The relay contacts are galvanically isolated from the rest of the circuit by reinforced isolation
(PELV).
Cable lengths and cross-sections:
Max. motor cable length, shielded/armored
492 ft [150 m]
Max. motor cable length, unshielded/unarmored
984 ft [300 m]
Maximum cross-section to control terminals, flexible/rigid wire
without cable end sleeves
0.0023 in.
2
[1.5 mm
2
]/16 AWG
Maximum cross-section to control terminals, flexible wire with ca-
ble end sleeves
0.0016 in.
2
[1 mm
2
]/18 AWG
Maximum cross-section to control terminals, flexible wire with
cable end sleeves with collar
0.00078 in.
2
[0.5 mm
2
]/20 AWG
Minimum cross-section to control terminals
0.0039 in.
2
[0.25 mm
2
]/24 AWG
Control card performance:
Scan interval
1 ms
Control characteristics:
Resolution of output frequency at 0-1000 Hz
+/- 0.003 Hz
Repeat accuracy of
Precise start/stop
(terminals 18, 19)
≤
± 0.1 msec
System response time (terminals 18, 19, 27, 29, 32, 33)
≤
2 ms
Speed control range (open-loop)
1:100 of synchronous speed
Speed control range (closed-loop)
1:1000 of synchronous speed
Speed accuracy (open-loop)
30-4000 rpm: error ±8 rpm
Speed accuracy (closed-loop), depending on resolution of feed-
back device
0-6000 rpm: error ±0.15 rpm
All control characteristics are based on a 4-pole asynchronous motor
Surroundings:
Enclosure
IP 21/ Type 1, IP 54/ Type 12
Vibration test
1.0 g
Max. relative humidity
5%-95% (IEC 721-3-3; Class 3K3 (non-condensing) during operation
Aggressive environment (IEC 60068-2-43
class H
2
5
Ambient temperature
1)
Max. 122° F [50° C] (24-hour average maximum 113° F [45° C])
1) For high ambient temperature, see the special conditions in the Design Guide
Minimum ambient temperature during full-scale operation
32° F [0° C]
Minimum ambient temperature at reduced performance
14° F [-10° C]
Temperature during storage/transport
-13°-+149°/158° F [-25°-+65°/70° C]
Maximum altitude above sea level without derating
3280 ft [1000 m]
Derating for high altitude, see special conditions in the Design Guide.
EMC standards, Emission
EN 61800-3, EN 61000-6-3/4, EN 55011
EMC standards, Immunity
EN 61800-3, EN 61000-6-1/2,
EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN
61000-4-6
See section on special conditions in the Design Guide
VLT
®
Automation Drive FC 300
Instruction Manual High Power
5. General Specifications
MG.33.U1.22 - VLT
®
is a registered Danfoss trademark.
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