NORD Drivesystems BU0700 - Manual (Page 114)

NORDAC SK 700E Operating Manual
114 Subject to technical alterations BU 0700 GB-1411
7 Technical data
7.1 General Data
Function Specification
Output frequency 0.0 ... 400.0 Hz
Pulse frequency 1.5 to 7.5kW: 3.0 ... 20.0kHz (Standard = 6kHz = Nominal power 100% ED)
11 - 37kW: 3.0 ... 16.0kHz (Standard = 6kHz = Nominal power 100% ED)
45 to 110kW: 3.0 ... 8.0kHz (Standard = 4.0kHz = Nominal power 100% ED)
132kW/160kW: 4.0kHz
Typical overload capacity 1.5...22kW:
150% for 60s, 200% for 3.5s 30...132kW:
150% for 60s
(Pulse switch-off P537)
SK 700E-163-340-O-VT:
Max. 125% for 60s (> 5Hz)
Max. 80...125% for 60s
(0...5Hz)
Protective measures against Overtemperature of the frequency inverter
Over and under-voltage
Short-circuit, earth fault
Overload, idle running
Regulation and control Sensorless current vector control (ISD)
Field-orientated control
Linear U/f characteristic curve
Setpoint input analog / PID input (option) 0 ... 10V,

10V, 0/4 ... 20mA
Analog setpoint resolution 10 bit based on measurement range
Analog output (optional) 0 ... 10V scalable
Setpoint consistency Analog < 1% Digital < 0.02% (option)
Motor temperature monitoring I 2 t motor (UL/CUL certified), PTC / Bimetal switch (optional, not UL/CUL)
Ramp times 0 ... 99.99 s
Control outputs (optional) 1 or 2 relays 28V DC / 230V AC, 2A
Interface (optional) According to option:
RS 485
RS 232
CANbus
CANopen
DeviceNet Profibus DP
InterBus
AS interface
Inverter efficiency approx. 95%
Ambient temperature 0℃ ... +50°C (S3 - 75% ED, 15 min.), 0°C ... +40°C (S1 - 100% ED)
> 22kW: only 0°C ... +40°C (S1 - 100% ED)
With UL/CUL certification, generally 0°C ...+40°C applies
Storage and transport temperature -20°C ... +60/70°C, max. 85% humidity without condensation.
Long-term storage See Section 8.6.1
Protection class IP20
Electrical isolation Control terminals (digital and analog inputs)
Max. mounting altitude above sea level Up to 1000m: No power reduction
1000...4000m: 1%/ 100m power reduction (up to 2000m overvoltage cat. 3)
2000...4000m: Only overvoltage category 2 is maintained, external overvoltage protection at
the mains input is necessary
Wait time between two mains switch on cycles 60 sec for all devices in normal operating cycle