Fuji Electric FRENIC MEGA G2 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 Position Control Section ·························································································· 8-8
8.7 Control Section ····································································································· 8-9
8.7.1 V/f control ····································································································· 8-9
[ 1 ] Common ······································································································ 8-9
[ 2 ] Without speed sensor ···················································································· 8-10
[ 3 ] With speed sensor ························································································· 8-11
8.7.2 Vector control ······························································································· 8-12
[ 1 ] Common ····································································································· 8-12
[ 2 ] Torque command / torque limit ········································································· 8-13
[ 3 ] Speed control / torque control ·········································································· 8-14
[ 4 ] Speed limit and over speed protection processing ················································ 8-15
[ 5 ] Motor drive ·································································································· 8-16
[ 6 ] PMSM drive ································································································· 8-17
8.8 FM Output Section ································································································ 8-19