IFM PQ78 Series Operating Instructions Manual Download | Manualshive

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Operating instructions

Pressure sensor

PQ78xx

UK

80007231 / 00

06 / 2019

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Summary of Contents for PQ78 Series

Page 1: ...Operating instructions Pressure sensor PQ78xx UK 80007231 00 06 2019...

Page 2: ...9 1 General parameter setting 12 9 2 Setting of the output signals 14 9 2 1 Setting of the unit of measurement for system pressure 14 9 2 2 Setting of the output function 14 9 2 3 Setting of the switc...

Page 3: ...s documentation must contain all necessary information and safety instructions for the operator the user and if applicable for any service personnel authorised by the manufacturer of the system Read t...

Page 4: ...3 42 4 Vp The Sensor shall be connected only by using any R C CYJV2 cord having suitable ratings 3 Functions and features The unit monitors the system pressure in pneumatic and compressed air network...

Page 5: ...changes its switching state if it is above or below the set switching limits SPx rPx The following switching functions can be selected Hysteresis function normally open oux Hno fig 1 Hysteresis funct...

Page 6: ...ing Before installing and removing the unit make sure that no pressure is applied to the system Screw the pressure connection or adapter G to the main pressure connection 1 and tighten Maximum tighten...

Page 7: ...ge Maximum tightening torque 0 5 Nm Hook the unit into the DIN rail and clip it into place Removal Lever out the mounting clip with a screwdriver at the top or at the bottom and remove the unit 5 3 Re...

Page 8: ...tallation of electrical equipment must be adhered to Voltage supply to EN 50178 SELV PELV Disconnect power Connect the unit as follows 4 L L 2 1 3 Out 1 Out 2 4 2 2 1 4 3 Pin 1 Ub Pin 3 Ub Pin 4 OUT1...

Page 9: ...5 to 6 not used LED 7 LED 8 switching state of the corresponding output 9 Alphanumeric display 4 digits Indication of the current system pressure Indication of the parameters and parameter values 10 S...

Page 10: ...10 8 Menu 8 1 Menu structure S M M S M M S M M S M S M M S M M M S M M S M M S M S M S M M M M S M M S M S M M S M RUN M M M S M M S M M S M M M S M M S...

Page 11: ...r OUT1 Switching signal for the pressure limit values hysteresis function H or window function F either normally open no or normally closed nc ou2 Output function for OUT2 Switching signal for the pre...

Page 12: ...r flashes for 5 s After 5 s setting value is changed incrementally by pressing the button once or continuously by keeping the button pressed Numerical values are incremented continuously To reduce the...

Page 13: ...t parameter of the sub menu is displayed here uni Locking unlocking The unit can be locked electronically to prevent unintentional settings Make sure that the unit is in the normal operating mode Pres...

Page 14: ...tion normally closed diA output 2 is used as a diagnostic output 9 2 3 Setting of the switching limits hysteresis function Make sure that the function Hno or Hnc is set for ou1 or ou2 Select SP1 SP2 a...

Page 15: ...nge of the switching status in milliseconds The following fix values can be set they define the switching frequency f of the output dAP 2 5 5 10 30 60 100 250 500 1000 2000 f 200 100 50 16 8 5 2 1 0 5...

Page 16: ...n briefly flashes Release SET Press Mode Enter briefly to confirm the new offset value Reset of the teached value Select coF and set the value 0 9 4 Service functions 9 4 1 Reading of the min max valu...

Page 17: ...ns to the Run mode 10 2 Fault indication OL Overload pressure measuring range exceeded UL Underload pressure below measuring range SC1 Short circuit in OUT1 SC2 Short circuit in OUT2 SC Short circuit...

Page 18: ...P1 FH1 25 VMR rP1 FL1 23 VMR ou1 Hno ou2 Hno SP2 FH2 75 VMR rP2 FL2 73 VMR coF 0 0 dS1 0 dr1 0 dS2 0 dr2 0 dAP 2 5 diS d2 uni bAr cLor r on the indicated percentage of the final value of the measuring...

Page 19: ...19 UK More information at www ifm com...

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