SIEMENS MICROMASTER 420 – Drive Technologies

MICROMASTER 420 standard AC drives provide the perfect combination of flexibility, performance, and ease of use.  Right out of the box this drive is ready to run less-demanding applications. The configurable I/O and Flux Current Control Mode enhance its operation for more demanding applications. This flexibility makes this product ideal for machine builders and end-users when looking to standardize on one AC drive.

Standard Features

  • DIN Rail mountable
  • PID process controller
  • Integrated RS 485 communications
  • Optional communication modules include PROFIBUS, CanOpen, DeviceNet™ communication
  • Configuration and programming via keypad, STARTER, or DriveMonitor software

Typical Applications

The MICROMASTER 420 is suitable for fluid/flow, conveyor, and various types of machine control within the following industries:

  • Packaging / converting
  • Pulp & paper / forest products
  • Petro-chemical
  • Baggage handling
  • Aggregate / cement

Technical Information

Voltage and Power Ranges 200-240 V, ± 10%, 1-ph AC, 0.16 to 4 HP (0.12 to 3 kW)

200-240 V, ± 10%, 3-ph AC, 0.16 to 7.5 HP (0.12 to 5.5 kW)

380-480 V, ± 10%, 3-ph AC, 0.5 to 15 HP (0.37 to 11 kW)

Control Types V / Hz, Voltage Boost, Slip Compensation, FCC (Flux Current Control)
Standards UL, cUL, CE, C-Tick
Operating Temperature –10 to +50 °C (+14 to +122 °F)
Degree of Protection IP20

MICROMASTER 420 0.12 kW – 11 kW

The MICROMASTER 420s are a range of frequency inverters for controlling the speed of three phase AC motors. The various models available range from the 120 W single-phase input to the 11 kW three-phase input.
The inverters are microprocessor-controlled and use state-of-the-art Insulated Gate BipoIar Transistor (IGBT) technology. This makes them reliable and versatile. A special pulse-width modulation method with selectable Pulse frequency permits quiet motor operation. Comprehensive protective functions provide excellent inverter and motor protection.
The MICROMASTER 420 with its default factory settings, is ideal for a large range of simple motor control applications. The MICROMASTER 420 can also be used for more advanced motor control applications via its comprehensive parameter lists.
The MICROMASTER 420 can be used in both ‘stand-alone’ applications as well as being integrated into ‘Automation Systems’.

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 4th digital input
♦ BICO technology
♦ Modular design for extremely flexible configuration
♦ High switching frequencies for low-noise motor operation
♦ Detailed status information and integrated message functions

Protection characteristics
♦ Overvoltage/undervoltage protection
♦ Overtemperature protection for the inverter
♦ Ground fault protection
♦ Short-circuit protection
♦ PTC for motor protection

Options for MICROMASTER 420 Technical specifications

TECHNICAL DATA

PROFIBUS MODULE
6SE6400‑1PB00‑0AA0

DEVICENET MODULE
6SE6400‑1DN00‑0AA0

CANOPEN MODULE
6SE6400‑1CB00‑0AA0

     

Size (height x width x depth)

161 mm x 73 mm x 46 mm

Degree of protection

IP20

Degree of pollution

2 to IEC 60 664-1 (DIN VDE 0110/T1), no condensation permitted during operation

Strain resistance

To DIN IEC 60 068-2-6 (if module is installed correctly)

  • Stationary
  • Deflection

0.15 mm in the frequency range of 10 Hz to 58 Hz

  • Acceleration

19.6 m/s2 in the frequency range of 58 Hz to 500 Hz

  • Transport
  • Deflection

3.5 mm in the frequency range 5 Hz to 9 Hz

  • Acceleration

9.8 m/s2 in the frequency range 9 Hz to 500 Hz

Climatic category (during operation)

3K3 to DIN IEC 60 721-3-3

Cooling method

Natural air cooling

Permissible ambient or cooling agent temperature

  • Operation

-10 °C to +50 °C (+14 °F to +122 °F)

  • Storage

-25 °C to +70 °C (-13 °F to +158 °F)

-40 °C to +70 °C (-40 °F to +158 °F)

  • Transport

-25 °C to +70 °C (-13 °F to +158 °F)

Relative humidity (permissible humidity rating)

  • Operation

≤85 % (non-condensing)

  • Storage and transport

≤95 %

Electromagnetic compatibility

  • Emission

to EN 55 011 (1991) Class A

  • Interference

to IEC 60 801-3 and EN 61 000-4-3

Power supply

6.5 V ±5 %, max. 300 mA, internal from inverter or 24 V ±10 %, max. 350 mA, external

6.5 V ±5 %, max. 300 mA internal from inverter and 24 V, max. 60 mA from DeviceNet bus

The CAN bus is supplied from the inverter power supply

Output voltage

5 V ±10 %, max. 100 mA, galvanically isolated supply

  • for terminating the serial interface bus or
  • for supplying the OLP (Optical Link Plug)

Data transmission rate

max. 12 MBaud

125, 250 and 500 kBaud

10, 20, 50, 125, 250, 500, 800 kBaud and 1 MBaud

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