Siemens MICROMASTER 420 - Page 14

(1*,1((5,1*,1)250$7,21 ,QWHUQDWLRQDO(QJOLVK
MICROMASTER 420 Reference Manual
6 Issue A1
2.10.6 Derating with Single-Phase Input............................................................................25
2.11 Cubicle Calculations ................................................................................................26
2.12 Thermal Protection and Automatic De-rating ..........................................................26
2.13 Operation from Unearthed Supplies........................................................................27
2.14 Multi-Motor Connection ...........................................................................................27
2.15 Control Modes (P1300) ...........................................................................................27
2.15.1 Linear V/f Control.....................................................................................................27
2.15.2 Flux Current Control (FCC) .....................................................................................27
2.15.3 Quadratic V/f Control...............................................................................................27
2.15.4 Multi-point V/f Control ..............................................................................................27
2.16 Working with Binary Connectors (BiCo) ..................................................................28
2.16.1 Introduction..............................................................................................................28
2.16.2 How does BiCo work? .............................................................................................28
2.16.3 Using Control and Status Words with BiCo.............................................................30
2.16.4 BiCo Connections....................................................................................................31
2.17 Acoustic Noise.........................................................................................................35
2.18 Harmonic Currents ..................................................................................................36
2.19 Power Losses ..........................................................................................................38