Danfoss VLT 2800 Design Guide

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 (2x0.75 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
chapter 5.1.21 EMC Compliance for more details.
Control characteristics
Frequency range 0.2-132 Hz, 1-590 Hz
Resolution of output frequency 0.013 Hz, 0.2-590 Hz
Repeat accuracy of Precise start/stop (terminals 18, 19) ±0.5 ms
System response time (terminals 18, 19, 27, 29, 33) 26.6 ms
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 IP20
Enclosure with options NEMA 1
Vibration test 0.7 g
Maximum relative humidity 5%-93% during operation
Ambient temperature Maximum 45 °C (24-hour average maximum 40 °C)
For more information about derating for high ambient temperature, see chapter 5.1 Special Conditions.
Min.imum ambient temperature during full-scale operation 0 °C
Minimum ambient temperature at reduced performance -10 °C
Temperature during storage/transport -25 to +65/70 °C
Maximum altitude above sea level 1000 m
For more information about dedrating for high air pressure, see chapter 5.1 Special Conditions.
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
For more details, see chapter 5.1 Special Conditions.
All about VLT 2800
Design Guide
144 Danfoss A/S © Rev. May/2014 All rights reserved. MG27E402
55

Danfoss VLT 2800 Specifications

General

Brand	Danfoss
Model	VLT 2800
Category	DC Drives
Language	English