Lenze 8615E - Manual (Page 9)

7
Planning
1 Features of the 8600 inverter series
Liability
•
The information given in these Operating Instructions describe
the features of the products but do not guarantee them.
Power stage
•
Large mains voltage range: 3 x 330 to 528V AC or
470 to 740V DC
•
Inverter with IGBTs, protected against short circuits
•
4kHz chopper frequency, adjustable up to 16kHz
•
Output frequency up to 480Hz,
V/f rated frequency up to 960Hz
•
Overload capacity up to 200% rated current for a short time
•
Overload monitoring can be set
•
Integrated brake transistor, external brake resistors in IP20
enclosure as option
•
Connections for DC bus supply
Control stage
•
Digital control unit with 16-bit microprocessor
•
Simple parameter setting and diagnosis using keypad and two-
line display in German, English, and French language
•
Parameter setting during operation
•
V/f-characteristic control with linear or square characteristic
•
High breakaway torque by magnetizing current control
•
Constant speed due to slip compensation
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Speed control using DC tacho or incremental encoder
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Current limitation with V/f lowering for stall-protected operation
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Motor overload monitoring via PTC input or
I ² ⋅
t-monitoring
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Process control with a maximum of eight steps
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Synchronisation coasting motor due to flying restart circuit
•
Serial interface (RS232C/RS485) for external parameter setting
and operation
•
Field bus connecting modules as option to be integrated into the
device
Approvals (unit types 8602 to 8611)
•
VDE 0160, VDE reg.-no. 86694
•
UL 508, file no. 132659