Functionality.................................................................................... 786Function block................................................................................. 786Signals.............................................................................................787Settings............................................................................................788Operation principle ......................................................................... 790Frequency values....................................................................... 791Summation block 3 phase 3PHSUM.................................................... 792Functionality.................................................................................... 792Function block................................................................................. 792Signals.............................................................................................793Settings............................................................................................793Operation principle ......................................................................... 794Global base values GBASVAL............................................................. 794Identification.................................................................................... 794Functionality.................................................................................... 795Settings............................................................................................795Primary system values PRIMVAL.........................................................795Identification.................................................................................... 795Functionality.................................................................................... 795Settings............................................................................................796Section 23 IED hardware.................................................................... 797Overview...............................................................................................797Variants of case size with local HMI display.................................... 797Case from the rear side................................................................... 799Hardware modules................................................................................804Overview..........................................................................................804Numeric module (NUM)...................................................................805Introduction.................................................................................805Functionality............................................................................... 805Technical data............................................................................ 806Power supply module (PSM)........................................................... 807Introduction.................................................................................807Design........................................................................................ 807Technical data............................................................................ 807Local human-machine interface (Local HMI)...................................808Transformer input module (TRM).................................................... 808Introduction.................................................................................808Design........................................................................................ 808Technical data............................................................................ 809Table of contentsPhasor measurement unit RES670 2.2 ANSI 27Technical manual
