IFM PI299 Series Operating Instructions Manual

IFM PI299 Series Operating Instructions Manual

Electronic pressure sensor

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Operating instructions
Electronic pressure sensor
UK
PI299x

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Summary of Contents for IFM PI299 Series

  • Page 1 Operating instructions Electronic pressure sensor PI299x...
  • Page 2: Table Of Contents

    Contents 1 Preliminary note ���������������������������������������������������������������������������������������������������3 1�1 Symbols used ������������������������������������������������������������������������������������������������3 2 Safety instructions �����������������������������������������������������������������������������������������������3 3 Functions and features ����������������������������������������������������������������������������������������4 3�1 Applications ���������������������������������������������������������������������������������������������������4 4 Function ���������������������������������������������������������������������������������������������������������������4 4�1 Processing of the measured signals ��������������������������������������������������������������4 4�2 Pressure monitoring / switching function �������������������������������������������������������5 4�3 Pressure monitoring/ analogue function ��������������������������������������������������������6 4�4 Diagnostic function ����������������������������������������������������������������������������������������8 5 Installation������������������������������������������������������������������������������������������������������������8 6 Electrical connection ������������������������������������������������������������������������������������������10...
  • Page 3: Preliminary Note

    10 Operation ���������������������������������������������������������������������������������������������������������19 10�1 Read the set parameter values �����������������������������������������������������������������19 10�2 Fault indication ������������������������������������������������������������������������������������������19 10�3 Cleaning of the filter cover �������������������������������������������������������������������������20 11 Factory setting �������������������������������������������������������������������������������������������������21 1 Preliminary note 1.1 Symbols used ► Instruction > Reaction, result […] Designation of buttons, switches or indications →...
  • Page 4: Functions And Features

    • The manufacturer assumes no liability or warranty for any consequences caused by tampering with the product or incorrect use by the operator� • Installation, electrical connection, set-up, programming, configuration, operation and maintenance of the product must be carried out by personnel qualified and authorised for the respective activity�...
  • Page 5: 4�2 Pressure Monitoring / Switching Function

    4.2 Pressure monitoring / switching function OUT1 changes its switching state if it is above or below the set switching limits (SP1, rP1)� The following switching functions can be selected: • Hysteresis function / normally open: [OU1] = [Hno] (→ fig. 1). •...
  • Page 6: 4�3 Pressure Monitoring/ Analogue Function

    4.3 Pressure monitoring/ analogue function The analogue signal can be set� • [OU2] defines whether the set measuring range is provided as a 4���20 mA signal ([OU2] = [I]), a 20���4 mA signal ([OU2] = [InEG]), a 0���10 V signal ([OU2] = [U]) or a 10���0 V signal ([OU2] = [UnEG])�...
  • Page 7 • System pressure above the measuring range: - output signal > 20 mA if [OU2] = [I]� - output signal between 4 and 3�8 mA if [OU2] = [InEG]� • System pressure below the measuring range: - output signal between 4 and 3,8 mA if [OU2] = [I]� - output signal >...
  • Page 8: 4�4 Diagnostic Function

    4.4 Diagnostic function Output 1 is used as a diagnostic output according to DESINA specification if OU1 = dESI� • If there is no fault, the output is switched and carries UB+ (if P-n = PnP) or UB- (if P-n = nPn)� •...
  • Page 9 Mounting ► Slightly grease the threads and sealing areas of the sensor and adapter with lubricating paste (C)� The paste must be suitable and approved for the application and compatible with the elastomers used� Recommendation: Klüber paste UH1 84-201 with USDA-H1 approval for the food industry�...
  • Page 10: Electrical Connection

    Pin 4 (OUT1) • diagnostic output if [OU1] = [dESI] Pin 2 (OUT2) • analogue output for system pressure Core colours of ifm sockets: 1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black)
  • Page 11: Operating And Display Elements

    7 Operating and display elements 3 4 5 6 Mode/Enter 1 to 8: Indicator LEDs - LED 1 to LED 6 = system pressure in unit of measurement as indicated on the label� LEDs 5 to 6 not used for units with 3 adjustable units of measurement� - LED 7 not used�...
  • Page 12: Menu

    8 Menu 8.1 Menu structure...
  • Page 13: 8�2 Menu Explanation

    8.2 Menu explanation SP1/rP1 Maximum / minimum value for system pressure, at which output 1 changes its switching status� Output function for OUT1: • Switching signal for the limit values: hysteresis function [H ��] or window function [F ��], normally open [� no] or normally closed [� nc] each� •...
  • Page 14: Parameter Setting

    9 Parameter setting During the parameter setting process the unit remains in the operating mode� It continues its monitoring function with the existing parameters until parameter setting has been terminated� 9.1 Parameter setting general Each parameter setting requires 3 steps: Selecting parameter ►...
  • Page 15 ► Press [Set] and keep it pressed until the valid code no� is displayed� ► Press [Mode/Enter] briefly� Delivery by ifm electronic: no access restriction� • Locking / unlocking The unit can be locked electronically to prevent unintentional wrong settings�...
  • Page 16: 9�2 Configuring The Display (Optional)

    9.2 Configuring the display (optional) ► Select [Uni] and set the unit of measurement: - [bAr], [mbAr], - [MPA], [kPA], - [PSI], - InHO] (only PI2996 and PI2997), - [mWS] (only PI2996 and PI2997)� ► Select [SELd] and set the display mode: - [P]: Pressure in the unit set in Uni�...
  • Page 17: 9�3�2 Setting The Switching Limits

    9.3.2 Setting the switching limits ► Select [SP1] and set the value at which OUT1 switches� ► Select [rP1] and set the value at which OUT1 switches back� rP1 is always lower than SP1� The unit only accepts values which are lower than SP1�...
  • Page 18: 9�4 User Settings (Optional)

    9.4 User settings (optional) 9.4.1 Zero-point calibration ► Select [COF] and set a value between -5% and 5% of the final value of the measuring range� The internal measured value “0” is shifted by this amount� As an alternative: Automatic adaptation offset (setting range 0 bar ±5%); e�g� in the event of a deviation of the mounting location of the sensor and the zero point level for level measurement�...
  • Page 19: 9�5 Service Functions

    9.5 Service functions 9.5.1 Reading the min./max. values for the system pressure ► Select [HI] or [LO], press [Set] briefly� [HI] = maximum value, [LO] = minimum value� Delete memory: ► Select [HI] or [LO]� ► Press [SET] until [----] is displayed� ►...
  • Page 20: 10�3 Cleaning Of The Filter Cover

    10.3 Cleaning of the filter cover If viscous and residues producing media clog the filter cover of the sensor (and thus reduce the measuring accuracy slightly), you can clean it� ► Unscrew the filter cover (B) (use a pair of pliers with plastic-covered jaws for this)�...
  • Page 21: Factory Setting

    AEP / tAEP 100% VMR* COF / tCOF bAr / mbAr SELd * = the indicated percentage of the final value of the measuring range (VMR) of the corresponding sensor in bar / mbar is set� More information at www�ifm�com...

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