The 60WKS series of servo amplifiers in 240 V technology are set up for driving the SM series of synchronous servo motors with RLG/tacho-feedback and trapezoidal commutation. The power section is implemented as a 3-phase, pulse-width modulated transistor stage.
The motor speed and the trapezoidal output currents are controlled by PI-controllers. The phase-switching of the motor and tacho windings are controlled by the electronic rotor-position sensor (RLG) of the motor.
Function groups 60WKS
- 3-phase power supply unit with smoothing capacitors
- Ballast circuit with -w- characteristic
- Auxiliary supply, to generate the auxiliary voltages from the DC-link voltage (alternatively, an external 24V-supply, Option -24V-)
- 3-phase output stage for 4-Q operation
- 2 differential inputs for setpoints, setpoint 2 is adjustable
- Enable-input
- Limit-switch inputs (Option -01-)
- PI / current / speed controller
- Trimmer potentiometer and fixed components for all the important operating parameters– on the plug-in custom p.c.b.
- Expansion slot for Option p.c.b. -01- with limit-switch logic and ramp generator
- Input for 3-phase, brushless or DC-tacho
- Input for rotor position sensor (RLG)
- Ready/standby relay with isolated contact for fault signalling
- 24 V logic with isolated optocouplers for control signals, PLC-compatible
- LEDs for all important operating states
- ±15 V auxiliary voltage outputs
Protection and monitoring functions
- Fuses for the DC-link and auxiliary power supply
- Short-circuit / earth-fault protection at the motor connection terminals
- Short-circuit protection of the 15 V auxiliary supply
- Undervoltage monitoring
- Overvoltage monitoring
- I²t effective current monitoring
- Temperature monitoring of the power output transistors
- RLG- and Tacho monitoring (cable break)
Technical data for 60WKS-M240/xx-PB
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