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HAUG PZ 3 Perforation Counter
The PZ 3 perforation counter is mainly applied in the manufacturing of plastic bags. The contactless detection of perforations allows the number of bags/batches to be determined and indicates when the material rolls need to be changed.
Mode Of Operation
Sparks are generated at the point of the perforation of the film by means of a high-voltage electrode (counting electrode) and a suitable earthed/grounded counter-electrode. These sparks are interpreted and counted by the logic circuit integrated in the PZ 3 perforation counter and indicated visually on the display through a light-emitting diode. The counting pulses transmitted by an opto-coupler can be interpreted by an external counter and may be used for activating other machine functions (such as the control of reversing winding machines and cutting machines).
Special Features and Advantages
- The PZ 3 perforation counter offers the possibility to capture up to 900 counting pulses per minute. This corresponds to a counting rate of 15 counting pulses per second (15 Hz).
- The duration of the counting impulses is adjustable from 5 to 1000 ms. This helps to suppress subsequent spark-overs that may be triggered by "holes" in the film and should not be counted.
- The high voltage applied to the counting electrode is infinitely adjustable from 2.4 up to 18 kVDC.
- The external release of the output voltage can be activated through a voltage-free contact, so that high voltage is applied to the counting electrode, for instance when the material web is moving.
Directions For Installation
The counting electrode must be mounted above the material web at a distance of approx. 10 to 20 mm and centered over the perforations to ensure the perfect functioning of the PZ 3.
An earthed/grounded counter-electrode below the material web (e.g. earthed metal drum) must be in physical contact with the foil opposite the counting electrode.
|Types||PZ 3||230 V||Order-No.: 12.0800.000|
|115 V||Order-No.: 12.0801.000|
|Dimensions||200 x 200 x 100 mm (L x B x H)|
|Protection Type||IP 54|
|Supply voltage||115 VAC / 230 VAC (50 – 60 Hz)|
|HV-terminals||1 terminal for counting electrode|
|High voltage||U = 2,4 to 18 kVDC|
|Short-circuit current||lk < 1 mA|
|Internal counting lock||5 to 1000 ms|
|Counting rate||max. approx. 15 Hz
(corresponding to 900 pulses per minute)
|External voltage at counting output||max. 30 VDC (internally isolated via optocoupler)|
|Operating temperature||+5 °C to 45 °C|
|Storage/transport temperature||-15 °C to +60 °C|
|Weight||approx. 2 kg|
|Mains cable||2,6 m; fixed to the device|
|Smallest bending radius (cable)||R 50|
|Counting electrode AE 005||50 mm||Order-No.: 08.8598.105|
|Counting electrode AE 008||80 mm||Order-No.: 08.8598.108|
|Counting electrode AE 011||110 mm||Order-No.: 08.8598.111|
|Counting electrode AS SL||Order-No.: 08.8715.000|
|Signalling cable K1;||5 m||Order-No.: 06.8941.000|
|shielded,||10 m||Order-No.: 06.8941.001|
|mit Round plug||20 m||Order-No.: 06.8941.002|
|Round plug||Order-No.: X-0616|
|Angled plug||5 m||Order-No.: X-5718|
Subject to technical changes!
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