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Halstrup Walcher Smart Positioning drive PSD 43


  • Space-saving, compact design
  • Maximum flexibility due to alignment as vertical or horizontal design (PSD 42) and the optional rotatable actuator housing
  • Galvanically separated supply voltages for control and performance electronics
  • Precise position feedback thanks to an absolute measurement system without battery
  • Easy and low-cost mounting via hollow shaft
  • Optional gearbox for more torque
  • Address may be set using the bus or an address switch (not for IO-Link)
  • Status LEDs visible from the outside

PSD 43 direct drive is a mechatronic system with integrated control, bus interface and absolute measurement system without battery. This drive is ideal for automatic format changeover. The stepper motor with integrated control and bus communication permits higher velocities at lower torques.

The absolute measuring system at 977 .. 4026 rotations eliminates the need for time-consuming reference runs and increases the efficiency of the machine. Direct measurement of the position ensures highly accurate positioning. The galvanically separated supply voltages for the control and performance electronics permit the implementation of an emergency shut-off function without interrupting communication with the control module.


Horizontal construction

Nominal torque / Nominal rated speed1) / max. spped
PSD 432:2 Nm / 200 rpm / max. speed: 1000 rpm at 0.6 Nm
PSD 426: 6 Nm / 63 rpm / max. speed: 250 rpm at 1.7 Nm
PSD 428: 8 Nm / 50 rpm / max. speed: 300 rpm at 2.0 Nm

1) at rated torque, speed limitation see characteristic curve

Data interface
CANopen, IO-Link, PROFINET (further on request)

Positioning accuracy
± 1.8°

Output shaft
8 mm solid shaft or
8 or 14 mm hollow shaft with torque support (optional)

Positioning range
PSD 432: 4026 rotations
PSD 436: 1274 rotations
PSD 438: 977 rotations

Supply voltage
24 VDC ± 10 %

Protection class
IP 50 or IP 65 (optional)

Business Hours

Mon – Sat : 10 AM to 7 PM

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