Fuji Electric frenic mini series - Chapter 4 BLOCK DIAGRAMS FOR CONTROL LOGIC

Chapter 4
BLOCK DIAGRAMS FOR CONTROL LOGIC
This chapter describes the main block diagrams for the control logic of the FRENIC-Mini series of inverters.
Contents
4.1 Symbols Used in the Block Diagrams and their Meanings......................................................................... 4-1
4.2 Drive Frequency Command Generator ....................................................................................................... 4-2
4.3 Drive Command Generator......................................................................................................................... 4-4
4.4 Terminal Command Decoders..................................................................................................................... 4-6
4.5 Digital Output Selector ............................................................................................................................. 4-10
4.6 Analog Output (FMA) Selector ................................................................................................................ 4-12
4.7 Drive Command Controller....................................................................................................................... 4-14
4.8 PID Frequency Command Generator........................................................................................................ 4-16