IFM PN78 Series Operating Instructions Manual

IFM PN78 Series Operating Instructions Manual

Pressure sensor

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Operating instructions
Pressure sensor
UK
PN78xx
PY7809

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Summary of Contents for IFM PN78 Series

  • Page 1 Operating instructions Pressure sensor PN78xx PY7809...
  • Page 2: Table Of Contents

    Contents 1 Preliminary note ���������������������������������������������������������������������������������������������������3 1�1 Symbols used ������������������������������������������������������������������������������������������������3 2 Safety instructions �����������������������������������������������������������������������������������������������4 3 Functions and features ����������������������������������������������������������������������������������������5 4 Function ���������������������������������������������������������������������������������������������������������������6 4�1 Processing of the measured signals ��������������������������������������������������������������6 4�2 Switching function ������������������������������������������������������������������������������������������6 4�3 Diagnostic function ����������������������������������������������������������������������������������������7 4�4 Differential pressure measurement ����������������������������������������������������������������7 5 Mounting ��������������������������������������������������������������������������������������������������������������8 5�1 Mounting accessories ������������������������������������������������������������������������������������8 5�2 Pressure connections for differential pressure...
  • Page 3: Preliminary Note

    9�3�3 Setting of the damping for the switching outputs ��������������������������������20 9�3�4 Configuration of the display ����������������������������������������������������������������20 9�3�5 Zero point calibration ��������������������������������������������������������������������������21 9�4 Service functions �����������������������������������������������������������������������������������������22 9�4�1 Reading of the min/max values for system pressure ��������������������������22 9�4�2 Reset of all parameters to factory setting �������������������������������������������22 10 Operation ���������������������������������������������������������������������������������������������������������22 10�1 Reading of the set parameters ������������������������������������������������������������������22 10�2 Fault indication ������������������������������������������������������������������������������������������22...
  • Page 4: Safety Instructions

    2 Safety instructions • The device described is a subcomponent for integration into a system� - The manufacturer is responsible for the safety of the system� - The system manufacturer undertakes to perform a risk assessment and to create documentation in accordance with legal and normative requirements to be provided to the operator and user of the system�...
  • Page 5: Functions And Features

    Even if the bursting pressure is exceeded only for a short time, the unit may be destroyed� NOTE: Risk of injury! If pressures might occur which are higher than the permissible overpressure, you should use other units of the PN70xx series� If you have any questions, please contact ifm electronic's sales specialists�...
  • Page 6: Function

    4 Function 4.1 Processing of the measured signals • The unit displays the current system pressure� • It generates 2 output signals according to the parameter setting� OUT1 • Switching signal for system pressure limit value� 2 options OUT2 • Switching signal for system pressure limit value� •...
  • Page 7: 4�3 Diagnostic Function

    4.3 Diagnostic function Output 2 is used as diagnostic output based on the DESINA specification if [OU2] = [dESI]� • If there is no fault, the output is switched and carries UB+ (if P-n = PnP) or UB- (if P-n = nPn)� •...
  • Page 8: Mounting

    5 Mounting Before installing and removing the unit: make sure that no pressure is applied to the system� ► Screw the pressure connection or adapter G⅛ to the main pressure connection (1) and tighten� Maximum tightening torque: 8 Nm� Further possibilities: → the following sections. 5.1 Mounting accessories The following components are available as accessories: Order no�...
  • Page 9: 5�3 Din Rail Mounting

    5.3 DIN rail mounting DIN rail TH 35-7�5 to EN 60715 ► Fix the mounting clip (1) with the screws M4 x 40 (2) to the flange� Maximum tightening torque: 2�5 Nm� ► Hook the unit into the DIN rail and clip it into place� Removal: ►...
  • Page 10: 5�5 Mounting On A Pressure-Carrying Rear Panel

    5.5 Mounting on a pressure-carrying rear panel 1: main pressure connection 2: gland for pressure connection 2 mm 3: adapter plug (not included) 4: O-ring (not included) 5: fixing screws (not included) ► Cover the main pressure connection with an adapter plug G⅛ . Maximum tightening torque: 8 Nm�...
  • Page 11: 5�6 Floor Mounting

