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Druck DPI 530 User Manual

Pneumatic pressure controller
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Druck DPI 530 Sub-Rack
Pneumatic Pressure Controller
User Manual
K162
K162 Issue No. 2

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  • Page 1 To buy, sell, rent or trade-in this product please click on the link below: http://www.avionteq.com/Druck-GE-Sensing-DPI-530-Digital-Pressure-Controller.aspx www.avionteq.com Druck DPI 530 Sub-Rack Pneumatic Pressure Controller User Manual K162 K162 Issue No. 2...
  • Page 3 DPI 530 User Manual Safety The manufacturer has designed this instrument to be safe when operated using the procedures detailed in this manual. Do not use this instrument for any other purpose than that stated. Do not apply values greater than the maximum value stated.
  • Page 4 DPI 530 User Manual Abbreviations and Symbols The following abbreviations are used in this manual. Note: Abbreviations are the same in the singular and plural. digital voltmeter full-scale International Electrical Council inHg inch of mercury kg/cm kilogram per centimetre squared...

  • Page 5: Table Of Contents

    DPI 530 User Manual Contents Section page Introduction ................1 1.1 Specification ................2 Installation ................. 5 2.1 Mounting ..................5 2.2 Source/Outlet Connections ............5 2.3 Electrical Connections ..............5 2.4 Pressure Connections ..............11 2.5 Fitting into Euro Rack ..............12 2.6 Applications .................
  • Page 6 DPI 530 User Manual Illustrations Figure page 2-1 Rear Panel Connections ............6 2-2 Ready Output ................10 2-3 Euro Sub Rack Fitting ..............12 Applications 2A Measure or Control Mode ............14 2B Apply Fixed Set-points ............... 14 2C V to P or I to P Conversion ............15 2D Automatic Pressure Cycling ............

  • Page 7: Dpi 530 User Manual

    DPI 530 User Manual Introduction The DPI 530 instrument is a fast response, closed loop, pneumatic pressure controller. It is contained in a Euro sub-rack module that can be mounted in a 3U high sub-rack. A push switch on the front panel enables the instrument to operate in either the pressure measure mode or pressure control mode.

  • Page 8: Specification

    DPI 530 User Manual Specification Range ..................-1 to 20 bar Accuracy ..................±0.1 % FS Temperature effects ......combined zero and span shifts of <0.5%FS (over 0 - 50°C) Stability .............. <0.025% rdg per 90 days Controller stability .................. <0.01% FS Maximum Safe Working Pressure ...............
  • Page 9 DPI 530 User Manual Remote control Voltage ..........0 to 10 V, input impedance >500 kΩ Current ..............0 to 20 mA, 100Ω sense Display ................7-segment LCD read-out ....................19999 resolution ..............Better than ±0.005% FS Electromagnetic compatibility This instrument complies with European EMC directive and meets: ..............
  • Page 10 DPI 530 User Manual (blank page) K162 Issue No. 2...

  • Page 11: Installation

    DPI 530 User Manual Installation Installation must be carried out by suitably qualified installation personnel. Mounting This instrument is a 3U high, Euro sub-rack unit, designed to be mounted in a Euro Sub-rack. Source/Outlet Connections (Figure 2-1) The common front and rear pressure outlet ports should have a blanking plug fitted when not in use.

  • Page 12: Rear Panel Connections

    DPI 530 User Manual Figure 2-1 Rear Panel Connections K162 Issue No. 2...
  • Page 13 DPI 530 User Manual CAUTIONS SE THE CORRECT POWER SUPPLY SETTINGS PERATING VOLTAGE RANGES ARE MARKED ON THE REAR PANEL OF THE INSTRUMENT AND DETAILED IN THE SPECIFICATION HE EARTH GROUND CABLE COLOURED GREEN YELLOW MUST BE CONNECTED TO THE POWER SUPPLY SAFETY EARTH GROUND 2.3.1...
  • Page 14 DPI 530 User Manual 2.3.2 Set-up Decimal Point Position Set the decimal point position by selecting the switches on the rear panel to on as shown below. Note: All other switches in the (1 to 4) group should be set to OFF.
  • Page 15 DPI 530 User Manual Switch on the a.c. power supply and check that the instrument’s display comes on. If the instrument’s display does not come on, isolate the power supply and check the power supply fuse. 2.3.5 Remote Input To set remote control, proceed as follows.

