SIEMENS Frequency inverters MICROMASTER – MICROMASTER 440

MICROMASTER 440 Application

The MICROMASTER 440 inverter is suitable for a variety of variable-speed drive applications. Its flexibility provides for a wide spectrum of applications. These also include cranes and hoisting gear, high-bay warehouses, production machines for food, beverages and tobacco, packaging machines etc.; i.e. applications which require the frequency inverter to have a higher functionality and dynamic response than usual.

The inverter is especially characterized by its customer-oriented performance and ease-of-use. Its large mains voltage range enables it to be used all over the world.

MICROMASTER 440 Design

The MICROMASTER 440 has a modular design. The operator panels and the modules can be easiliy exchanged.

International standards
  • The MICROMASTER 440 inverter complies with the requirements of the EU low-voltage guideline.
  • The MICROMASTER 440 inverter has the CE marking.
  • Acc. to UL and c UL certified
  • c-tick
Main characteristics
  • Easy, guided start-up
  • Modular construction allows maximum configuration flexibility
  • Six programmable isolated digital inputs
  • Two scaleable analog inputs (0 V to 10 V, 0 mA to 20 mA) can also be used as a 7th/8th digital input
  • Two programmable analog outputs (0 mA to 20 mA)
  • Three programmable relay outputs (30 V DC/5 A, resistive load; 250 V AC/2 A, inductive load)
  • Low-noise motor operation thanks to high pulse frequencies, adjustable (observe derating if necessary)
  • Protection for motor and inverter
Options (overview)MICROMASTER 440
  • EMC filter, Class A/B
  • LC filter and sinusoidal filter
  • Line commutating chokes
  • Output chokes
  • Gland plates
  • Basic Operator Panel (BOP) for parameterizing the inverter
  • Plain text Advanced Operator Panel (AOP) with multilanguage display
  • Plain text Asian Advanced Operator Panel (AAOP) with Chinese and English display
  • Plain text Cyrillic Advanced Operator Panel (CAOP) with Cyrillic, German and English display
  • Communication modules
    • PROFIBUS
    • DeviceNet
    • CANopen
  • Pulse encoder evaluation module
  • PC connection kits
  • Mounting kits for installing the operator panels in the control cabinet doors
  • PC start-up tools, executable under Windows 98/NT/2000/XP Professional
  • TIA integration with Drive ES
Mechanical features
  • Modular design
  • Operating temperature
    • 0.12 kW to 75 kW: -10 °C to +50 °C (+14 °F to +122 °F)
    • 90 kW to 200 kW: 0 °C to +40 °C (+32 °F to +104 °F)
  • Compact housing as a result of high power density
  • Easy cable connection, mains and motor connections are separated for optimum electromagnetic compatibility
  • Detachable operator panels
  • Screwless control terminals on detachable I/O board
Performance featuresMICROMASTER 440 Inverter
  • Latest IGBT technology
  • Digital microprocessor control
  • High-quality Vector Control system
  • Flux Current Control (FCC) for improved dynamic response and optimized motor control
  • Linear V/f characteristic
  • Quadratic V/f characteristic
  • Multipoint characteristic (programmable V/f characteristic)
  • Torque control
  • Flying restart
  • Slip compensation
  • Automatic restart following mains failure or fault
  • User-definable function blocks for logic and arithmetic operations
  • Kinetic buffering
  • Positioning ramp down
  • High-grade PID controller for simple internal process control (autotuning)
  • Programmable acceleration/deceleration, 0 s to 650 s
  • Ramp smoothing
  • Fast Current Limit (FCL) for trip-free operation
  • Fast, repeatable digital input response time
  • Fine adjustment using two high-resolution 10-bit analog inputs
  • Compound braking for controlled rapid braking
  • Integrated brake chopper (only for 0.12 kW to 75 kW inverters)
  • Four skip frequencies
  • Removable “Y” capacitor for use on IT mains supplies (with non-grounded mains supplies, the “Y” capacitor must be removed, and an output choke installed)
Protection features
  • Overload capability
    • CT mode
      0.12 kW to 75 kW:
      Overload current 1.5 x rated output current (i.e. 150 % overload capability) for 60 s, cycle time 300 s,
      and 2 x rated output current (i.e. 200 % overload capability) for 3 s, cycle time 300 s
      90 kW to 200 kW:
      Overload current 1.36 x rated output current (i.e. 136 % overload capability) for 57 s, cycle time 300 s,
      and 1.6 x rated output current (i.e. 160 % overload capability) for 3 s, cycle time 300 s
    • VT mode
      5.5 kW to 90 kW:
      Overload current 1.4 x rated output current (i.e. 140 % overload capability) for 3 s,
      and 1.1 x rated output current (i.e. 110 % overload capability) for 60 s, cycle time 300 s
      110 kW to 250 kW:
      Overload current 1.5 x rated output current (i.e. 150 % overload capability) for 1 s,
      and 1.1 x rated output current (i.e. 110 % overload capability) for 59 s, cycle time 300 s
  • Overvoltage/undervoltage protection
  • Inverter overtemperature protection
  • Special direct connection for PTC or KTY to protect the motor
  • Earth fault protection
  • Short-circuit protection
  • I2t motor thermal protection
  • Locked motor protection
  • Stall prevention
  • Parameter interlock

SIEMENS MICROMASTER 440 inverters Technical specifications

Technical data

MICROMASTER 440

Mains voltage and power ranges

CT (constant torque)

VT (variable torque)

