Danfoss vlt AQUA Instruction Manual page 167

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®
VLT
AQUA Drive
Instruction Manual
Protection and Features:
Electronic thermal motor protection against overload.
Temperature monitoring of the heatsink ensures that the adjustable frequency drive trips if the temperature reaches 203°F ± 41°F [95°C ±
5°C]. An overload temperature cannot be reset until the temperature of the heatsink is below 158°F ± 41°F [70°C ± 5°C] (Guideline - these
temperatures may vary for different power sizes, enclosures, etc.). The adjustable frequency drive has an auto derating function to avoid its
heatsink reaching 203°F [95°C].
The adjustable frequency drive is protected against short-circuits on motor terminals U, V, W.
If a line phase is missing, the adjustable frequency drive trips or issues a warning (depending on the load).
Monitoring of the intermediate circuit voltage ensures that the adjustable frequency drive trips if the intermediate circuit voltage is too low or
too high.
The adjustable frequency drive is protected against ground faults on motor terminals U, V, W.
Line power supply (L1, L2, L3):
Supply voltage
Supply voltage
Supply frequency
Max. imbalance temporary between line phases
True Power Factor (λ)
Displacement Power Factor (cosφ) near unity
Switching on input supply L1, L2, L3 (power-ups) ≤ enclosure type A
Switching on input supply L1, L2, L3 (power-ups) ≥ enclosure type B, C
Environment according to EN60664-1
The unit is suitable for use on a circuit capable of delivering not more than 100.000 RMS symmetrical Amperes, 500/600/690 V maximum.
Motor output (U, V, W):
Output voltage
Output frequency
Switching on output
Ramp times
Torque characteristics:
Starting torque (Constant torque)
Starting torque
Overload torque (Constant torque)
*Percentage relates to VLT AQUA Drive's nominal torque.
Cable lengths and cross-sections:
Max. motor cable length, shielded/armored
Max. motor cable length, unshielded/unarmored
Max. cross-section to motor, line power, load sharing and brake *
Maximum cross-section to control terminals, rigid wire
Maximum cross-section to control terminals, flexible cable
Maximum cross-section to control terminals, cable with enclosed core
Minimum cross-section to control terminals
* See Line Power Supply tables for more information!
Control card, RS-485 serial communication:
Terminal number
Terminal number 61
The RS-485 serial communication circuit is functionally separated from other central circuits and galvanically isolated from the supply voltage (PELV).
Digital inputs:
Programmable digital inputs
Terminal number
Logic
®
MG.20.M5.22 - VLT
is a registered Danfoss trademark
3.0% of rated supply voltage
≥ 0.9 nominal at rated load
overvoltage category III/pollution degree 2
0–100% of supply voltage
maximum 110% for 1 min.
maximum 135% up to 0.5 sec.
maximum 110% for 1 min.
VLT AQUA Drive: 492 ft [150 m]
VLT AQUA Drive: 984 ft [300 m]
0.0023 in
2
[1.5 mm
2
]/16 AWG (2 x 0.00112
0.0016 in
0.0008 in
68 (P,TX+, RX+), 69 (N,TX-, RX-)
Common for terminals 68 and 69
18, 19, 27
10 Specifications
380–480 V ±10%
525–690 V ±10%
50/60 Hz
(> 0.98)
maximum 2 times/min.
maximum 1 time/min.
0–1,000 Hz
Unlimited
1-3,600 sec.
10
*
*
*
2
in [0.75 mm
2
])
2
2
[1 mm
]/18 AWG
2
2
[0.5 mm
]/20 AWG
2
0.25 mm
4 (6)
1)
, 29, 32, 33,
PNP or NPN
10-11

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