Siemens MICROMASTER 411 User Manual

1 Overview Issue 03/01
MICROMASTER 411 & COMBIMASTER 411 Operating Instructions
18 6SE6400-5CA00-0BP0
Performance Characteristics
 Flux Current Control (FCC) for improved dynamic response and motor control
 Fast Current Limitation (FCL) for trip-free operation
 Built-in DC injection brake
 Compound braking to improve braking performance
 Ramp function generator with programmable smoothing
 Control with Proportional-Integral control function (PI)
 Multi-point V/f characteristic
Protection characteristics
 MICROMASTER 411: Type of protection up to IP66 (comparable to NEMA 4X)
 COMBIMASTER 411: Type of protection up to IP55 (comparable to NEMA 4)
 Overvoltage/undervoltage protection
 Overtemperature protection for the inverter
 Short-circuit protection
 i
2
t thermal motor protection
 PTC for motor protection, via digital input 3
MICROMASTER 411 Variable Frequency Inverter COMBIMASTER 411 Variable
Frequency Inverter – Motor Combination
Figure 1-1 MICROMASTER 411 and COMBIMASTER 411 Variable Frequency Inverters

Siemens MICROMASTER 411 Specifications

General

Control Method	V/f control, Vector control
Output Frequency	0 - 650 Hz
Protection Class/Enclosure Rating	IP20
Input Frequency	47 - 63 Hz
Output Voltage	0 - Input Voltage
Communication Interfaces	PROFIBUS, RS485
Protection Features	Overvoltage, undervoltage, overcurrent, Overtemperature
Ambient Temperature	-10 to +50 °C (14 to 122 °F)