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Bimba MFD User Manual

Digital pressure switch
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USER GUIDE
Digital Pressure Switch
User Guide

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Summary of Contents for Bimba MFD

  • Page 1 USER GUIDE Digital Pressure Switch User Guide...

  • Page 2: Table Of Contents

    Contents Product Overview and Features ....................3 Installation and Wiring ........................5 Digital Output Modes........................6 Analog Output Characteristics ....................... 7 Initial Settings ..........................8 Setting Digital Outputs ........................9 Setting the Zero Point ........................10 Setting Max. and Min. Display Values ................... 11 Setting Up the Key Lock Function ....................

  • Page 3: Product Overview And Features

    Designed for use with MFD FRL products, DPS Series switches can be mounted directly to MFD regulators, filter/regulators, and soft start valves using available adapter kits. Or, the DPS can be standalone mounted via the male center-back port, available panel adapter, or threaded mounting holes.
  • Page 4 Engineering Specifications Accessories Panel Adapter and Cover: DPS-PA 5m Data Cable: DPS-C5M...

  • Page 5: Installation And Wiring

    Display Features Pressure Unit Display Output 1 Indicator Pressure Display Output 2 Indicator UP Button DOWN Button SET Button Installation and Wiring Precautions Apply tightening torque to the hex-shaped boss near the pressure port. Do not attempt to install the pressure switch by turning the switch body. Serious damage to the switch may result. Wiring Diagrams...

  • Page 6: Digital Output Modes

    Sensor Breather Port DPS series switches include a vent port located on the bottom of the switch housing. The vent port allows atmospheric pressure to the sensor for accurate measurement. To maintain IP65 enclosure protection, install the supplied tube and sintered breather on the vent port. Or, use a 2.5mm I.D.

  • Page 7: Analog Output Characteristics

    Hysteresis Mode Hysteresis mode operates similarly to point set mode but allows the user to set a wider hysteresis band. The digital output is enabled when pressure rises above H1 or H2 and is disabled when pressure falls below L1 or L2. For information on setting H1, H2, L1 and L2, see “Setting Digital Outputs”.

  • Page 8: Initial Settings

    Initial Settings The DPS basic settings menu allows the user to setup digital output options, change response time, and configure the display color and pressure units. To access the basic settings menu, press and hold the blue “SET” button for three seconds. Press the “SET” button momentarily to step through the seven settings within the menu.

  • Page 9: Setting Digital Outputs

    Display Color ON: Green ON: Red Constant Green Constant Red ON: Green = Display turns green when the linked output is enabled ON: Red = Display turns red when the linked output is enabled See “Advanced Settings” for information on linking an output to color. Display Units kgf/cm Measurement...

  • Page 10: Setting The Zero Point

    30. 0 30. 1 35. 0 34. 9 Measurement 0. 0 Mode Note: If output 2 is disabled in the basic settings menu, pressure variables for that output will not appear in the output setting menu. Additionally, outputs configured for point set mode in basic settings will only show P1 and P2 variables.

  • Page 11: Setting Max. And Min. Display Values

    Setting the Max. and Min. Display Values Set the maximum and minimum display values to limit the range of pressures displayed on the DPS LCD display. To set the maximum display value, press and hold the “UP” button for at least three seconds.

  • Page 12: Using The Copy Function

    Measurement 0. 0 Mode Using the Copy Function The copy function permits quick transfer of settings from a previously configured DPS (master) to a new DPS of the same model (slave). Prior to executing the copy, set the master unit’s copy setting to on or onL in the advanced settings menu.
  • Page 13 Advanced Settings Setting ID Setting Options Measurement 0. 0 Mode >5s … System Hysteresis 5 places … 3 decimal places 4 places See FAQ section for more information on system hysteresis and decimal places Display Color Link Output 1 Output 2 Linking the display color to an output permits the display color to change when the linked output is enabled.

  • Page 14: Calibration And Fine Adjustment Mode

    5 will set system hysteresis to 0.5psi. Q: What is the difference between the MFD DPS switches and the DG-06 or DG-08? DPS Series switches and MFD digital gauges (DG-06 and DG-08) all display system pressure but DPS switches are powered externally, offer programmable digital outputs, and an analog output or copy function.

  • Page 15: Support

    12VDC supply, a 10V analog output signal could be affected by variations in the supply voltage. As such, the analog output is limited to 5V. Support For application support or information on MFD’s line of high-quality air preparation equipment, pneumatic valves, and actuators, contact MFD in Chicago, IL. Telephone:...

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