NXS VARIABLE FREQUENCY DRIVES
EN0B-0620GE51 R1107 2
Control Characteristics
Control Method Frequency Control U/f, Open-
Loop Sensorless Vector
Control
Switching Frequency:
FR4 – FR6 (1.1-30kW)
1...16 kHz;
NXS0003…- NXS0061… Default: 10 kHz (no derating)
FR7 – FR9 (37-160 kW)
1…10 kHz
NXS0072…- NXS0310… Default: 3.6 kHz
Frequency reference:
Analogue input Resolution 0.1% (10 bit),
accuracy ±1%
Keypad reference Resolution 0.01 Hz
Field Weakening point 8…320 Hz
Acceleration time 0…3000 sec
Deceleration time 0…3000 sec
Braking torque DC-brake: 30%*TN (without
brake option)
Ambient Conditions
Ambient operating Temperature:
Low overload
-10°C (no frost)…+45°C
(for Fan/Pump)
(with 24 h average +40°C)
Storage temperature -40…+70°C
Relative humidity 0…95% RH, non-condensing,
non-corrosive, no dripping
water
Air quality:
Chemical vapors IEC 721-3-3, unit in operation,
class 3C2
Mechanical particles IEC 721-3-3, unit in operation,
class 3S2
Altitude 100% load capacity (no
derating) up to 1000 m
-1% derating for each 100 m
above 1000 m; max. 3000 m
Relative humidity 0…95% RH, non-condensing,
non-corrosive, no dripping
water
Vibration: 5...150 Hz
EN50178/EN60068-2-6 Displacement amplitude 1 mm
(peak) at 5...15.8 Hz
Max acceleration amplitude
1 G at 15.8...150 Hz
Shock: UPS Drop Test (for applicable
EN50178, IEC 68-2-27 UPS weights)
Storage and shipping: max
15 G, 11 ms (in package)
Enclosure class IP21 : NXS___ V35A2…
IP54 : NXS___ V35A5…
Electro Magnetic Compatibility (EMC)
Immunity Complies with EN50082-1, -2,
EN61800-3
Emissions:
Standard in all EMC-level H: EN 61800-3
(2004) Cat C2, EN 55011
Class A
Integrated option in: EMC level C: EN 61800-3
FR4 – FR6 (1.1-30kW) (2004) Cat C1, EN 55011
NXS0003…- NXS0061… Class B
Safety
EN50178, EN60204-1, CE, GOST R, IEC 61800-5 (see unit
nameplate for more detailed approvals)
Control Connections
Analogue input voltage 0...+10 V, Ri = 200 kΩ,
resolution 10 bit, accuracy ±1%
Analogue input current 0(4)…20 mA, Ri = 250 Ω
differential resolution 0.1%,
accuracy ±1%
Digital inputs 6 positive logic; 18…24 Vdc
Auxiliary voltage +24 V, ±15%, max. 100 mA
Output reference voltage +10 V, +3%, max. load 10 mA
Analogue output 0(4)…20 mA; RL max. 500Ω;
resolution 16 bit; accuracy ±1%
Relay outputs 2 programmable change-over
relay output (1 NO/NC and 1
NO). Switching capacity:
24 Vdc / 8 A, 250 Vac / 8 A,
125 Vdc / 0.4 A. Min. switching
load: 5 V / 10 mA
Digital output Open collector output, 50 mA /
48 V
Motor thermistor Input R
TRIP
= 4.7 kΩ (PTC),
electrically isolated