Features - Siemens MICROMASTER 420 Operating Instructions Manual

Issue 07/04
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 a wide range of
applications
Simple cable connection
1 Output relay
1 Analog output (0 – 20 mA)
3 Isolated and switchable NPN/PNP digital inputs
1 Analog input, ADC: 0 – 10 V
The analog input can be used as the 4
BICO technology
Modular design for extremely flexible configuration
High switching frequencies for low-noise motor operation
Detailed status information and integrated message functions
Performance Characteristics
V/f Control
Flux Current Control (FCC) for improved dynamic response and motor
control
Multi-point V/f characteristic
Automatic restart
Flying restart
Slip compensation
Fast Current Limitation (FCL) for trip-free operation
Motor holding brake
Built-in DC injection brake
Compound braking to improve braking performance
Setpoint input via:
Analog input
Communication interface
JOG function
Motorized potentiometer
Fixed frequencies
Ramp function generator
With smoothing
Without smoothing
Closed-loop control with proportional-integral controller function (PI)
MICROMASTER 420 Operating Instructions
6SE6400-5AA00-0BP0
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digital input
1 Overview
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