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The VK Negative-common specification is a special electrical configuration of the PISCO multi-function VK vacuum-generator platform. It is intended where the pressure-sensor switching arrangement must use a negative-common wiring convention.
The underlying VK module combines vacuum generation, suction control, blow-off, filtering and pressure sensing. The special electrical specification changes the sensor/output wiring convention without changing the core vacuum-generator concept.
The VK platform uses air, with operating pressure and environmental limits defined by the exact VK configuration. The official complex-type VK catalog provides 24VDC solenoid operation, PVFM vacuum filtration and multiple pressure-sensor options; the negative-common version must be selected by its exact electrical model code.
Confirm the negative-common electrical arrangement and sensor model before wiring. Match the exact connector/output configuration to the control system and verify switching polarity during commissioning.
| Specification | Details |
|---|---|
| Product family | Vacuum Generator Complex Type VK |
| Special electrical specification | Negative-common |
| Solenoid supply | 24 VDC ±10% |
| Vacuum filter element | PVFM |
| Filtering accuracy | 5μm |
| Filter area | 1,130mm² |
| Pressure-sensor configuration | Model-specific |
| Electrical polarity | Negative-common special configuration |
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