IFM PT24 Series Manual de usuario
Installation instructions
Electronic pressure sensor
for industrial applications
PT24xx
80279283 / 00 10 / 2018
UK
2
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
3
UK
• 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
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!
5
UK
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
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
L
1L+
2
BN
WH
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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