IFM PP7523 Manual

IFM Ikke kategoriseret PP7523

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Operating instructions

Pressure sensor

PP75xx

11420289 / 00 11 / 2021

Contents

1 Preliminary note 3 ��

1�1 Symbols used 3 ��

2 Safety instructions 3 ��

3 Functions and features 4 ��

3�1 Application area 4 ��

4 Function ��5

4�1 Communication, parameter setting and evaluation 5 ��

4�2 Operating modes 6 ��

4�3 Pressure monitoring / switching functions 7 ��

4�4 Teach function 8 ��

5 Installation��9

6 Electrical connection 9 ��

7 Parameter setting 10 ��

7�1 Adjustable parameters 10 ��

7�2 Menu structure / display in PP2001 �� 11

7�3 General parameter setting 12 ��

7�4 Setting for operating mode 1 (2 switching outputs) 12 ��

7�5 Setting for operating mode 2

(switching output + teach input) 13 ��

7�6 Setting for operating mode 3

(switching output + diagnostic output) 13 ��

7�7 Setting for communication mode 14 ��

7�8 User settings (optional) 14 ��

7�9 Service functions 15 ��

7�10 Teach set point SP2 15 ��

8 Operation ��17

8�1 Operation indication by LEDs 17 ��

8�2 Fault indication 17 ��

8�3 Further technical data 18 ��

9 Factory setting 18 ��

1 Preliminary note

1.1 Symbols used

►Instructions

> Reaction, result

[…] Designation of keys, buttons or indications

→Cross-reference

Important note

Non-compliance may result in malfunction or interference�

Information

Supplementary note�

2 Safety instructions

• The device described is a subcomponent for integration into a system�

- The manufacturer is responsible for the safety of the system�

- The system manufacturer undertakes to perform a risk assessment and to

create documentation in accordance with legal and normative requirements

to be provided to the operator and user of the system� This 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 this document before setting up the product and keep it during the entire

service life�

• The product must be suitable for the corresponding applications and

environmental conditions without any restrictions�

• Only use the product for its intended purpose (→ Functions and features).

• Only use the product for permissible media (→ Technical data).

• If the operating instructions or the technical data are not adhered to, personal

injury and/or damage to property may occur�

• The manufacturer assumes no liability or warranty for any consequences

caused by tampering with the product or incorrect use by the operator�

• 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�

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

• High-pressure units (400 bar) are supplied with a pressure relief mechanism

and 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�

Any manipulation of the damping device is not permissible�

When the damping device is removed, there is no damping function

any more� ATTENTION: risk of injury!

For units with cULus approval this approval becomes invalid when the

damping device is removed�

3 Functions and features

The unit monitors the system pressure in a plant�

3.1 Application area

• The unit is suited for use in mobile vehicles�

• Type of pressure: relative pressure

Information on pressure rating and bursting pressure → data sheet.

Avoid static and dynamic overpressure exceeding the given overload

pressure by taking appropriate measures�

The indicated bursting pressure must not be exceeded�

Even if the bursting pressure is exceeded only for a short time, the unit

may be destroyed� NOTE: Risk of injury!

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

ifm�

Pressure Equipment Directive (PED):

The units comply with the Pressure Equipment Directive and are designed

and manufactured for group 2 fluids in accordance with the sound

engineering practice� Use of group 1 fluids on request!

4 Function

4.1 Communication, parameter setting and evaluation

• The unit generates output signals according to the parameter settings�

• It moreover provides the process data via IO-Link�

• The unit is laid out for fully bidirectional communication� So, the following

options are possible:

- Remote display: reading and display of the current system pressure�

- Remote evaluation: transfer of switching signals (only with PP2001)�

- Remote parameter setting: reading and changing current parameter settings

with PP2001, FDT service program ifm Container or via IO-Link�

- Using PP2001 and the FDT service program ifm Container, the current

parameter settings can be stored and transferred to other units of the same

type�

The program library of the available DTM objects can be found at

www�ifm�com�

For IO-Link parameter setting → IO-Device Description (IODD) at

www�ifm�com�

4.2 Operating modes

Pressure sensor with 2 switching outputs

2 limit values for pressure can be monitored�

Pin 4 = output 1, pin 2 = output 2�

Parameter setting

→ 7.4

Pressure sensor with one switching output and one teach input

One limit value for pressure can be monitored� The current

system pressure can be set as limit value at any time by a

teach signal�

Pin 4 = input for teach signal, pin 2 = switching output�

Parameter setting

→ 7.5

Teach operation→

7�10

Pressure sensor with one switching output and one diagnostic

output.

