Preliminary note • In these instructions the operating elements are represented as follows: [Mode/Enter] = “Mode/Enter” button • The indications are represented as follows: [OU1] = parameter “OU1”, [Hno] = parameter value “Hno” • An instruction on how to act is indicated by “►”. Example: ► Check the reliable functioning of the unit. • A reaction to the action is indicated by “>”� Example: >...
2 Function and features • The pressure sensor detects the system pressure� • It shows the current system pressure on its display� • It generates 2 output signals according to the set output configuration� OUT1: switching signal for system pressure� OUT2: switching signal for system pressure or diagnostic signal�...
6 Operating and display elements � � � � � � � � � ���������� ��� �� �� 1 - 8: Indicating LEDs - LED 1 - LED 3 = system pressure in unit of measurement as indicated on the label. - LEDs 4 - 6: not used. - LED 7, LED 8 = switching state of the respective output. 9: 4-digit display - Display of the system pressure. - Display of parameters and parameter values. 10: Set pushbutton Setting of the parameter values (scrolling by holding pressed, incremental by pressing briefly)�...
7.2 Menu explanation SP1/rP1 Upper / lower limit value for the system pressure at which output 1 changes its switching status� SP2/rP2 Upper / lower limit value for the system pressure at which output 2 changes its switching status� Output function for OUT1: •...
8 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 set- ting has been terminated� 8.1 Parameter setting general Each parameter setting requires 3 steps: Selecting parameter ►...
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If the submenu is protected with an access code,“Cod1“ flashes in the display. ► Press the „Set“ button and hold it pressed until the valid code no� is shown� ► Then briefly press the „Mode/Enter“ button� Delivery by ifm electronic: no access restriction� • Locking / unlocking The unit can be locked electronically to prevent unintentional wrong settings. ► Ensure that the unit is in the normal operating mode�...
8.2 Setting the output signals 8.2.1 Setting the output function ► Select [OU1] and set the switching function: [Hno] = hysteresis function / normally open, [Hnc] = hysteresis function / normally closed, [Fno] = window function / normally open, [Fnc] = window function / normally closed� ►...
8.3.3 Setting the delay time for the switching outputs ► [dS1] / [dS2] = switch-on delay for OUT1 / OUT2. ► [dr1] / [dr2] = switch-off delay for OUT1 / OUT2 ► Select [dS1], [dS2], [dr1] or [dr2] set value between 0�1 und 50 s (at 0�0 the delay time is not active)� 8.3.4 Setting the damping for the switching outputs ►...
9 Operation After power on of the supply voltage the unit is in the Run mode (= normal opera- tion)� It carries out its measurement and evaluation functions and generates output signals according to the set parameters� 9.1 Operation indication �...
9.4 Diagnostic function (according to DESINA specification) Output 2 is used as a diagnostic output 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). • In case of malfunctions the output becomes inactive� The following malfunc- tions are detected: Measuring cell defect; short circuit in output 1; exceeding / not reaching the limits of the measuring range, EEPROM fault, RAM fault, processor fault�...
11 Technical data Operating voltage [V] ���������������������������������������������������������������������������������������� 18...36 DC Current consumption [mA] ��������������������������������������������������������������������������������������������� < 50 Current rating [mA] ��������������������������������������������������������������������������������������������������������� 250 Overvoltage protection ���������������������������������������������������������������������������������������� up to 40 V Short-circuit prot., reverse polarity prot. / overload prot., watchdog Voltage drop [V] �������������������������������������������������������������������������������������������������������������� < 2 Power-on delay time [s] �������������������������������������������������������������������������������������������������� 0�3 Switching frequency [Hz] ��������������������������������������������������������������������������������� 170 ��� 0,125 Accuracy / deviations (in% of the span) - Accuracy of switch point �����������������������������������������������������������������������������������������...
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