We ensure the right, infinitely variable speed!
Performance counts, and our frequency converters have something “in store”.
We can offer you MICROMASTER, MICROMASTER Vector and the MIDIMASTER Vector – and thus technology at its best.
Micromaster 440 · Micromaster 420 · Micromaster 410
MICROMASTER 440 –The powerful jack of all trades
Typical applications:
A wide variety of applications in areas such as conveyor technology, textiles, lifts, cranes, mechanical engineering, foodstuffs and luxury goods.
- Compact housing
- Easy installation
- Refined vector control (speed/torque)
- Versatile inputs/outputs
- Menu-guided commissioning
- High overload capability
- Evaluation of motor pulse generator (option) for maximum controlled torque at lowest speeds (including zero speed)
- Modular system of expansion options
- CT (constant torque) and VT (quadratic torque) scalable
- Load torque monitoring
- 3 selectable sets of drive data for adapting to different operating situations
- Kinetic buffering against mains dips
- Compound braking for controlled rapid braking
- Integral brake chopper for powers up to 90 kW
- Free function modules
- 4 skip frequencies protect the machine against resonances
- Automatic restart
- Switch on to running drive without damaging the motor
- Motor temperature monitoring for integral motor protection
- Prepared for use on IT networks
- Available with and without integral EMC filter
Voltage and power ranges:
200 – 240 V, ± 10 %, 1 AC, 0.12 – 3 kW
200 – 240 V, ± 10 %, 3 AC, 0.12 – 45 kW
380 – 480 V, ± 10 %, 3 AC, 0.37 – 250 kW
500 – 600 V, ± 10 %, 3 AC, 0.75 – 90 kW
Operating temperature:
0.12 – 75 kW (CT): -10 – +50 °C; 90 – 200 kW (CT): 0 – +40 °C
Process control:
Internal PID controller (auto tuning)
Control types:
Vector control, FCC (flux-current control), multipoint characteristic (parameterisable U/f characteristic), U/f characteristic
Inputs:
6 digital inputs, 2 analogue inputs, 1 PTC/KTY input
Outputs:
2 analogue outputs, 3 relay outputs
Connection to automation systems:
The ideal partner for your automation tasks, both for connection to the SIMATIC S7-200 and also integrated in TIA systems with SIMATIC and SIMOTION