for the exchange of process data in telecontrol systems.

The main goals for the design of these services are:

— simplicity;

— adaptability;

— independence of lower layer architecture;

— extensibility;

— efficiency;

— performance;

— maintainability.

The services of TASE.1 are:

— services for defining, changing, deleting and inspecting information groups;

— services for managing the transfer of information groups and blocks of information from different groups;

— services for supervisory control.

The TASE.1 services are provided by the use of the TASE.1 protocol (IEC 870-6-502) in conjunction with the Remote Operations Service Element (ROSE) services (ISO/IEC 9072-1), the ROSE protocol (ISO/IEC 9072-2), and the Association Control Service Element (ACSE) services (ISO 8649) and the ACSE protocol (ISO 8650).

The services defined in this standard allow communication between telecontrol end systems. The primitives comprise a minimum set able to fulfil the following requirements:

— allowing the inclusion of OSI standard protocols for all layers;

— allowing extensions of the services to cope with future OSI requirements.

The services can be applied for the exchange of realtime data, as well as historical and planning data.