Nord Drivesystems NORDAC FLEX SK 205E Series, Brief Instructions

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7 Technical Data
BU 0240 en-US-4920 91
7 Technical Data
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7.1 General data for variable frequency drive
Function Specification
Output frequency 0.0 … 400.0 Hz
Pulse frequency 3.0 … 16.0 kHz, factory setting = 6 kHz
Power reduction > 8 kHz with 115 / 230 V device, > 6 kHz with 400 V device
Typical overload capacity 150% for 60 s, 200% for 3.5 s
Efficiency > 95% according to size
Insulation resistance
> 5 MΩ
Operating/ambient temperature -25°C … +40°C, for detailed information (among others UL-values) about
individual device models and operating modes, please see (chapter Fehler!
Verweisquelle konnte nicht gefunden werden. ).
ATEX: -20…+40°C (chapter 2.4)
Storage and transport temperature -25°C … +60/70°C
Long-term storage (chapter 9.1)
Degree of protection IP55, optional IP66 (chapter 1.8)
NEMA1, higher NEMA classifications upon request
Max. installation altitude above sea
level
Up to 1000 m
No power reduction
1000
m...2000 m:
1 % / 100 m power reduction, overvoltage category 3
2000
m...4000 m:
1%/100 m power reduction, overvoltage category 2, external
overvoltage protection required at power input
Ambient conditions
Transport (IEC 60721-3-2):
Mechanical: 2M2
Operation (IEC 60721-3-3):
Mechanical: 3M7, 3M6 (size 4)
Climatic: 3K3 (IP55) 3K4 (IP66)
Environmental protection Energy-saving function (chapter
Fehler! Verweisquelle konnte nicht
gefunden werden. ), see P219
EMC (chapter Fehler! Verweisquelle konnte nicht
gefunden werden. )
RoHS (chapter 1.5)
Protective measures against Overtemperature of the variable frequency drive
Overvoltage and undervoltage
Short circuit, ground fault,
overload, idle running
Motor temperature monitoring I 2 t motor, PTC/bimetallic switch
Regulation and control
Sensorless current vector control (ISD), linear V/f characteristic, VFC open-loop,
CFC open-loop, CFC closed-loop
Waiting time between two power-up
cycles
60 s for all devices in normal operating cycle
Interfaces Standard RS485 (USS) (for parameterization units only)
RS232 (Single Slave)
System bus
Optional
AS-i on board (chapter Fehler! Verweisquelle
konnte nicht gefunden werden. )
Various bus modules (chapter 1.2)
Electrical isolation Control terminals
Connecting terminals, electrical
connection
Power unit
(chapter 2.3.2)
Control unit
(chapter 2.3.3)
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