PD IEC TR 60870-6-504 is an international standard that discusses the telecontrol protocols compatible with ISO standards and ITU-T recommendations.
PD IEC TR 60870-6-504 is a technical report that defines rules for usage of the TASE.1 Application Programming Interface (TAPI), i.e., parameter usage and service primitive sequencing.
PD IEC TR 60870-6-504 sets forth the rules, considered as an extension to the rules enforced by the Telecontrol Application Service Element 1 (TASE.1) itself, and typically constitutes further restrictions on parameter values, etc.
Note 1: Internal Functional Unit structures, Coordinating Function structure (see clause 4) and structural relationships between these are not within the scope of PD IEC TR 60870-6-504, as these are only conceptual entities, serving as a convenient means for describing TASE.1 service primitive sequences.
Note 2: All non-communicational aspects of application processes, such as local database design/access, and data consistency considerations across different local data access modes are not within the scope of PD IEC TR 60870-6-504.
PD IEC TR 60870-6-504 on Telecontrol protocols is relevant to:
The TASE.1 Application Programming Interface (TAPI) provides a set of well-defined functions to an application programmer wishing to base an application process on the telecontrol protocols for real-time data acquisition and setpoint control.
PD IEC TR 60870-6-504 serves the purpose to provide a consistent set of rules for the use of the TAPI, or more specifically, rules for the usage of TAPI parameter values and sequencing of Telecontrol Application Service Element service primitives. It is intended to be used as a general reference for specifying the capabilities of Telecontrol application processes
PD IEC TR 60870-6-504 defines several “atomic” function packets, or Functional Units (FU), in order to achieve consistency. It is recommended that inter-operational characteristics of any telecontrol application process claiming conformity with global standards should be specified, by quoting the Functional Units (FU) it supports.
PD IEC TR 60870-6-504 gives a UECS Proforma for the TASE.1 User Elements, which constitutes a User Element Conformance Statement (UECS). It also gives a UEXIT Proforma, which provides a User Element Extra Information for Testing UEXIT).
Overall, PD IEC TR 60870-6-504 is useful as it provides guidance on telecontrol protocols compatible with ISO standards and ITU-T recommendations which can be beneficial for your business.