Operating Instructions PT 2500 E english / Release 1.0 / 01.12.2009 page 15 of 26
3.2 DRIVE UNIT
The drive unit PT 2500 E is equipped with a 500 W motor and will be started using the
main switch placed at the front side. The speed will be adjusted using the turning knob on
the front side of the device. Within the speed range of up to 30’000 rpm, the integrated
closed loop speed control will tune the speed to any adjusted value, independent from load
changes. The actual speed can be read from the digital display (LED)
Furthermore the electronic control system is equipped with safety functions with automatic
shut down to prevent the drive being overheated or blocked. A detailed description of
possible errors and countermeasurements is listed in chapter 6 „TROUBLE SHOOTING“
main switch
ON/OFF
digital display
(LED)
turning knob for
speed adjustment
Quick coupling
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