SK 500E – Brief instructions for frequency inverters
56 BU 0540 EN-1516
7 Technical data
Pos: 49 0 /Anlei tung en/El ektr onik/FU und Star ter/7 . Tec hnisch e Daten/ SK 5 xxE/7.1 Allgemeine Daten [SK 5xxE] @ 0\mod_1328183162552_388.docx @ 13983 @ 2 @ 1
7.1 General Data SK 500E
Function Specification
Output frequency 0.0 ... 400.0 Hz
Pulse frequency 3.0 ... 16.0 kHz, standard setting = 6 kHz (Size 8 and above = 4 kHz)
Power reduction > 8 kHz for 230 V inverter, > 6 kHz for 400 V - inverter
Typical overload capacity 150 % for 60 s 200 % for 3.5 s
Efficiency of frequency inverter Size 1 – 4: approx. 95 %, Size 5 – 7: approx. 97 %, Size 8 and above: approx. 98 %
Insulation resistance > 5 MΩ
Ambient temperature 0°C ... +40°C (S1-100 % ED), 0°C ... +50°C (S3-70 % ED 10 min)
Storage and transport temperature -20°C ... +60 /70°C
Long-term storage
(chapter 8.1)
Protection class IP20
Max. installation altitude above sea
level
- up to 1000 m without power reduction
- 1000...4000 m: 1 %/ 100 m power reduction
* Up to 2000 m: Overvoltage category 3
* up to 4,000m: Overvoltage category 2, mains input: Overvoltage protection
required
Ambient conditions Transport (IEC 60721-3-2): Vibration: 2M1
Operation (IEC 60721-3-3): Vibration: 3M4; Climate: 3K3;
Waiting period between 2 x "Mains on" 60 s for all devices in normal operating cycle
Protective measures against
Overtemperature of the frequency inverter,
overvoltage and undervoltage
Short-circuit, earthing fault,
overload
Regulation and control
Sensorless current vector control (ISD), linear V/f characteristic
VFC open-loop, CFC open-loop, CFC closed-loop (above SK 520E)
Motor temperature monitoring I
2
t-Motor (UL approved), PTC / Bi-metal switch
Interfaces (integrated)
RS 485 (USS)
RS 232 (single slave)
Modbus RTU
CANbus (except SK 50xE)
CANopen (except SK 50xE)
Electrical isolation Control terminals (digital and analog inputs)
Connection terminals
For details and tightening torques of the screw terminals: refer to (chapter 2.2.3) and
(chapter 2.2.4).
External supply voltage,
control unit SK 5x5E
Size 1 - 4: 18…30 V DC, ≥ 800 mA
Size 5 - 7: 24…30 V DC, ≥ 1000 mA
Size 8 - 11: 24…30 V DC, ≥ 3000 mA
Analogue setpoint input / PID input 2x (above Size 5: - 10 V…) 0...10V, 0/4...20 mA, scalable, digital 7.5...30 V
Analogue setpoint resolution 10 bit based on measurement range
Setpoint consistency analog < 1 %, digital < 0.02 %
Digital input
5x (2,5 V) 7,5...30 V, R
i
= (2,2 kΩ) 6,1 kΩ, cycle time = 1...2 ms
+ for SK 520E and above: 2x 7.5...30 V, R
i
= 6.1 kΩ, cycle time = 1...2 ms
Control outputs 2x Relay 28 VDC / 230 VAC, 2 A (output 1/2 - K1/K2)
Additionally, with SK 520E/530E: 2x DOUT 15 V, 20 mA or
Additionally, with SK 535E/545E: 2x DOUT 18…30 V (depending on VI), 20 mA, or
2x DOUT 18…30 V, 200 mA Size 5 and above
(Output 3/4 - DOUT1/2)
Analogue output 0 ... 10 V scalable
Pos: 51 2 /Anlei tung en/El ektr onik/FU und Star ter/9 . Wart ungs- u nd Ser vicehi nwei se/War tungs - und S ervice- Hi nweis e (Übersc hrift ) [SK 1 xxE, SK 2xxE, SK 5xxE] @ 0\mod_1328189499267_388.docx @ 14512 @ 1 @ 1
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