One limit value for pressure can be monitored�

In addition, a fault signal is provided on output 2: in case of a

fault, output 2 is inactive�

Pin 4 = switching output, pin 2 = output for diagnostic signal�

Parameter setting

→ 7.6

Communication mode

There are 2 options for bidirectional communication:

• Communication with ifm handheld programming unit PP2001�

• Communication with PC or controller via IO-Link� For communication with the PC,

the FDT service program ifm Container (order no� E30110) is available�

For communication mode, no parameter setting is necessary� Using pin 4 (data

channel), data can be read in and out at any time�

NOTE: voltage supply for communication mode: 18��32 V�

For the switching functions → 4.3

For the teach function → 4.4.

4.3 Pressure monitoring / switching functions

The unit compares the process value to the set limit values (set points)� The PNP

transistor output is switched when the limit values are exceeded or not reached�

The switching signal can switch a load or be evaluated by an IO card�

Each output can be configured separately:

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

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

First the set point is set, then the reset point with the requested difference�

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

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

The width of the window can be set by means of the difference between SP

and rP� SP = upper value, rP = lower value�

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1 2

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

4.4 Teach function

• Teach for hysteresis function:

During the teach operation, the current system pressure is taken as set point�

The set hysteresis remains constant: SP2 = system pressure, rP2 = system

pressure minus hysteresis. Carry out teach operation → 7.10.

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P = system pressure; Pakt = current system pressure; HY = hysteresis; T = time of teach

• Teach for window function:

During the teach operation the window is set so that the current system

pressure is in the middle of the window: SP2 = system pressure plus ½

window width; rP2 = system pressure minus ½ window width� Carry out teach

operation → 7.10.

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P = system pressure; Pakt = current system pressure; FE = window; T = time of teach

5 Installation

Before installing and removing the unit: Make sure that no pressure is

applied to the system�

►Insert the unit in a G¼ process connection�

►Tighten firmly� Recommended tightening torque: 25 Nm (max� 50 Nm)�

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 SELV, PELV�

►Disconnect power�

►Connect the unit as follows:

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Connection for teach operation

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Pin 1 Ub+

Pin 3 Ub-

Pin 2 (OUT2) • pnp switching signal: limit values for pressure�

• Diagnostic signal�

Pin 4

(OUT1/Data)

• pnp switching signal: limit values for pressure�

• Input for teach signal�

• Data channel for bidirectional communication�

7 Parameter setting

Parameters can be set before installation and set-up of the unit or during

operation�

If you change parameters during operation, the operating principle of the

plant will be influenced�

►Ensure that there will be no malfunctions in your plant�

• Parameter setting with PP2001 →operating instructions enclosed to PP2001.

• Parameter setting with FDT service program ifm Container: The program has an intuitive

graphical user interface�

• The program library of the available DTM objects can be found at www�ifm�com�

• For IO-Link parameter setting → IO-Device Description (IODD) at: www.ifm.com.

7.1 Adjustable parameters

SP1/rP1 Upper / lower limit value for system pressure at which OUT1 switches�

SP2/rP2 Upper / lower limit value for system pressure at which OUT2 switches�

OU1 Output function for OUT1:

- Switching signal for the limit values: hysteresis function or window function,

either normally open or normally closed�

- As an alternative: configure pin 4 as input for teach signal: [OU1] = [tch] �

OU2 Output function for OUT2:

- Switching signal for the limit values: hysteresis function or window function,

either normally open or normally closed�

- As an alternative: configure OUT2 as diagnostic output: [OU2] = [dESI]�

EF Extended functions / opening of menu level 2�

Uni Standard unit of measurement for system pressure�

HI Maximum value memory for system pressure�

LO Minimum value memory for system pressure (only for PP7554)�

dS1/dS2 Switch-on delay for OUT1 / OUT2�

dr1/dr2 Switch-off delay for OUT1 / OUT2�

dAP Measured value damping for filtering pressure peaks�

diS Update rate for the measured value display / orientation of the display of

PP2001�

TSP2 Triggers the teach function in the connected sensor�

Fnr Fault memory (shows the last fault occurred)�

rES Restore factory setting�

7.2 Menu structure / display in PP2001

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7.3 General parameter setting