    5.6 Floor mounting 4 x M3 4 x M4 28,5 1: main pressure connection 2: fixing holes (4 threaded holes M3 or 4 bore holes with 4�5 mm diameter for fixing screws 3: bore hole for G⅛ adapter 4: bore hole for ventilation connection 5: fixing screws M3 (not included) 6: fixing screws M4 (not included) ►...
  • Page 12: 5�7 Mounting On A Maintenance Unit

    5.7 Mounting on a maintenance unit The unit can be integrated in maintenance units by means of an adapter R⅛ to R⅛ (order no. E37350) or by means of the T pipe mounting set (order no. E37360)� When using the indicated accessories the pressure sensor can be aligned�...
  • Page 13: Electrical Connection

    • binary switching output if [OU2] = [Hno], [Hnc], [Fno] or [Fnc] Pin 2 (OUT2) • diagnostic output if [OU2] = [dESI] Core colours of ifm sockets: 1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black)
  • Page 14: Operating And Display Elements

    7 Operating and display elements 3 4 5 6 Mode/Enter 1 to 8: Indicator LEDs - LED 1 to LED 3 = system pressure in the unit of measurement which is indicated on the label� - LEDs 4 to 6: not used, - LED 7, LED 8 = switching state of the corresponding output�...
  • Page 15: Menu

    8 Menu 8.1 Menu structure...
  • Page 16: 8�2 Explanation Of The Menu

    8.2 Explanation of the menu SP1/rP1 Upper / lower limit value for system pressure at which OUT1 switches� SP2/rP2 Upper / lower limit value for system pressure at which OUT2 switches� Output function for OUT1: • Switching signal for the pressure limit values: hysteresis function [H ��] or window function [F ��], either normally open [�...
  • Page 17: Parameter Setting

    9 Parameter setting During parameter setting the unit remains in the operating mode� It continues its monitoring function with the existing parameters until the parameter setting has been completed� 9.1 General parameter setting 3 steps must be taken for each parameter setting: Parameter selection ►...
  • Page 18 Mode/Enter Set ► Press [Set] and keep it pressed until the valid code no� is displayed� ► Press [Mode/Enter] briefly� On delivery by ifm electronic: no access restriction� ► Press [Set] briefly� > The first parameter of the sub-menu Mode/Enter Set is displayed (here: [Uni])�...
  • Page 19: 9�2 Setting Of The Output Signals

    9.2 Setting of the output signals 9.2.1 Setting of the unit of measurement for system pressure ► Select [Uni] and set the unit of measurement: [bAr], [mbar], [MPa], [kPa], [PSI]� 9.2.2 Setting of the output function ► Select [OU1] and set the function: - [Hno] = hysteresis function / normally open - [Hnc] = hysteresis function / normally closed, - [Fno] = window function / normally open,...
  • Page 20: 9�3�2 Setting Of The Output Logic For The Switching Outputs

    9.3.2 Setting of the output logic for the switching outputs ► Select [P-n] and set [PnP] or [nPn]� 9.3.3 Setting of the damping for the switching outputs ► Select [dAP] and set a value� dAP value = response time between pressure change and change of the switching status in milliseconds�...
  • Page 21: 9�3�5 Zero Point Calibration

    9.3.5 Zero point calibration Setting of an offset value for accuracy optimisation for differential pressure measurement� ► Select [COF] and set a value between -10 % and 10 % of the measuring span� The internal measured value "0" is shifted by this value� ►...
  • Page 22: 9�4 Service Functions

    9.4 Service functions 9.4.1 Reading of the min/max values for system pressure ► Select [HI] or [LO], briefly press [Set]� [HI] = maximum value, [LO] = minimum value� Delete memory: ► Select [HI] or [LO]� ► Press [Set] and keep it pressed until [----] is displayed� ►...
  • Page 23 10.3 Setting ranges SP1 / SP2 rP1 / rP2 ΔP -0�90 10�00 -0�95 9�95 0�05 -0�090 1�000 -0�095 0�995 0�005 mbar -975 1000 -980 -14�1 14�5 -14�2 14�4 0�1 -97�5 100�0 -98�0 99�5 0�5 ΔP = step increment...
  • Page 24: Factory Setting

    11 Factory setting Factory setting User setting 25% VMR * 23% VMR * 75% VMR * 73% VMR * * = the indicated percentage of the final value of the measuring range (VMR) of the corresponding sensor in bar is set...
  • Page 25 More information at www�ifm�com...

This manual is also suitable for:

Py7809Pn7834Pn7809

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