IFM

IFM PP7551 Pressure Sensors

Pressure switch with ceramic measuring cell

IFM PP7551 Pressure Sensors — datasheet, specifications, part number lookup & authentic sourcing

Get a Quote / Inquire

Request a Quote Chat via WhatsApp Email Us

Product Highlights

Robust design for use in harsh industrial environments
Two switching outputs, one of which can be configured as diagnostic output
High shock and vibration resistance
Lifespan of more than 100 million pressure cycles
User-friendly communication and parameterisation via IO-Link

Overview

Product designation	Electronic pressure sensor
Application	for industrial applicationsfor railway applications
Process connection	threaded connection G 1/4 external thread internal thread:M5
Operating voltage DC	9.6...36 V
Voltage type	DC
Electrical design	PNP
Total number of outputs	2
Output function	normally open / normally closed; (parameterisable)
Output signal	switching signal; IO-Link; (configurable)
Measuring range	0...250 bar0...3625 psi0...25 MPa
Connection	M12 Connector
Materials	stainless steel (304/1.4301); FKM; EPDM/X; PA
Materials (wetted parts)	stainless steel (303/1.4305); ceramics; FKM
Display	operation: 2 x LED green; switching status: 2 x LED yellow
Ambient temperature	-25...85 °C
Medium temperature	-25...90 °C
Communication interface	IO-Link
Brand	ifm electronic gmbh or equivalent
Type	PP7551

Specifications

Product characteristics
Number of inputs and outputs	Number of digital outputs: 2
Measuring range	0...250 bar 0...3625 psi 0...25 MPa
Process connection	threaded connection G 1/4 external thread internal thread:M5
Application
Application	for industrial applications; for railway applications
Media	liquids and gases
Conditionally suitable for	use in gases at pressures > 25 bar only on request
Medium temperature[°C]	-25...90
Min. burst pressure	850 bar 12300 psi 85 MPa
Pressure rating	400 bar 5800 psi 40 MPa
Type of pressure	relative pressure
Electrical data
Operating voltage[V]	9.6...36 DC; (communication mode: 18...32)
Current consumption[mA]	< 45
Min. insulation resistance[MΩ]	100; (500 V DC)
Protection class	III
Reverse polarity protection	yes
Power-on delay time[s]	0.3
Inputs / outputs
Number of inputs and outputs	Number of digital outputs: 2
Outputs
Total number of outputs	2
Output signal	switching signal; IO-Link; (configurable)
Electrical design	PNP
Number of digital outputs	2
Output function	normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC[V]	2
Permanent current rating of switching output DC[mA]	250
Switching frequency DC[Hz]	170
Short-circuit protection	yes
Type of short-circuit protection	pulsed
Overload protection	yes
Measuring/setting range
Measuring range	0...250 bar 0...3625 psi 0...25 MPa
Set point SP	2...250 bar 40...3620 psi 0.2...25 MPa
Reset point rP	1...249 bar 20...3600 psi 0.1...24.9 MPa
In steps of	1 bar 20 psi 0.1 MPa
Factory setting
SP1 = 63 bar rP1 = 58 bar
SP2 = 188 bar rP2 = 183 bar
Accuracy / deviations
Switch point accuracy[% of the span]	< ± 0,5
Repeatability[% of the span]	< ± 0,1; (with temperature fluctuations < 10 K)
Characteristics deviation[% of the span]	< ± 0,25 (BFSL) / < ± 0,5 (LS); (BFSL = Best Fit Straight Line; LS = limit value setting)
Zero-point stabilisation[% of the span]
switching output, display	1,0
Zero-point stabilisation[% of the span]
IO-Link	1,0; (see operating instructions zero-point behaviour)
Hysteresis deviation[% of the span]	< ± 0,1
Long-term stability[% of the span]	< ± 0,1; (per year)
Temperature coefficient zero point[% of the span / 10 K]	< ± 0,2; (0...80 °C)
Temperature coefficient span[% of the span / 10 K]	< ± 0,2; (0...80 °C)
Response times
Response time[ms]	< 3
Damping process value dAP in steps[s]	0,003 - 0,006 - 0,010 - 0,017 - 0,060 - 0,125 - 0,250 - 0,500
Interfaces
Communication interface	IO-Link
Transmission type	COM2 (38,4 kBaud)
IO-Link revision	1.0
SIO mode	yes
Required master port type	A
Process data analogue	1
Process data binary	2
Min. process cycle time[ms]	2.3
Supported DeviceIDs
Type of operation	DeviceID
default	3
Operating conditions
Ambient temperature[°C]	-25...85
Storage temperature[°C]	-40...100
Protection	IP 68; (7 days / 1 m water depth / 0.1 bar)
Tests / approvals
EMC
immunity	EN 61000-6-2
EN 61000-4-2 ESD	4 kV contact discharge / 15 kV air discharge
EN 61000-4-3 HF radiated	20 V/m
EN 61000-4-4 Burst	4 kV coupling clamp
EN 61000-4-5 Surge	0,5 kV supply / 1 kV signal for DC units
EN 61000-4-6 HF conducted	10 V
immunity	according to the automotive directive 1995/54/EC / 04/104EG / 05/83/EG
absorber chamber test to ISO 11452-2:	80 V/m
Shock resistance
DIN IEC 60068-2-27 / DIN IEC 60068-2-29	1000 g
DIN EN 61373	category 3
Vibration resistance
DIN IEC 68-2-6	20 g (10...2000 Hz)
DIN EN 60068-2-64	14 g
DIN EN 61373	category 2
MTTF[years]	308
UL approval
UL approval no.	J010
Pressure Equipment Directive	Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request
Railway applications
DIN EN 50155	Klasse T3, C1, S1
Mechanical data
Weight[g]	227.5
Housing	cylindrical
Dimensions[mm]	Ø 30 / L = 79.5
Materials	stainless steel (304/1.4301); FKM; EPDM/X; PA
Materials (wetted parts)	stainless steel (303/1.4305); ceramics; FKM
Min. pressure cycles	100 million
Process connection	threaded connection G 1/4 external thread internal thread:M5
Restrictor element integrated	no (can be retrofitted)
Displays / operating elements
Display
operation	2 x LED, green
switching status	2 x LED, yellow
Teach function	yes
Remarks
Pack quantity	1 pcs.
Electrical connection
Connector	1 x M12; coding: A; Contacts: 4

Downloads

PP7551 (246 KB)