Features; Options - Siemens MICROMASTER 420 Operating Instructions Manual

Issue 04/02
1.2

Features

Main characteristics
Easy installation
Easy commissioning
Rugged EMC design
Can be operated on IT line supplies
Fast repeatable response time to control signals
Comprehensive range of parameters enabling configuration for widest range of
applications
Simple cable connection
Modular design for extremely flexible configuration
High switching frequencies for low-noise motor operation
Detailed status information and integrated message functions
External options for PC communications, Basic Operator Panel (BOP),
Advanced Operator Panel (AOP) and Profibus Communications Module
Performance characteristics
Flux Current Control (FCC) for improved dynamic response and motor control
Fast Current Limitation (FCL) for operation with trip-free mechanism
Built-in DC brake
Compound Braking to improve braking performance
Acceleration/deceleration times with programmable smoothing
Closed-loop control using Proportional, Integral (PI) control loop function
Multi-point V/f characteristic
Protection characteristics
Overvoltage/undervoltage protection
Overtemperature protection for the inverter
Ground fault protection
Short-circuit protection
2
i t thermal motor protection
PTC for motor protection
MICROMASTER 420 Operating Instructions
6SE6400-5AA00-0BP0
1 Overview
17