PP7551

PP7551 Pressure switch with ceramic measuring cell PP-250-SBG14-QFPKG/US/ 1 2 /V pressure relief mechanism No mechanical force must be exerted on the pressure relief mechanism. Sealing Product characteristics Number of inputs and outputs Number of digital outputs: 2 Measuring range 0...250 bar Process connection 0...3625 psi 0...25 MPa threaded connection G 1/4 external thread internal thread:M5 Application Application for industrial applications Media liquids and gases Conditionally suitable for Medium temperature use in gases at pressures > 25 bar only on request [°C] -25...90 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] 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 Power-on delay time yes [s] 0.3 Inputs / outputs Number of inputs and outputs Number of digital outputs: 2 Outputs Total number of outputs 2 ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — PP7551-01 — 13.04.2023 — PP7551 Pressure switch with ceramic measuring cell PP-250-SBG14-QFPKG/US/ /V 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] Permanent current rating of switching output DC [mA] Switching frequency DC [Hz] 2 250 170 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 SP1 = 63 bar rP1 = 58 bar SP2 = 188 bar rP2 = 183 bar OUT1 = Hno OUT2 = Hno Factory setting Accuracy / deviations Switch point accuracy [% of the span] Repeatability [% of the span] Characteristics deviation [% of the span] Hysteresis deviation [% of the span] Long-term stability [% of the span] < ± 0,5 < ± 0,1; (with temperature fluctuations < 10 K) < ± 0,25 (BFSL) / < ± 0,5 (LS); (BFSL = Best Fit Straight Line; LS = limit value setting) < ± 0,1 < ± 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 Damping process value dAP in steps [ms] [s]