Danfoss VLT 2800 Series, Operating Instructions Manual

Page: 89 / 103

Cable lengths and cross sections:
Max. motor cable length, screened/armoured cable 40 m
Max. motor cable length, unscreened/unarmoured cable 75 m
Max. motor cable length, screened/armoured cable and motor coil 100 m
Max. motor cable length, unscreened/unarmoured cable and motor coil 200 m
Max. motor cable length, screened/armoured cable and RFI/1B filter 200 V, 100 m
Max. motor cable length, screened/armoured cable and RFI/1B filter 400 V, 25 m
Max. motor cable length, screened/armoured cable and RFI 1B/LC filter 400 V, 25 m
Max. cross section to motor, see next section.
Max. cross section to control wires, rigid wire 1.5 mm
2
/16 AWG (2 x 0.75 mm
2
)
Max. cross section to control cables, flexible cable 1 mm
2
/18 AWG
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
VLT
®
2800 Series
88 MG.27.A2.02 - VLT
®
is a registered Danfoss trademark