21.9.1 Functionality....................................................................................................................................1263
21.9.2 Function block................................................................................................................................ 1264
21.9.3 Signals.............................................................................................................................................. 1264
21.9.4 Settings............................................................................................................................................1266
21.9.5 Operation principle ....................................................................................................................... 1267
21.9.5.1 Frequency values........................................................................................................................ 1268
21.10 Summation block 3 phase 3PHSUM................................................................................................1269
21.10.1 Functionality................................................................................................................................... 1269
21.10.2 Function block................................................................................................................................ 1269
21.10.3 Signals.............................................................................................................................................. 1269
21.10.4 Settings............................................................................................................................................1270
21.10.5 Operation principle .......................................................................................................................1270
21.11 Global base values GBASVAL............................................................................................................ 1270
21.11.1 Identification................................................................................................................................... 1271
21.11.2 Functionality.................................................................................................................................... 1271
21.11.3 Settings.............................................................................................................................................1271
21.12 Primary system values PRIMVAL...................................................................................................... 1271
21.12.1 Identification................................................................................................................................... 1271
21.12.2 Functionality.................................................................................................................................... 1271
21.12.3 Settings............................................................................................................................................ 1272
Section 22 IED hardware.......................................................................................................1273
22.1 Overview............................................................................................................................................... 1273
22.1.1 Variants of case size with local HMI display..............................................................................1273
22.1.2 Case from the rear side.................................................................................................................1275
22.2 Hardware modules.............................................................................................................................1280
22.2.1 Overview.......................................................................................................................................... 1280
22.2.2 Numeric processing module (NUM)........................................................................................... 1280
22.2.2.1 Introduction.................................................................................................................................1280
22.2.2.2 Functionality.................................................................................................................................1281
22.2.2.3 Block diagram..............................................................................................................................1282
22.2.3 Power supply module (PSM)........................................................................................................ 1282
22.2.3.1 Introduction................................................................................................................................. 1282
22.2.3.2 Design........................................................................................................................................... 1282
22.2.3.3 Technical data..............................................................................................................................1283
22.2.4 Local human-machine interface (Local HMI)............................................................................ 1283
22.2.5 Transformer input module (TRM)............................................................................................... 1283
22.2.5.1 Introduction................................................................................................................................. 1283
22.2.5.2 Design........................................................................................................................................... 1283
22.2.5.3 Technical data............................................................................................................................. 1285
22.2.6 Analog digital conversion module, with time synchronization (ADM) ............................... 1286
22.2.6.1 Introduction................................................................................................................................. 1286
22.2.6.2 Design........................................................................................................................................... 1286
Table of contents
37
Technical manual