IFM Electronic PN50 Series Bedienungsanleitung

Operating instructions

Pressure sensor

PN50xx

704789 / 00 05 / 2010

Contents

1 Preliminary note��3

1�1 Symbols used ��3

2 Safety instructions ��3

3 Functions and features ��4

4 Function��5

4�1 Processing of the measured signals��5

4�2 Switching function��5

5 Installation��6

6 Electrical connection��6

7 Operating and display elements ��7

8 Menu��8

8�1 Menu structure ��8

8�2 Explanation of the menu��9

9 Parameter setting ��10

9�1 Parameter setting general ��10

9�2 Configuring the display (optional) ��12

9�3 Setting the output signal ��12

9�3�1 Setting the output function ��12

9�3�2 Setting the switching limits ��12

9�4 User settings (optional)��12

9�4�1 Setting the delay time for OUT1 ��12

9�4�2 Setting the damping for OUT1��12

9�5 Service functions ��13

9�5�1 Reading the min�/max� values for the system pressure��13

10 Operation��13

10�1 Read the set parameter values ��13

10�2 Fault indication ��13

11 Scale drawing ��14

12 Technical data��14

12�1 Setting ranges ��16

13 Factory setting ��17

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

• Read this document before installing the unit. Ensure that the product is suita-

ble for your application without any restrictions.

• Non-adherence to the operating instructions or technical data can lead to

personal injury and/or damage to property.

• In all applications check compliance of the product materials (→chapter 12

Technical data) with the media to be measured.

• Use in gases at pressures > 25 bar only after contacting the manufacturer ifm.

For units with cULus approval and the scope of validity cULus:

The device shall be supplied from an isolating transformer having a secondary

Listed fuse rated as noted in the following table.

Overcurrent protection

Control-circuit wire size Maximum protective device rating

Ampere

AWG (mm2)

26 (0.13) 1

24 (0.20) 2

22 (0.32) 3

20 (0.52) 5

18 (0.82) 7

16 (1.3) 10

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 of machines and installations.

Applications

Type of pressure: relative pressure

Order no. Measuring range Permissible

overload pressure Bursting pressure

bar PSI bar PSI bar PSI

PN5000 0...400 0...5 800 600 8 700 1 000 14 500

PN5001 0...250 0...3 625 400 5 800 850 12 300

PN5002 0...100 0...1 450 300 4 350 650 9 400

PN5003 0...25 0...363 150 2 175 350 5 075

PN5004 -1...10 -14.5...145 75 1 087 150 2 175

PN5006 0...2.5 0...36.3 20 290 50 725

PN5007 0...1 0...14.5 10 145 30 450

MPa = bar ÷ 10 / kPa = bar × 100

Static and dynamic overpressures exceeding the indicated overload pres-

sure are to be avoided by taking appropriate measures.

The indicated bursting pressure must not be exceeded. Even if the bur-

sting pressure is exceeded only for a short time, the unit can be destroyed.

NOTE: Risk of injury!

Use in gases at pressures > 25 bar only after contacting the manufacturer

ifm.

High-pressure units (400 bar) are supplied with an integrated damping device to

comply with the regulations for UL approval and to avoid any risk of injury in case

of bursting when bursting pressure is exceeded.

• When the damping device is removed the damping device can become unus-

able.

• When the damping device is removed the unit can no longer be used under UL

conditions,

If you have any questions, please contact ifm electronic’s sales specialists.

Function4

Processing of the measured signals4.1

The unit shows the current system pressure on its display�•

It generates 1 output signal according to the parameter setting�•

OUT1 switching signal for pressure limit values

Switching function4.2

OUT1 changes its switching state if it is above or below the set switching limits

(SP1, rP1)� The following switching functions can be selected:

Hysteresisfunction/normallyopen:[OU1]=[Hno](→fig.1).•

Hysteresisfunction/normallyclosed:[OU1]=[Hnc](→fig.1).•

First the set point (SP1) is set, then the reset point (rP1) at the requested distance�

Windowfunction/normallyopen:[OU1]=[Fno](→fig.2).•

Windowfunction/normallyclosed:[OU1]=[Fnc](→fig.2).•

The width of the window can be set by means of the distance between SP1 and

rP1� SP1 = maximum value, rP1 = minimum value�













































1 2

P = system pressure; HY = hysteresis; FE = window

5 Installation

Before mounting and removing the sensor, make sure that no pressure is

applied to the system.

►Insert the unit in a G¼ process connection.

►Tighten firmly.

6 Electrical connection

The unit must be connected by a qualified electrician.

The national and international regulations for the installation of electrical

equipment must be adhered to.

Voltage supply to EN50178, SELV, PELV.

►Disconnect power.

►Connect the unit as follows:

3BU

Pin 1 Ub+

Pin 3 Ub-

Pin 4 switching output for pressure monitoring

Pin 2 not connected

Core colours of ifm sockets:

1 = BN (brown), 3 = BU (blue), 4 = BK (black).

Operating and display elements7







 

      

1 to 8: Indicator LEDs

LED 1 to LED 4 = system pressure in unit of measurement as indicated on the label�-

LED 4 not used for units with 3 adjustable units of measurement�-

LEDs 5 to 7 not used�-

LED 8 = switching state of the output�-

9: Alphanumeric display, 4 digits

Indication of the current system pressure�-

Indication of the parameters and parameter values�-

10: Set pushbutton

Setting of the parameter values (scrolling by holding pressed, incremental by pressing-

briefly)�

11: Mode/Enter pushbutton

Selection of the parameters and acknowledgement of the parameter values�-

Menu8

Menu structure8.1















































Explanation of the menu8.2

SP1/rP1 Maximum / minimum value for system pressure, at which output 1 changes

its switching status�

OU1 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�

EF Extended functions / Opening menu level 2�

Uni Standard unit of measurement for the system pressure�

HI Maximum value memory for the system pressure�

LO Minimum value memory for the system pressure (only PN5004)�

dS1 Switch-on delay for für OUT1�

dr1 Reset delay für OUT1�

dAP Damping for OUT1�

diS Update rate and orientation of the display�

Parameter setting9

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�

Parameter setting general9.1

Each parameter setting requires 3 steps:

1Selecting parameter

Press [Mode/Enter] until the reque-►

sted parameter is displayed�

 

2Setting the parameter value

Press [Set] and keep the buton►

pressed�

Current setting value of the parame->

ter bit flashes for 5 s�

After 5 s: Setting value is changed:>

incremental by pressing briefly or

scrolling by holding pressed�

 

The numerical values are incremented continuously� If the value is to be reduced: Let

the display move to the maximum setting value� Then the cycle starts again at the

minimum setting value�

3Acknowledge parameter value

Press [Mode/Enter] briefly�►

The parameter is displayed again�>

The new setting value is stored�

 

Set more parameters:

Start again with step 1�►

Finishing parameter setting:

Press [Mode/Enter] several times until the current measured value is displayed or wait►

for 15 s�

The unit returns to the operating mode�>

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