VLT
®
2800 Series
All about VLT
2800
Max. cross section to control cables, cable with enclosed core ............................................... 0.5 mm
2
/20 AWG
When complying with EN 55011 1A and EN 55011 1B the motor cable must in certain
instances be reduced. See EMC emission.
Control characteristics:
Frequency range ........................................................................................................... 0.2 - 132 Hz, 1 - 1000 Hz
Resolution of output frequency ........................................................................................ 0.013 Hz, 0.2 - 1000 Hz
Repeat accuracy of
Precise start/stop
(terminals 18, 19) ...................................................................
≤
± 0.5 msec
System response time (terminals 18, 19, 27, 29, 33) ........................................................................
≤
26.6 msec
Speed control range (open loop) ................................................................................. 1:10 of synchronous speed
Speed control range (closed loop) ...........................................................................
1:120 of synchronous speed
Speed accuracy (open loop) .................................................................. 150 - 3600 rpm: Max. error of ±23 rpm
Speed accuracy (closed loop) ................................................................
30 - 3600 rpm: Max. error of ±7.5 rpm
All control characteristics are based on a 4-pole asynchronous motor
Surroundings:
Enclosure ....................................................................................................................................................... IP 20
Enclosure with options .............................................................................................................................. NEMA 1
Vibration test ................................................................................................................................................. 0.7 g
Max. relative humidity .................................................................................................. 5% - 93% during operation
Ambient temperature ........................................................................... Max. 45 °C (24-hour average max. 40 °C)
Derating for high ambient temperature, see special conditions in the Design Guide
Min. ambient temperature during full-scale operation ....................................................................................
0 °C
Min. ambient temperature at reduced performance .................................................................................. - 10 °C
Temperature during storage/transport .......................................................................................... -25 - +65/70 °C
Max. altitude above sea level .................................................................................................................... 1000 m
Derating for high air pressure, see special conditions in the Design Guide
EMC standards, Emission ............................................................................ EN 61081-2, EN 61800-3, EN 55011
EMC standards, Immunity ................................................................................................................................. EN
50082-1/2, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61800-3
See section on special conditions in the Design Guide
Safeguards:
•
Electronic thermal motor protection against overload.
•
Temperature monitoring of the power module ensures that the frequency converter cuts
out if the temperature reaches 100 °C. An overload temperature cannot be reset until the
temperature of the power module is below 70 °C.
•
The frequency converter is protected against short-circuits on motor terminals U, V, W.
•
If a mains phase is missing, the frequency converter will cut out.
•
Monitoring of the intermediate circuit voltage ensures that the frequency converter cuts out if
the intermediate circuit voltage is too low or too high.
•
The frequency converter is protected against earth fault on motor terminals U, V, W.
MG.28.E9.02 - VLT is a registered Danfoss trademark
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