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
5
5