10�3 Cleaning of the filter cover �������������������������������������������������������������������������17 11 Factory setting �������������������������������������������������������������������������������������������������18 1 Preliminary note 1.1 Symbols used ► Instruction > Reaction, result […] Designation of buttons, switches or indications → Cross-reference Important note Non-compliance can result in malfunctions or interference� 2 Safety instructions •...
• 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� • Protect units and cables against damage� 3 Functions and features The pressure sensor detects the system pressure of machines and installations� 3.1 Applications Type of pressure: relative pressure Information on pressure rating and bursting pressure →...
4.2 Pressure monitoring / switching function OUTx 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). •...
5 Installation Ensure that no pressure is applied to the installation while mounting or removing the sensor� Please note: Display „0%“ does not mean that the system is free of pressure! Horizontal mounting recommended for high medium temperatures� ► Screw the sensor into a G ¾ process fitting�...
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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�...
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� LED 7, LED 8 = switching state of the respective output 9: Alphanumeric display, 4 digits - Indication of the current system pressure�...
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� •...
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 ►...
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► 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�...
9.2 Configuring the display (optional) ► Select [Uni] and set the unit of measurement: - [bAr], [MPA], [PSI]� ► Select [SELd] and set the display mode: - [P]: Pressure in the unit set in Uni� - [P%]: percentage value (pressure in % of the set scaling of the analogue output�...
9.3.2 Setting the switching limits ► Select [SP1] / [SP2] and set the value at which the output switches� ► Select [rP1] / [rP2] and set the value at which the output switches back� rPx is always lower than SPx� The unit only accepts values which are lower than SPx�...
9.4.4 Setting the damping for the switching outputs ► Select [dAP] and set value between 0�1 and 100�0 s (at 0�0 = [dAP] is not active)� dAP value = response time between pressure change and change of the switching status in seconds� [dAP] influences the switching frequency: f = 1 ÷...
10.2 Fault indication [OL] Overload pressure (measuring range exceeded)� [UL] Underpressure range (measuring range below the minimum value)� [SC1] Short circuit in OUT1�* [SC2] Short circuit in OUT2�* [SC] Short circuit in both switching outputs�* [Err] Internal fault, invalid input� *The output concerned is switched off as long as the short circuit exists�...
Factory setting User setting 25% VMR* 23% VMR* 75% VMR* 73% VMR* COF / tCOF SELd * = the indicated percentage of the final value of the measuring range (VMR) of the sensor in bar is set� More information at www�ifm�com...
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