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10 engineering information – Siemens MICROMASTER 411 User Manual

Page 115

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Issue 03/01

10 Engineering Information

MICROMASTER 411 & COMBIMASTER 411 Operating Instructions

6SE6400-5CA00-0BP0

115

10 Engineering

Information

This Chapter contains:

Operating Modes

Derating Factors

Motor and Inverter Protection

10.1

Current Limit and Overload Operation .................................................................. 116

10.2 Control

and

Operating Modes ............................................................................... 119

10.3 Braking .................................................................................................................. 131
10.4 Derating

Factors.................................................................................................... 135

10.5

Thermal Protection and Automatic De-rating........................................................ 137

10.6

Operation from Unearthed Supplies...................................................................... 137

10.7 Lifetime

of Inverters............................................................................................... 137

10.8 Working

with

Binary Connectors (BiCo)................................................................ 138

10.9 Harmonic

Currents ................................................................................................ 145

10.10

Use of MM4 Input Chokes..................................................................................... 146

10.11 Power

Losses........................................................................................................ 146

10.12 Shock

and

Vibration .............................................................................................. 147

10.13 PROFIBUS ............................................................................................................ 148
10.14 PROFIBUS Module ............................................................................................... 149
10.15 Variant

Independent Options ................................................................................ 151