Fuji Electric FRENIC-Ace series - Chapter 8 Block Diagrams for Control Logic

Chapter 8
BLOCK DIAGRAMS FOR CONTROL LOGIC
This chapter describes the main block diagrams of the control section.
Contents
8.1
Meanings of Symbols Used in the Control Block Diagrams ············································· 8-1
8.2 Frequency Setting Section ······················································································· 8-2
8.3 Operation Command Section ··················································································· 8-5
8.4 PID Control Section (for Processing) ·········································································· 8-6
8.5 PID Control Section (for Dancer) ··············································································· 8-7
8.6 Control Section ····································································································· 8-8
8.6.1 V/f control ····································································································· 8-8
[ 1 ] Common ······································································································ 8-8
[ 2 ] Without speed sensor ····················································································· 8-9
[ 3 ] With speed sensor ························································································· 8-10
8.6.2 Vector Control ······························································································ 8-11
[ 1 ] Common ····································································································· 8-11
[ 2 ] Torque command / Torque limit ········································································· 8-12
[ 3 ] Speed control / Torque control ·········································································· 8-13
[ 4 ] Speed limit and Over speed protection processing ··············································· 8-14
[ 5 ] For IM ········································································································· 8-15
[ 6 ] For PMSM ··································································································· 8-16
8.7 FM Output Section ································································································ 8-18