  • Page 16: Ready Output

    DPI 530 User Manual 2.3.6 Ready Output (Figure 2-2) The ready output connection on the rear panel is an optically isolated open collector transistor. It can be used in control systems to carry a maximum of 30 V at 100 mA e.g., to energize an external relay or indicator.

  • Page 17: Pressure Connections

    DPI 530 User Manual Pressure Connections WARNINGS BEFORE CONNECTING/DISCONNECTING PRESSURE COUPLINGS, RELEASE THE PRESSURE AND VENT THE PIPES. ONLY USE CORRECTLY RATED PRESSURE PIPES AND FITTINGS. 2.4.1 Procedure (Figure 2-1) Make sure that the supply source complies with the specification.

  • Page 18: Fitting Into Euro Rack

    DPI 530 User Manual Fitting into Euro Rack (Figure 2-3) When connected, slide the instrument into the Euro rack and secure in position with the four captive fixing screws (1). Figure 2-3 Euro Sub Rack Fitting K162 Issue No. 2...

  • Page 19: Applications

    DPI 530 User Manual Applications The DPI 530 instrument can be used in many ways for carrying out tests and supplying regulated pressure to external systems. Table 2-1 below lists some application examples and the following figures show the instrument configuration.

  • Page 20: A Measure Or Control Mode

    DPI 530 User Manual reference Druck DPI 530 PRESSURE CONTROLLER ÷ Span Measure source Ready variable set-point Control Outlet ÷ Zero Measure Control outlet to user system outlet front or rear panel Figure 2A Measure or Control Mode Druck DPI 530...
  • Page 21 DPI 530 User Manual reference Druck DPI 530 PRESSURE CONTROLLER ÷ Span source Ready Control Outlet ÷ Zero outlet to user system Measure Control 0 - 10 V 0 - 20 mA Figure 2C V to P or I to P Conversion...

  • Page 22: D Automatic Pressure Cycling

    DPI 530 User Manual Druck DPI 530 PRESSURE CONTROLLER ÷ Span source Ready Control Outlet ÷ Zero outlet to user system Measure Control 0 - 10 V Figure 2D Automatic Pressure Cycling K162 Issue No. 2...

  • Page 23: E Pressure Switch Test Cycling

    DPI 530 User Manual Druck DPI 530 PRESSURE CONTROLLER ÷ Span source Control Ready outlet Outlet ÷ Zero Measure Control pressure switch 0 - 10 V Figure 2E Pressure Switch Test Cycling K162 Issue No. 2...

  • Page 24: F Remote Controller With Ready Signal Interface

    DPI 530 User Manual Druck DPI 530 PRESSURE CONTROLLER source Span ÷ User relay system Ready interface Ready signal pressure input Outlet ÷ outlet Zero Measure Control 0 - 10 V Control 0 - 20 mA Figure 2F Remote Controller with Ready Signal Interface...

  • Page 25: Operation

    DPI 530 User Manual Operation Description This instrument operates in two modes, measure and control. A push switch on the front panel switches between the two modes. An LED indicates green for measure mode and red for control mode. A further push switch on the front panel switches between the span divider and the set- point adjuster.
  • Page 26 DPI 530 User Manual 3.1.3 Functional Description (Figure 3-1) The instrument's controller uses pneumatic valves to control the flow (pressure) of the gas from a source pressure. The valves are energised by a pulse width modulated signal. A transducer mounted on the manifold measures the pressure and produces a feedback signal proportional to the outlet pressure.

  • Page 27: Schematic Diagram

    DPI 530 User Manual Figure 3-1 Schematic Diagram K162 Issue No. 2...

  • Page 28: Front Panel

    DPI 530 User Manual span divider keys display ready indicator span divider adjustment set-point/ span divider selector measure/ control set-point indicator adjuster Figure 3-2 Front Panel K162 Issue No. 2...

  • Page 29: Controlling A Pressure

    DPI 530 User Manual Controlling a Pressure (Figure 3-2) The set-point adjuster controls the output of the instrument and can set a level between 0 and 100% full-scale. The span divider keys, can be set to select a controlled output of between 1 and 100% of the current set-point.
  • Page 30 DPI 530 User Manual 3.2.3 Remote Operation For remote operation the instrument correctly configured using the rear panel switches refer to the installation section for details. Control signal required: 0 - 10 V 0 - 100% FS 0 - 20 mA 0 - 100%FS Connect the outlet to the system as required, turn the source pressure on.

