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PY9291 - Pressure sensor with display

PY9291 - Pressure sensor with display

PRODUCENT CODE: PY9291
CATEGORY: Type PN / PE with digital display
Producer: ifm electronic
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Description
PN-250-SBR14-QFRKG/US/ /V
  • Two switching outputs, one of which can be configured as diagnostic output
  • With long-term stability thanks to high overload protection
  • Lifespan of more than 100 million pressure cycles
  • Clearly visible 4-digit LED display
  • Diagnostic output to DESINA specification
Technical data
Product characteristics
Output signal switching signal
Measuring range
0...250 bar 0...3625 psi 0...25 MPa
Process connection threaded connection G 1/4 internal thread
Application
Special feature Gold-plated contacts
Media liquids and gases
Conditionally suitable for For gaseous media the application is limited to max. 25 bar.
Medium temperature [°C] -25...80
Min. bursting 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] 18...36 DC; (according to EN 50178 SELV/PELV)
Current consumption [mA] < 50
Min. insulation resistance [MΩ] 100; (500 V DC)
Protection class III
Reverse polarity protection yes
Overvoltage protection yes; (< 40 V)
Power-on delay time [s] 0.3
Integrated watchdog yes
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 2
Outputs
Total number of outputs 2
Output signal switching signal
Electrical design PNP/NPN
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
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
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] < ± 0,5; (linearity, incl. hysteresis and repeatability , limit value setting to DIN EN IEC 62828-1)
Hysteresis deviation [% of the span] < ± 0,25
Long-term stability [% of the span] < ± 0,05; (per 6 months)
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
Delay time programmable dS, dr [s] 0; 0,2...50
Software / programming
Parameter setting options hysteresis / window; normally open / normally closed; diagnostic function; switching logic; switch-on/switch-off delay; Damping; Display unit
Operating conditions
Ambient temperature [°C] -20...80
Storage temperature [°C] -40...100
Protection IP 67
Tests / approvals
EMC
EN 61000-4-2 ESD 4 kV CD / 8 kV AD
EN 61000-4-3 HF radiated 10 V/m
EN 61000-4-4 Burst 2 kV
EN 61000-4-5 Surge 0,5/1 kV
EN 61000-4-6 HF conducted 10 V
Shock resistance
DIN IEC 68-2-27 50 g (11 ms)
Vibration resistance
DIN IEC 68-2-6 20 g (10...2000 Hz)
MTTF [years] 219
Pressure Equipment Directive Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request
Mechanical data
Weight [g] 261
Materials stainless steel (1.4301 / 304); stainless steel (1.4404 / 316L); PC; PBT; PEI; FKM
Materials (wetted parts) stainless steel (1.4305 / 303); ceramics; FKM
Min. pressure cycles 100 million
Process connection threaded connection G 1/4 internal thread
Restrictor element integrated no (can be retrofitted)
Displays / operating elements
Display
Display unit 3 x LED, green
switching status 2 x LED, yellow
function display alphanumeric display, 4-digit
measured values alphanumeric display, 4-digit
Remarks
Pack quantity 1 pcs.
Electrical connection