200 V to 240 V 1 AC  ±10 %

0.12 kW to 3 kW

200 V to 240 V 3 AC  ±10 %

0.12 kW to 45 kW

5.5 kW to 55 kW

380 V to 480 V 3 AC  ±10 %

0.37 kW to 200 kW

7.5 kW to 250 kW

500 V to 600 V 3 AC  ±10 %

0.75 kW to 75 kW

1.5 kW to 90 kW

Input frequency

47 Hz to 63 Hz

Output frequency

in V/f mode

for inverter 0.12 kW to 75 kW

0 … 650 Hz, (limitation to 550 Hz in production to comply with legal requirements) 1)

for inverter 90 kW to 200 kW

0 Hz to 267 Hz

in vector mode

for inverter 0.12 kW to 75 kW

0 Hz to 200 Hz

for inverter 90 kW to 200 kW

0 Hz to 200 Hz

Power factor

≥ 0.95

Inverter efficiency

0.12 kW to 75 kW: 96 % to 97 %; 90 kW to 200 kW: 97 % to 98 %
(Further information is available on the Internet at:
http://support.automation.siemens.com/WW/view/en/22978972)

Overload capability

CT mode

for inverter 0.12 kW to 75 kW

Overload current 1.5 x rated output current (i.e. 150 % overload capability) for 60 s, cycle time 300 s, and 2 x rated output current (i.e. 200 % overload capability) for 3 s, cycle time 300 s

for inverter 90 kW to 200 kW

Overload current 1.36 x rated output current (i.e. 136 % overload capability) for 57 s, cycle time 300 s, and 1.6 x rated output current (i.e. 160 % overload capability) for 3 s, cycle time 300 s

Overload capability

VT mode

for inverter 5.5 kW to 90 kW

Overload current 1.4 x rated output current (i.e. 140 % overload capability) for 3 s, and 1.1 x rated output current (i.e. 110 % overload capability) for 60 s, cycle time 300 s

for inverter 110 kW to 250 kW

Overload current 1.5 x rated output current (i.e. 150 % overload capability) for 1 s, and 1.1 x rated output current (i.e. 110 % overload capability) for 59 s, cycle time 300 s

Inrush current

not higher than rated input current

Control method

Vector control, torque control, linear V/f characteristic; quadratic V/f characteristic; multipoint characteristic (programmable V/f characteristic); flux current control (FCC)

Pulse frequency

for inverter 0.12 kW to 75 kW

4 kHz (standard); 16 kHz (standard with 230 V inverters 0.12 kW to 5.5 kW)
2 kHz to 16 kHz (in 2 kHz steps)

for inverter 90 kW to 200 kW

2 kHz (standard with VT mode); 4 kHz (standard with CT mode)
2 kHz to 4 kHz (in 2 kHz steps)

Fixed frequencies

15, programmable

Skip frequency ranges

4, programmable

Setpoint resolution

0.01 Hz digital
0.01 Hz serial
10 bit analog

Digital inputs

6 fully programmable isolated digital inputs; switchable PNP/NPN

Analog inputs

2 programmable analog inputs

  • 0 V to 10 V, 0 mA to 20 mA and -10 V to +10 V (AIN1)
  • 0 V to 10 V and 0 mA to 20 mA (AIN2)
  • both can be used as 7th/8th digital input

Relay outputs

3, programmable
30 V DC/5 A (resistive load)
250 V AC/2A (inductive load)

Analog outputs

2, programmable (0/4 mA to 20 mA)

Serial interfaces

RS-485, optional RS-232

Motor cable lengths

Without output choke

for inverter 0.12 kW to 75 kW

max. 50 m (shielded)
max. 100 m (unshielded)

for inverter 90 kW to 250 kW

max. 200 m (shielded)
max. 300 m (unshielded)

With output choke

see variant dependent options

Electromagnetic compatibility (see Selection and Ordering Data)

EMC filter, Class A or Class B to EN 55 011 available as an option
Inverter with internal filter Class A available

Braking

Resistance braking with DC braking, compound braking, integrated brake chopper (integrated brake chopper only with 0.12 kW to 75 kW inverters)

Degree of protection

IP20

Operating temperature (without derating)

for inverter 0.12 kW to 75 kW

CT: -10 °C to +50 °C (+14 °F to +122 °F)
VT: -10 °C to +40 °C (+14 °F to +104 °F)

for inverter 90 kW to 200 kW

0 °C to +40 °C (+32 °F to +104 °F)

Storage temperature

-40 °C to +70 °C (-40 °F to +158 °F)

Relative humidity

95 % (non-condensing)

Installation altitude

for inverter 0.12 kW to 75 kW

up to 1000 m above sea level without derating

for inverter 90 kW to 200 kW

up to 2000 m above sea level without derating

Standard SCCR
(Short Circuit Current Rating) 2)

FSA, FSB, FSC: 100 kA
FSD, FSE, FSF, FSFX, FSGX: 65 kA

Protection features for

Undervoltage, overvoltage, overload, earth faults, short-circuits, stall prevention, locked motor protection, motor overtemperature, inverter overtemperature, parameter change protection

Compliance with standards

uL, c uL, CE, c-tick

CE marking

Conformity with low-voltage directive 73/23/EEC

Cooling-air volumetric flow required, dimensions and weights (without options)

Frame size (FS)

Cooling-air volumetric flow required (l/s)/(CFM)

H x W x D, max. (mm)

Weight, approx. (kg)

A

4.8/10.2

173 x 73 x 149

1.3

B

24/51

202 x 149 x 172

3.4

C

54.9/116.3

245 x 185 x 195

5.7

D

2 x 54.9/2 x 116.3

520 x 275 x 245

17

E

2 x 54.9/2 x 116.3

650 x 275 x 245

22

F without filter

150/317.79

850 x 350 x 320

56

F with filter

150/317.79

1150 x 350 x 320

75

FX

225/478.13

1400 x 326 x 356

116

GX

440/935

1533 x 326 x 545

174

CFM:
Cubic Feet per Minute