  • Page 31: Calibration

    DPI 530 User Manual Calibration The instrument is supplied with a calibration certificate. For the instrument to stay accurate it is recommended that the instrument is checked every 12 months. The use of a Class A compensated deadweight tester is recommended.

  • Page 32: Accuracy Check

    DPI 530 User Manual Accuracy Check If the accuracy or stability of the instrument is suspect the following accuracy and temperature performance checks can be carried out. Equipment Pressure standard with less than 0.025% FS non-linearity and non- repeatability. Environment The procedure must be carried out at ambient pressure and at a temperature of between +18°...

  • Page 33: Access For Adjustments

    DPI 530 User Manual Measurement unit full-scale potentiometer Remote input potentiometers (Voltage and current) Span divider potentiometer RV13 to RV19 Figure 4-1 Access for Adjustments K162 Issue No. 2...

  • Page 34: Pressure Calibration Adjustment

    DPI 530 User Manual Pressure Calibration Adjustment To carry out this procedure the instrument must be dismantled to access the potentiometers on the PCB. Equipment Pressure standard of less than 0.025% FS non-linearity and non- repeatability. Dismantling (Figure 4-1) 1. Remove the instrument from its installed position.
  • Page 35 DPI 530 User Manual 8. Maintain the applied pressure at 80% FS and, if necessary, adjust each unit of pressure measurement potentiometer as follows: Set the switch SW to the next unit of pressure measurement. Adjust the appropriate potentiometer detailed in Figure 4-3 and shown in Figure 4-4.

  • Page 36: Units Of Pressure Measurement And Switch Positions

    DPI 530 User Manual s t i o i t ² Figure 4-3 Units of pressure measurement and switch positions RV7 RV6 RV5 RV4 RV3 RV21 Figure 4-4 Units of pressure measurement potentiometers K162 Issue No. 2...

  • Page 37: Remote Voltage And Current Set-Point Calibration Adjustment 32 4.4 Assembly

    DPI 530 User Manual Remote Voltage and Current Set-point Calibration Adjustment The following adjustments can only be carried out with the instrument dismantled. Equipment Digital voltmeter 0.05% FS accuracy Variable voltage source maximum 10 V Variable current source maximum 20 mA 4.3.1 Current Input (Figure 4-2)
  • Page 38 DPI 530 User Manual Example FS = 350 mbar input current = 19.986 mA Adjust instrument reading to: 19.986 x 350 mbar 349.8 mbar 20 mA 4.3.2 Voltage Input (Figure 4-2) Preparation 1. Set SW3-7 to open and SW3-8 to closed.

  • Page 39: Assembly

    DPI 530 User Manual Re-assembly (Figure 4-1) 1. Carefully locate the PCB in the front panel and secure with the two countersunk screws. 2. Locate the top and bottom panels in the grooves of the side panels and then locate the rear panel.
  • Page 40 DPI 530 User Manual for details see figure 4-4 RV22 REMV REMI RV20 RV21 RV12 test point VSPT RV17 test point VSUM Figure 4-2 Printed circuit board K162 Issue No. 2...

  • Page 41: Maintenance

    DPI 530 User Manual Maintenance There is no routine maintenance on this instrument. Fault Finding Carry out the following general fault location routines in Table 5.1. Controller Adjustment This procedure should only be carried out after a leak check (section 5.3) and when the instrument's outlet pressure becomes unstable or there is too much noise or unusual noise from the controller valves.
  • Page 42 DPI 530 User Manual K162 Issue No. 2...

  • Page 43: Leak Check

    DPI 530 User Manual 6. Select to position A links LK1 and LK3. 7. Turn the set-point adjuster to the fully clockwise position. Check that the Ready LED goes off. 8. Turn the set-point adjuster to the fully counter-clockwise position.

  • Page 44: Cleaning

    DPI 530 User Manual Cleaning Clean the instrument case with a damp, lint-free cloth and mild detergent. K162 Issue No. 2...

  • Page 45: Approved Service Agents

    DPI 530 User Manual Approved Service Agents The following are approved agents for the servicing of Druck instruments. FRANCE JAPAN Druck SA, Japan 19 rue Maurice Pellerin, Druck Japan KK, 92600 Asnières, Medie Corp Building 8, FRANCE. 2-4-14 Kichijyoji-Honcho, Tel: (1) 43 34 24 75...

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