WEG MW500 User Manual - page 43
MW500 | 37
Technical Specifications
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8 TECHNICAL SPECIFICATIONS
8.1 POWER DATA
Power Supply:
Tolerance: -15 % to +10 %.
Frequency: 50/60 Hz (48 Hz to 62 Hz).
Phase imbalance: ≤ 3 % of the rated phase-to-phase input voltage.
Overvoltage according to Category III (EN 61010/UL 508C).
Transient voltage according to Category III.
Maximum of 10 connections per hour (1 every 6 minutes).
Typical efficiency: ≥ 97 %.
For further information about the technical specifications, refer to
Appendix B
.
8.2 ELECTRONICS/GENERAL DATA
Table 8.1: Electronics/general data
CONTROL
METHOD
Type of control:
- V/f (Scalar).
- V V W: Voltage vector control.
PWM SVM (Space Vector Modulation).
OUTPUT FREQUENCY
0 to 500 Hz, resolution of 0.015 Hz
PERFORMANCE
V/f CONTROL
Speed regulation: 1 % of the rated speed (with slip
compensation).
Speed variation range: 1:20.
VECTOR CONTROL
(VVW)
Speed regulation: 1 % of the rated speed.
Speed variation range: 1:30
INPUTS
(*)
ANALOG
Knob additional input for speed reference variation.
1 insulated input. Levels: (0 to 10) V or (0 to 20) mA
or (4 to 20) mA.
Linearity error ≤ 0.25 %.
Impedance: 100 kΩ for voltage input, 500 Ω for
current input.
Programmable functions.
Maximum voltage permitted in the input: 30 Vdc.
DIGITAL
4 insulated inputs.
Programmable functions:
- 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.
Input current: 4.5 mA.
Maximum input current: 5.5 mA.