• In case of parameter setting with the user interface of the ifm Container

program, the values can be directly entered in the specified fields�

• For IO-Link parameter setting → IO-Device Description (IODD) at

www�ifm�com�

• For parameter setting with PP2001: Confirm each entry of a parameter value

with [Mode/Enter]�

7.3.1 Open menu level 2

With PP2001:

►Select [EF]�

►Press [Set] briefly�

If menu level 2 is protected by an access code, "Cod1" flashes in the

display�

►Press [Set] and keep it pressed until the valid code no� is displayed�

►Press [Mode/Enter] briefly�

With the user interface of the program ifm Container:

►Activate the [EF] button�

If menu level 2 is protected by an access code, the input field for the

code no� is activated�

►Enter valid code no�

On delivery by ifm electronic: no access restriction�

7.4 Setting for operating mode 1 (2 switching outputs)

7.4.1 Setting of the output function

►Select [OU1] / [OU2] and set the function:

[Hno] = hysteresis function/normally open

[Hnc] = hysteresis function/normally closed

[Fno] = window function/normally open

[Fnc] = window function/normally closed

7.4.2 Setting of 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 off�

rPx is always smaller than SPx� The unit only accepts values which are

lower than the value for SPx�

7.5 Setting for operating mode 2

(switching output + teach input)

7.5.1 Configure pin 4 as teach input

►Select [OU1] and set the function [tch]�

7.5.2 Setting of the output function for the switching output

On delivery: [OU2] = [Hno] = hysteresis function/normally open�

If necessary, change the output function as follows:

►Select [OU2] and set the function:

[Hno] = hysteresis function/normally open

[Hnc] = hysteresis function/normally closed

[Fno] = window function/normally open

[Fnc] = window function/normally closed

7.5.3 Setting of the hysteresis / width of the window

On delivery: hysteresis / window = 2 % of the final value of the measuring range

If necessary, change it as follows:

► Select [rP2] and set the smallest possible value (→ 10.1 Setting ranges

for the set points / rP2 min)�

►Select [SP2] and set the following value: rP min plus requested

hysteresis / window width�

7.6 Setting for operating mode 3

(switching output + diagnostic output)

7.6.1 Setting of the output function for OUT 1

►Select [OU1] and set the function:

[Hno] = hysteresis function/normally open

[Hnc] = hysteresis function/normally closed

[Fno] = window function/normally open

[Fnc] = window function/normally closed

7.6.2 Setting of the switching limits

►Select [SP1] and set the value at which the output switches�

►Select [rP1] and set the value at which the output switches off�

rPx is always smaller than SPx� The unit only accepts values which are

lower than the value for SPx�

7.6.3 Configure OUT2 as diagnostic output

►Select [OU2] and set the function [dESI]�

7.9 Service functions

7.9.1 Reading of the min/max values for system pressure

►Select [HI] or [LO], briefly press [Set]�

[HI] = maximum value, [LO] = minimum value�

Erase the memory with PP2001:

►Select [HI] or [LO]�

►Select [Set] and keep it pressed until [----] is displayed�

►Press [Mode/Enter] briefly�

7.9.2 Reading of the fault number

With PP2001:

►Select [Fnr], briefly press [Set]�

> The number of the last fault occurred is displayed�

For the fault numbers → 8.2 Fault indication

With the user interface of the program ifm Container:

►Activate the button [Fnr]�

7.9.3 Reset of all parameters to factory setting

With PP2001:

►Select [rES], then press [Set] and keep it pressed until [----] is displayed�

►Press [Mode/Enter] briefly�

With the user interface of the program ifm Container:

►Activate the button [rES]�

For the factory settings please refer to the end of these instructions (→

11 Factory setting)� We recommend taking down your own settings in that

table before carrying out a reset�

7.10 Teach set point SP2

7.10.1 Teach with PP2001

►Establish the normal pressure in the plant (normal pressure = pressure at

which the unit is to switch)�

►Select [TSP2]�

►Press [Set] and keep it pressed�

> The current setting value for SP2 flashes for 5 s�

> After 5 s, the current system pressure (= new value for SP2) is displayed�

►Press [Mode/Enter] briefly�

> [SEND] is briefly displayed, then [DONE] and then the new setting value for

SP2�

If the teach operation was not successful, [Err] is displayed after [SEND]� The

setting for SP2 remains unchanged, the unit returns to the operating mode�

Produkt Specifikationer

Mærke:	IFM
Kategori:	Ikke kategoriseret
Model:	PP7523

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