Kobold PDD Series Operating Instructions Manual
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Kobold PDD Series Operating Instructions Manual

Electronic pressure switch
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Operating Instruction
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Electronic Pressure Switch
Model: PDD

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Summary of Contents for Kobold PDD Series

  • Page 1 Operating Instruction Electronic Pressure Switch Model: PDD...

  • Page 2: Table Of Contents

    11. Maintenance ....................16 12. Technical Information .................. 17 13. Order Codes ....................18 14. Dimensions ....................19 15. EU Declaration of Conformance ..............20 Manufactured and sold by: Kobold Messring GmbH Nordring 22-24 D-65719 Hofheim Tel.: +49(0)6192-2990 Fax: +49(0)6192-23398 E-Mail: info.de@kobold.com Internet: www.kobold.com...

  • Page 3: Note

    2. Note Please read these operating instructions before unpacking and putting the unit into operation. Follow the instructions precisely as described herein. The devices are only to be used, maintained and serviced by persons familiar with these operating instructions and in accordance with local regulations applying to Health &...

  • Page 4: Operating Principle

    5. Operating Principle KOBOLD pressure sensors / switches series PDD are cost effective electronic pressure switches with digital indication of actual pressure. Two switch points, on / off-switch delay and hysteresis that are within the measuring range are programmable. A piezo resistive ceramic sensor is used. The units can be used where high switching accuracy is needed.

  • Page 5: Electrical Connection

    7. Electrical Connection Attention! Ensure that the voltage levels of your supply system are in agreement with the voltage levels given on this manual.  Make sure that the supply wires are de-energised.  The connection is via an M 12x1 plug, as shown below. ...

  • Page 6: Commissioning

    PNP Wiring Plug NPN Wiring Plug 8. Commissioning Attention! Please take note that during operation at high temperatures, the surface and the elements within the unit may become very hot! Connect the pressure switch according to the figure shown on the previous page, and supply the device with the specified voltage.

  • Page 7: Function Keys

    8.1. Function Keys In Normal mode (Measuring mode) : Press 3 sec set-up mode PDD-1x and PDD-2x : Switch point/display window point PDD-5x and PDD-7x : Switch point/display hysteresis In set up mode Any time: : Next level 3 sec. : Change value or 20 sec.

  • Page 8: Parameter Setting

    9.1. Parameter setting From main menu option (e.g. Switching point, "SPo"), press "" key in order to go to Parameter set up. The following flow diagram shows the sequence of steps required to change a single parameter. [from main menu option] 1.

  • Page 9: Set-Up For Pdd-1X And Pdd-2X

    9.2. Set-up for PDD-1x and PDD-2x 3 sec Code input Setting parameter Switch pt. 1 Setting parameter Hysteresis Setting parameter Duo-Point Setting parameter On-Delay Setting parameter Off-Delay Setting parameter Contact type N/O contact N/C contact Save PDD K04/0217 Page 9...
  • Page 10 Filter 7 levels Setting parameter 1..2..4...64 Set-up Startpoint 7sec Setting parameter Change code Setting parameter Page 10 PDD K04/0217 Seite 2 von 2...

  • Page 11: Set-Up For Pdd-5X And Pdd-7X

    9.3. Set-up for PDD-5x and PDD-7x 3 sec Code input Setting parameter Switch pt. 1 Switch pt. 2 Setting parameter Hysteresis 1 Hysteresis 2 Setting parameter On-Delay 1 Setting parameter On-Delay 2 Setting parameter PDD K04/0217 Page 11...
  • Page 12 Off-Delay 1 Setting parameter Off-Delay 2 Setting parameter Contact type 1 N.O. contact N.C. contact Save N.O. contact N.C. contact Save Filter 7 levels Set-up Startpoint 7sec Setting parameter Change code Setting parameter Page 12 PDD K04/0217...

  • Page 13: Main Menu Options

    10. Main Menu Options 10.1. Switch point In menu option "SPo", “SP1”, “SP2” the switch point can be set. A value between -199 and 999 can be selected. Additionally, a decimal place can be assigned to this value. The decimal point can be set after the first or the second place (e.g.

  • Page 14: Switching Behaviour

    10.4. Switching behaviour The following diagram clarifies the switching behaviour of the pressure switch. The contact closes (type of contact: N.O.) when exceeding the switch point or falling short of the window point. It opens only again after exceeding the window point plus the hysteresis or falling below the switch point minus the hysteresis.

  • Page 15: Filter

    10.5. Filter The filter function "Filt" forms a running average from the measured values. The following values can be set (see section 8; set up): 1 / 2 / 4 / 8 / 16 / 32 / 64 They correspond to the number of samples used in the running average. The filter value determines the dynamic behaviour of the display value.

  • Page 16: Set-Up Start Point

    10.8. Set-up start point In a state of no pressure, a new Zero-point is calibrated in menu option “S-A“. For security reasons, the user must press and hold the "" key for 7 seconds, in order to set the parameter. 10.9.

  • Page 17: Technical Information

    12. Technical Information Housing: stainless steel 1.4305 Connections: G 1/4 or G 1/2 male stainless steel 1.4404 option: 1/4 NPT or 1/2 NPT others on request Gasket: FPM (option EPDM) Sensor element: piezzo resistive ceramic cell Indication: 3-digit LED, 7mm Resolution: max.

  • Page 18: Order Codes

    13. Order Codes Example: PDD-15 3 R2 C315 Electrical Model/Output Connection Measuring range* connection C315=-1...0 bar B025= 0...1 bar B035= 0...1,6 bar B045= 0...2,5 bar B055= 0...4 bar B065= 0...6 bar PDD-15=1x PNP-switching output R2=G 1/4 B075= 0...10 bar PDD-25=1x NPN- switching output R4=G 1/2 3=St.

  • Page 19: Dimensions

    14. Dimensions Info! The suitable M12x1 socket with 2m cable for the M12x1 plug can be obtained with the order code: ZUB-KAB-12K002. (Illustration with socket) PDD K04/0217 Page 19...

  • Page 20: Eu Declaration Of Conformance

    15. EU Declaration of Conformance We, KOBOLD Messring GmbH, Hofheim-Ts, Germany, declare under our sole responsibility that the product: Electronic Pressure Switch model: PDD-1, PDD-2, PDD-5 and PDD-7 to which this declaration relates is in conformity with the standards noted below:...

This manual is also suitable for:

Pdd-1Pdd-5Pdd-2Pdd-7

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