DS 351 Electronic Pressure Switch with IO-Link Interface

Tough, precise pressure sensing for harsh environments

The DS 351 is a sophisticated instrument designed for use in machine tools, pneumatic, and hydraulic systems, and is capable of handling aggressive media with an optional PVDF pressure port. It includes a standard IO-Link interface, efficiently transmitting process data, diagnostic reports, and status updates for easier maintenance. Users can adjust parameters either remotely or directly via its VDMA-compliant menu, operated by two buttons. The DS 351’s versatile display and customisable output signal, whether switching or analogue, provide unparalleled precision and flexibility for various measurement tasks.

DS 351 Pressure Switch Product Parameters

  • Pressure Ranges: Up to 600 bar, gauge and absolute.
  • Output Signal: IO-Link/SIO, 4-20 mA/0-10 V, PNP/NPN switchable.
  • Accuracy: ±0.5% FSO for switching, ±1% FSO for analog.
  • Electrical Connections: M12x1, 4-pin metal.
  • Process Connections: Options include stainless steel and PVDF.
  • Media Compatibility: Compatible with various media; PVDF for aggressive substances.
  • Special Features: 4-digit LED display, IO-Link interface, adjustable settings, shock/vibration resistance, IP 67 protection, EMC and Pressure Equipment Directive compliant.

Product Highlights

The DS351 Pressure Switch is a versatile device designed for a wide pressure range, from 0 … 0.4 bar up to 0 … 600 bar gauge and absolute. It utilises IO-Link technology for efficient data transfer at 38.4 kbit/sec, offering switchable output signals including PNP, NPN, 4 … 20 mA, and 0 … 10 V. The pressure switch features a 4-digit LED display for clear value indication, a rotatable and configurable display module, and parameter settings via IO-Link or a menu (VDMA-conform). 

Optional versions include different mechanical connections, a PVDF pressure port, and customer-specific versions. Its user-friendly features, such as the LED display and flexible parameter settings, provide easy monitoring and customisation. The DS351 Pressure Switch is a reliable solution that caters to various pressure-sensing needs in industrial applications.

Applications

The plant and machine engineering sector benefits greatly from the DS 351 Electronic Pressure Switch due to its robust design and precise pressure monitoring capabilities. In this field, the switch is used to ensure the safe and efficient operation of various machinery by continuously monitoring hydraulic and pneumatic systems. Its ability to provide accurate pressure readings and trigger alarms or control signals helps prevent equipment damage, reduce downtime, and optimize maintenance schedules. The integration of IO-Link technology further enhances its utility, allowing for seamless communication and data exchange within automated plant environments.

In environmental engineering (water-sewage-recycling), the DS 351 plays a crucial role in maintaining the reliability and safety of water treatment and recycling processes. The switch is used to monitor and control the pressure in pipelines, pumps, and filtration systems, ensuring that these systems operate within safe parameters. This is particularly important in applications such as sewage treatment plants, where maintaining the correct pressure is essential for process efficiency and environmental compliance. The DS 351’s high accuracy and resistance to harsh environmental conditions make it an ideal choice for these demanding applications.

To download the latest datasheet click here: DS 351

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