Technical parameters of compact frequency converters

Parameter group	Parameter name	Value
Network connection	Network voltage Uin	208…240 V; 380…500 V; 525…690 V; - 10 %...+10 %
	Network frequency	45…66 Hz
	Network connection	One per minute or more rarely (normal mode)
Motor connection	Output voltage	0 — Uin
	Continuous output current	I_H: maximum ambient temperature +50 °C, overload 1.5 x IH (1 min/10 min) I_L: maximum ambient temperature +40 °C, overload 1.1 x IL (1 min/10 min)
	Starting moment	I_s within 2 s, depends on motor torque
	Starting current	I_s 2 s each 20 s
	Output frequency	0…320 Hz (NXS); 7200 Hz (special application)
	Frequency resolution	0.01 Hz (NXS); depends on used application (NXP)
Control characteristics	Control method	U/f frequency control
		Vector control with open-loop feedback
		U/f control with closed-loop feedback
		Vector control with closed-loop feedback (only NXP)
	Switching frequency (See parameter 2.6.9)	For drives up to NX_0061 inclusively: 1…16 kHz; Factory setting 10 kHz For drives from NX_0072: 1…10 kHz; Factory setting 3.6 kHz.
	Frequency setting: Analogue input Control panel	Resolution 0,1 % (10-bit), accuracy ±1 % Resolution 0,01 Hz
	Field reduction point	30…320 Hz
	Acceleration time	0…3000 s
	Deceleration time	0…3000 s
	Braking moment	DC braking: 30 % * T_N (without dynamic breaking unit)
Electromagnetic compatibility (default setting)	Interference resistance	Meets all standards requirements
Electromagnetic compatibility (default setting)	Interference emission	Electromagnetic compatibility level H: EN 61800-3 (1996)+A11 (2000) (1^st environment, restricted distribution); EN 61000-6-4 Electromagnetic compatibility level L: EN 61800-3 (1996)+A11 (2000) (2^nd environment)
Safety	-	EN 50178 (1997), EN 60204-1 (1996), EN 60950 (2000,3rd edition) (as basic), CE, UL, CUL, FI, GOST R, IEC 61800-5; (For additional information see nameplate)
Control circuits	Analogue input	0…+10 V , Ri = 200 k, (–10 V…+10 V joystick control) resolution 0.1%, accuracy ±1%
	Analogue input (current)	0 (4)…20 mA, Ri = 250 differential
	Discrete inputs (6)	Positive or negative logic; 18…30 V DC
	Auxiliary voltage	+24 V , ±15 %, max. 250 mA
	Reference voltage	+10 V, +3 %, max. load 10 mA
	Analogue output	0(4)…20 mA; RL max. 500; Resolution 10 bit; Accuracy ±2 %
	Discrete outputs	Open-collector transistor, 50 mA/48 V
	Relay outputs	2 freely-programmable relay outputs
	-	Switching capacity: 24 V DC/8 A, 250 V AC/8 A, 125 V DC/0,4 A. min. switchable load: 5 V /10 mA
Protection functions	Overcurrent protection	Tripping limit 4.0*I_H
	Overvoltage protection Undervoltage protection	NX_2: 437 V DC; NX_5: 911 V DC; NX_6: 1200 V DC NX_2: 183 V DC; NX_5: 333 V DC; NX_6: 460 V DC
	Earth fault protection	In case of earth fault or in motor cable, only frequency converter protects itself
	Supply network phases control	Tripping in case of any supply network phase loss
	Output network phases control	Tripping in case of any output circuit phase loss
	Against converter overheating	Available
	Against motor overload	Available
	Against motor seizure	Available
	Against underload operation	Available
	Against short circuits in +24 V and +10 V circuits	Available
	Casing class	IР 20, IP 00, IР 21, IP 54