PZ0021 - Sensor IFM - Free user manual and instructions

USER MANUAL PZ0021 IFM

LEDs green display of the system pressure (lit LEDs, ) and of the switch-on point (flashing LED, ) LED yellow switching status; lights if the output has switched SET S / ENTER R button indication and adjustment of the switch-on point (S); acknowledgement of the switch-off point (R)* indication and adjustment of the switch-off point (R); acknowledgement of the switch-on point (S)* *Setting: scrolling by holding pressed; incremental by pressing briefly SET R / ENTER S button

system pressure / switch-on point (in 10% steps) display of switch-on point (S) (in 1% steps) display of switch-off point (R) (in 1% steps) setting of switch-on point (S) setting of switch-off point (R)

OUT 120bar + 32bar = 152bar Display of S / R in 1% steps) = value of the lit LED (

+ 1/10 of the value of the flashing LED (

OUT 7,5bar + 2bar = 9,5bar PBxxx3 0 ... 25 bar1. Function and features The pressure sensor detects whether a preset value has been reached or not and indicates this by a switched signal. In addition a row of LEDs signals the current system pressure and the switch point (both in 10% steps). Applications (type of pressure: relative pressure):

• OUT system pressure switch point = lit LED = flashing LED Bursting pressure Permissible overl. pressure Measuring rangeOrder no. PB5xx0 0 p. 400
• bar 600 bar 1000 bar PB5xx1 0 p. 250
• bar 400 bar 850 bar PB5xx2 0 p. 100
• bar 300 bar 650 bar PB5xx3 0 p. 25
• bar 100 bar 350 bar PB5xx4 0 p. 10
• bar 50 bar 150 bar PB5xx6 0 p. 2
• ,5 bar 20 bar 50 bar PB5xx7 0 bar 10 bar 30 bar Safety instructions Please read the product description prior to installing the unit. Please check that the product is suitable for your application without any restrictions. If the operating instructions or the technical data are not adhered to, personal injury and/or damage to property may occur. Please check in all applications that the product materials (see Technical data) are compatible with the media to be mea- sured. For gaseous media the application is limited to max. 25 bar.Avoid static and dynamic overpressure exceeding the given over- load pressure. Even if the bursting pressure is exceeded only for a short time the unit can be destroyed (danger of injuries)! Indication of the current system pressure as from 5% of the value of the measuring range. “All LEDs OUT” does not mean that the system is free of pressure! The unit p. 1

• can be used as N.O. or N.C.

• and operates with the hysteresis function. When the system pressure is rising, the output switches when the switch-on point has been reached (S); when the system pressure is falling again, the out- put switches back when the switch-off point (R) has been reached. The hysteresis can be set: First the switch-on point is set, then the switch-off point with the requested difference. Setting range:

PB5xx1 PB5xx2 PB5xx3 PB5xx4 PB5xx6 PB5xx72. Operating modes The unit has the following operating modes: Run mode (normal operating mode), display mode (indication of the switch-on / switch-off point), programming mode (setting of the switch-on / switch-off point). Run mode: When the supply voltage has been applied, the unit is in the Run mode. It monitors and switches the transistor output according to the set hys- teresis. The green LEDs indicate the current system pressure, the yellow LED indi- cates the switching state of the output. Display mode: When the button “SET S” (or “SET R”) is pressed for a short time, the unit passes to the Display mode. Internally it remains in the operating mode. Irrespective of this the switch-on / switch-off point can be read in 1% steps.

• When the button is pressed for a short time, the corresponding value is displayed for approx. 5s; then the unit returns to the Run mode. Programming mode: The unit passes to the programming mode when after the selection of a parameter value (Display mode) the "Set" button is pressed until the display of the parameter value is changed. Internally the unit remains in the operating mode. It continues its monitoring function with the existing parameters until the change has been terminated. You can change the parameter value by pressing the "Set" button and confirm it by pressing the "Mode/Enter" button. The unit returns to the Run mode when no button has been pressed for 5s.

OUT 30bar + 8bar = 38bar scale value of the lit LED +1/10 of the scale value of the flashing LED = displayed valueENGLISH

Before mounting and removing the sensor, make sure that no pressure is applied to the system. Mount the pressure sensor on a suitable process connection (see type label “Port Size”).

4. Electrical connection

The unit must only be connected by an electrician. The national and international regulations for the installation of electrical equipment must be observed. Voltage supply to EN50178, SELV, PELV. Disconnect power before connecting the unit. Wiring:

M12 connector DC PNP M12 connector DC NPN SS connector DC PNP Core colours of ifm sockets: 1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black).5. Programming Increase the switch-on point / switch-off point Decrease the switch-on point / switch-off point Let the flashing and lit LEDs move to the maximum setting value. Then the cycle starts again at the minimum setting value. Locking / Unlocking The unit can be electronically locked to prevent unwanted adjustment of the set parameters: Press both pushbuttons for 10s. Indication goes out briefly (acknowledgement of locking / unlocking). Units are deli- vered from the factory in the unlocked state.

Press the SET S-button* and keep it pressed until the requested switch point is displayed. As soon as the LED starts moving the switch point can be increased (incremental by pressing briefly or scrolling by holding pressed). After 5s the flashing LED moves from left to right.

OUT fter LED 9 has been reached the cycle starts again at LED 0. The LED which is constantly lit moves on by one position.**

OUT [bar]SET SENTER RSET RENTER S Press the ENTER S-button* briefly (acknowledgement). The set switch point becomes effective; the unit passes into the operating mode.

• SET R button to set the switch-off point ENTER R button to acknowledge the setting of the switch-off point The switch-on point (S) is always higher than the switch-off point (R). The unit does not accept values for R which are higher than S. **Overflow: If the flashing LED and the lit LED exceed the maximum setting value, the cycle starts again at the minimum setting value.ENGLISH

6. Commissioning / Operation

After mounting, wiring and setting check whether the unit operates correctly. Faults displayed during operation: All LEDs flashing in case of short-circuit.