Symbols ......................................................................................................................................A3-1
Examples of Signal Names ......................................................................................................... A3-7
Symbols Used .............................................................................................................................A3-8
A4 Telecontrol Interfaces .......................................................................................A4-1
A4.1 Telecontrol Interface per EN 60870-5-101 or IEC 870-5-101 (Companion Standard)
.................................................................................................................................. A4-1
A4.1.1 Interoperability ............................................................................................................................................A4-1
A4.2 Communication Interface per IEC 60870-5-103 ........................................................A4-9
A4.2.1 Interoperability ............................................................................................................................................A4-9
A5 P634 Version History ........................................................................................ A5-1
P634 Table of Contents
8 P634/EN M/R-42-A // P634‑311‑653