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The External Vacuum Controller VXP(-S3 spec.) is a high-performance, lightweight and compact device designed to precisely control vacuum systems with exceptional responsiveness. It enables rapid switching between vacuum and atmospheric conditions, optimizing system performance through fast response times and high cycle durability. The controller supports both direct and indirect operation modes, making it suitable for applications requiring precise timing and reliable vacuum management in industrial automation environments.
The controller is constructed using non-copper metallic materials throughout its flow paths to prevent contamination and ensure compatibility with sensitive processes. Sealing components utilize HNBR or FKM elastomer materials with low ozone concentration, enhancing durability under dynamic vacuum conditions. The body is made from PVF (Polyvinyl formal), a material selected for its chemical resistance and long-term stability in harsh environments.
The VXP(-S3) features a three-port configuration that includes a main vacuum supply valve, allowing for faster vacuum release by enabling direct control of the vacuum source. This design significantly reduces vacuum release time compared to standard two-port models. The controller is available with two types of vacuum switches: one with LED pressure displays and another without, offering flexibility in system integration based on cost and monitoring requirements.
The External Vacuum Controller operates within a vacuum range of -100 to 0 kPa and an air pressure range of 0.3 to 0.7 MPa. It functions reliably across temperatures from 5°C to 50°C and humidity levels from 35% to 85% RH without dew condensation. The device is rated for a proof pressure of 1.05 MPa in the air supply circuit and 0.2 MPa in the vacuum circuit, ensuring robustness under operational stress. It operates on either 24 VDC ±10% or 100 VAC ±10%, with response times optimized for speed and precision.
The VXP(-S3) is available in two switch configurations: a 2-switch output type, an analog output plus one switch output type, and a low-cost analog-output-only type. All variants are designed to meet market demands for different levels of control and monitoring. The product does not offer color options or size variations beyond the standard three-port specification.
The controller integrates directly into vacuum systems via a standard vacuum inlet and pilot valve interface, enabling indirect operation through a pilot valve or direct operation when required. It is designed to work seamlessly with suction solenoid valves and can be connected to control circuits using either 24 VDC or 100 VAC power supplies, making it compatible with existing industrial control systems.
| Specification | Details |
|---|---|
| Fluid medium | Air (JIS B 8392-1: Class 1.2.1 to 2.4.3 compliant), Vacuum |
| Operating pressure range | 0.3 to 0.7 MPa | -100 to 0 kPa |
| Operating vacuum range | -100 to 0 kPa |
| Operating temp. range | 5 to 50 ℃ (No freezing) |
| Operating humidity range | 35 to 85% RH (No dew condensation) |
| Proof pressure (Air supply circuit) | 1.05 MPa |
| Proof pressure (Vacuum circuit) | 0.2 MPa |
| Rated voltage | 24 VDC ±10% | 100 VAC ±10% |
| Operation type | Indirect operation by pilot valve | Direct operation |
| Response time (Standard) (OFF→ON) | 24 VDC: 7.5 msec | 100 VAC: 10.5 msec | 24 VDC: 6 msec | 100 VAC: 9 msec |
| Response time (Standard) (ON→OFF) | 24 VDC: 8.5 msec | 100 VAC: 10 msec |
| Response time (-S3) (OFF→ON) | 24 VDC: 7.5 msec | 100 VAC: 10.5 msec |
| Response time (-S3) (ON→OFF) | 24 VDC: 13 msec | 100 VAC: 22.5 msec |
| Valve type | Normally closed |
| Response time (OFF→ON) (24 VDC) | 3.5 msec |
| Response time (OFF→ON) (100 VAC) | 8 msec |
| Response time (ON→OFF) (24 VDC) | 3 msec |
| Response time (ON→OFF) (100 VAC) | 14 msec |
| Element material | PVF (Polyvinyl formal) |
| Blow-off air rate (2-port spec.) | 0 to 11 L/min [ANR] (at supply pressure 0.5 MPa) |
| Blow-off air rate (3-port spec.) | 0 to 7.5 L/min [ANR] (at supply pressure 0.5 MPa) |
| Current consumption | 40 mA max. | 15 mA max. |
| Pressure detection method | Diffused semiconductor pressure sensor | Diffused semiconductor pressure switch |
| Pressure setting range | -99 to 0 kPa |
| Proof pressure | 0.2 MPa |
| No. of pressure settings | 2 | 1 |
| Switch output | NPN open collector (30 V, 80 mA max., residual voltage 0.8 V max.) | NPN open collector (30 V 80 mA max., Residual voltage 0.8 V max.) |
| Response time | About 2 msec |
| Display frequency | About 4 times/sec |
| Analog output: Output voltage | 1 to 5 V |
| Analog output: Zero point voltage | 1 ±0.1 V |
| Analog output: Span voltage | 4 ±0.1 V |
| Analog output: Output current | 1 mA max. (Load resistance: 5 kΩ min.) |
| Analog output: LIN/HYS | ±0.5% F.S. max. (Reference temperature: 25 ℃) |
| Metric size (mm) | φ3, φ4, φ6 | φ4, φ6, φ8, φ10 |
| Material restriction | No copper-based metallic material is used in flow paths |
| Available options / configurations | Vacuum switches with easy-to-read LED pressure displays are available in three types: 2 switch output type, analog output + 1 switch output type, and low-cost analog-output-only type |
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