LENZE
Functions and features
Control modes/motor control
Field-oriented servo control (SC) for synchronous and asynchronous servo
motors and standard asynchronous motors
Basic functions
Brake logic
Safe torque off (safe standstill), according to EN 954-1 control category 3
Motor control
Drive monitoring and diagnosing
Monitoring and diagnostic information
Oscilloscope function
Predefined applications
Speed control
Torque control
Speed/phase synchronism
Digital frequency follower
Process controls
Monitoring
Brake chopper
Open and/or short circuit of the motor holding brake connection cable
Motor phase failure
Mains voltage and mains failure, phase-specific
DC-bus voltage
Monitoring and protective measures
Motor overtemperature (input for PTC or thermal contact,
I² x t-monitoring); cULus-acceptance for I² x t-monitoring
Short circuit
Short to earth (protected against short to earth during operation, limited
protection against short to earth on mains power-up)
Overvoltage
Motor stalling, motor overload
Diagnostics
Via AIF interface
Diagnostic interface
2 LEDs
Status displays
Braking operation
Integrated
Brake chopper
Integrated/external
Brake resistor
Power recovery
Possible with 934x power supply modules
DC-bus connection
Possible without DC-bus fuses
Servo inverters en 03/2009
†
44
ECS servo system
Product information