Technical Specifications; Power Data; Electronics/General Data - WEG MW500 User Manual

8 TECHNICAL SPECIFICATIONS

8.1 POWER DATA

Power Supply:
Tolerance: -15 % to +10 %.
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Frequency: 50/60 Hz (48 Hz to 62 Hz).
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Phase imbalance: ≤ 3 % of the rated phase-to-phase input voltage.
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Overvoltage according to Category III (EN 61010/UL 508C).
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Transient voltage according to Category III.
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Maximum of 10 connections per hour (1 every 6 minutes).
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Typical efficiency: ≥ 97 %.
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For further information about the technical specifications, refer to

8.2 ELECTRONICS/GENERAL DATA

CONTROL
PERFORMANCE
INPUTS
(*)
Table 8.1: Electronics/general data
METHOD
OUTPUT FREQUENCY
V/f CONTROL
VECTOR CONTROL
(VVW)
ANALOG
DIGITAL
- English -
Technical Specifications
Type of control:
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- V/f (Scalar).
- V V W: Voltage vector control.
PWM SVM (Space Vector Modulation).
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0 to 500 Hz, resolution of 0.015 Hz
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Speed regulation: 1 % of the rated speed (with slip
„
compensation).
Speed variation range: 1:20.
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Speed regulation: 1 % of the rated speed.
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Speed variation range: 1:30
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Knob additional input for speed reference variation.
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1 insulated input. Levels: (0 to 10) V or (0 to 20) mA
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or (4 to 20) mA.
Linearity error ≤ 0.25 %.
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Impedance: 100 kΩ for voltage input, 500 Ω for
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current input.
Programmable functions.
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Maximum voltage permitted in the input: 30 Vdc.
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4 insulated inputs.
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Programmable functions:
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- active high (PNP): maximum low level of 15 Vdc.
minimum high level of 20 Vdc.
- active low (NPN): maximum low level of 5 Vdc.
minimum high level of 9 Vdc.
Maximum input voltage of 30 Vdc.
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Input current: 4.5 mA.
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Maximum input current: 5.5 mA.
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Appendix B.
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