IFM PT24 Series Manual de usuario

Installation instructions

Electronic pressure sensor

for industrial applications

PT24xx

80279283 / 00 10 / 2018

1 Preliminary note

Symbols used

►Instructions

→Cross-reference

Important note

Non-compliance can result in malfunction or interference.

Information

Supplementary note.

2 Safety instructions

• 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.

Contents

1 Preliminary note...................................................................................................2

2 Safety instructions ...............................................................................................2

3 Functions and features ........................................................................................3

3.1 Applications ...................................................................................................3

4 Functions .............................................................................................................4

5 Installation............................................................................................................4

6 Electrical connection............................................................................................4

7 Technical data and scale drawing........................................................................5

• Installation, electrical connection, set-up, operation and maintenance of the unit

must be carried out by qualified personnel authorised by the machine operator.

• Protect units and cables against damage.

3 Functions and features

The pressure sensor detects the system pressure and converts it into an analogue

output signal.

3.1 Applications

• Type of pressure: relative pressure

Order number Measuring range

Static pressure

resistance (max.

permissible pressure)

Bursting

pressure

psi psi psi

PT2415 0...100 250 2900

PT2424 0...200 580 6525

PT2494 -14,5...200 580 6525

PT2434 0...300 940 8700

PT2443 0...500 1450 11600

PT2402 0...1000 2500 13050

PT2432 0...3000 7250 14500

PT2400 0...5000 14500 24650

Avoid overload pressure exceeding the specified maximum permissible

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.

ATTENTION: Risk of injury!

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!

The units are vacuum resistant.

4 Functions

Current output 4...20 mA (PT24xx)













P = system pressure, MEW = final value of the measuring range

In the measuring range the output signal is between 4 and 20 mA.

If the system pressure is above or below the measuring range, the analogue output

behaves, without achieving the accuracy, as follows:

• System pressure above the measuring range: 20...25 mA.

• System pressure below the measuring range: 4...3 mA.

5 Installation

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

applied to the system.

►Insert the unit in a ¼-18 NPT process connection.

►Tighten firmly. Recommended tightening torque: max. 50 Nm.

Depends on lubrication, seal and pressure load!

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 EN 50178, SELV, PELV.

For marine applications (if approval available for the device), additional

surge protection is required.

►Disconnect power.

►Connect the unit as follows:

PT24xx (4...20 mA analogue)

Core colours

Original Scale Drawing (MTD)

EPS Source

Frame Size: 15 mm x 15 mm

PIN_0180

2 1

L+

BN1

WH2 OUT

BN brown

WH white

OUT: analogue output 4...20 mA

Colours to DIN EN 60947-5-2

Example circuit

1L+

7 Technical data and scale drawing

Further technical data and scale drawing at www.ifm.com .

More information at www.ifm.com

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