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MICROMASTER 420 article

The Micromaster 420 inverter is designed as an univesal inverter for 3-phase networks and optional field-bus connection. It has a modular design enabling the extensive range of 'standard' functions to be added to with a wide veriety of options. The operator panels and communications modules are designed to be simply pluged into the inverter without the need for tools.

Typical uses for the Micromaster 420 series
Conveyor systems; material transport; pumps; fans; and mechanical enginnering applications.

Technical Data

Voltages and
power ranges

200-240VAC, +/- 10%, 1-ph, 0.12 to 3kW (0.16 to 4hp)
200-240VAC, +/- 10%, 3-ph, 0.12 to 5.5kW (0.16 to 7.5hp)
380-480VAC, +/- 10%, 3-ph, 0.37 to 11kW (0.5 to 15h.p.)

Operating temperature

110 deg C to +50 deg C

Process control

Internal PI controller

Types of control

FCC (Flux Current Control), multipoint characteristic
(paramerterizable V/f characteristic), V/f characteristic

Inputs

3 digital inputs, 1 analogue inputs

Outputs

1 analogue output, 1 relay output

Link up to automation

The inverter partner for LOGO! and SIMATIC S7-200. The ideal partner for your automation needs, from connection to SIMATIC S7-200 to integration in TIA with SIMATIC and SIMOTION.

Micromaster 420 strengths in brief:
* Compact housing
* Easy to install
* Highly versatile inputs and outputs
* FCC control (Flux Current Control) for high drive quality, even when load changes occur
* Different methods of commissioning, via operator panel or cost-free software tool
* Modular system of inverter options
* Parameterizable acceleration / deceleration times (0 to 650 s)
* Compound braking for controlled rapid braking
* 4 skip frequencies for minimizing stress on the machine when resonance occurs
* Automatic restart
* Minimal stress on motor when inverter connected to rotating motor
* Integrated protection / overload functions
* Available with or without integrated EMC filter







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