Siemens Inverter Drive, 7.5 kW, 3 Phase, 400 V ac, 22 A, MICROMASTER 420 Series

Micromaster 420,1-phase 230V input or 3-phase 440V input

Features and Benefits

Micro processor controlled, using IGBT technology
Simple to commission & set up
Works straight from the box, using factory set defaults. To change these defaults an optional operator panel is required
Selectable switching frequency to enable quiet motor operation
Modular design
Programmable & scalable analogue input 0 to 10V
Fully programmable relay output
Integral class A EMC filter for single phase type
External options for PC communications, operator panels or Profibus communications module
Optional operational panels for greater control, parameter setting/changing
Flux current control (FCC) for good dynamic response & motor control
Fast current limitation (FCL) for operation with trip-free mechanism
Built in d.c. injection brake
Acceleration/deceleration times with programmable smoothing
Closed-loop control using PI
Comprehensive range of protection functions e.g. over temperature, short circuit
The instructions and software utilities are supplied on a CD compatible with Windows NT and 2000 only

Applications

Can be used for advanced motor control applications via its comprehensive parameter lists

Note: An operator panel will be required to operate this unit or to modify the factory set parameters.

Siemens Micromaster 420//440 Range

The 400 series family is the next step in the evolution of the Micromaster inverter range. It builds on the success of the previous versions, which made it a global favourite for motor control.