FC 300 Instruction Manual
General Specifications
Copper (140/1 67°F, 60/75°C) conductors recomm ended.
Aluminum conductors
Aluminum conductors are not recommended. Terminals can accept aluminum conductors but
the conductor surface must be clean and the oxidation must be removed and sea led by neutral
acid-free Vaseline grease before the conductor is connected.
Furthermore, the terminal sc rew must b e retightened after two days due to the softness of the a luminum. It
is crucial to keep the connection a gas-tight joint, otherwise the aluminum surface will oxidize again.
Control card performance:
Scan interval ...................................................................................... FC 301: 10 mS / FC 302: 1 ms
Control characteristics:
Resolution of output frequency at 0 - 1000 Hz ........................................................................ 0.013 Hz
Repeat accuracy of Precise start/stop (terminals 18, 19) ............ FC 301: ≤ ±1ms/FC302:≤ ±0.1msec
System response time (terminals 18, 19, 27, 29, 32, 33) ................... FC 301: ≤ 2 0 ms / FC 302: ≤ 2ms
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: Max. error of ±8 rpm
Speed accuracy (closed loop) .................................................... 0 - 6000 rpm: Max. error of ±0.15 rpm
All control characteristics are based on a 4 -pol e asynchronous motor
Surroundings:
Enclosure ..................................................................................................................... IP20/IP55
Enclosure kit available ..................................................................................... IP21/TYPE 1/IP 4X top
Vibration test .......................................................................................................................... 0.7 g
Max. relative humidity ............................. 5, 95, 721, -3 , -3 Class 3K3 (non-condensing) during operation
Aggressive environment (IEC 721-3-3), uncoated ................................................................. class 3C2
Aggressive environment (IEC 721-3-3), coated .................................................................... class 3C3
Ambient temperature ............................ Maximum 122 °F (50 °C)(24-hour average max. 113 °F (4 5 °C))
Derating for ambient temperature, see 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 - +150/160 °F (-25 - +65/70 °C)
Maximum altitude above sea level ............................................................................ 3300 ft (1000 m)
Derating for ambient temperature, 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, E N 61000-4-6
See section on special conditions in the Design Guide
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MG.33.A4.22 - VLT is a registered Danfoss trademark
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