PN7071 IFM Pressure Sensor – PN-250-SER14-QFRKGUSV

The IFM PN7071 is a high-precision, rugged pressure sensor engineered for dynamic pressure monitoring in industrial automation and process control applications.
With a metallic thin-film measuring cell, dual digital outputs, and IO-Link v1.1 support, this model delivers superior accuracy, long-term reliability, and seamless integration with modern PLC systems.

Technical Specifications

Model: PN7071
Manufacturer: IFM
Product Series: PN Series
Sensor Type: Relative pressure sensor
Measuring Range: 0…250 bar | 0…3620 psi | 0…25 MPa

Process Connection

• G 1/4″ internal thread (threaded)
• Tightening Torque: 25…35 Nm

Electrical Characteristics

• Supply Voltage: 18–30 VDC (SELV/PELV)
• Current Consumption: < 35 mA
• Insulation Resistance: ≥100 MΩ (500 VDC)
• Protection Class: III
• Power-on Delay: < 0.3 s
• Reverse Polarity / Overload / Short-Circuit Protection: Yes (Pulsed)
• Electrical Connection: 1 × M12 connector (gold-plated contacts)

Output Configuration

• Number of Digital Outputs: 2
• Output Type: Switching signal / IO-Link (configurable)
• Output Signal: PNP or NPN (selectable)
• Output Function: NO/NC (parameterisable)
• Switching Frequency: < 170 Hz
• Voltage Drop (DC): ≤2.5 V
• Output Current Rating:
  • 150 mA (nominal)
  • 200 mA (≤60°C), 250 mA (≤40°C)

Accuracy & Repeatability

• Switch Point Accuracy: < ±0.5% of span
• Repeatability: < ±0.1%
• Characteristics Deviation: < ±0.25% (BFSL), < ±0.5% (LS)
• Hysteresis Deviation: < ±0.25%
• Long-Term Stability: < ±0.05% per 6 months
• Temperature Coefficient Zero/Span: 0.2% of span per 10 K (-25…80°C)

Response Times & Ranges

• Response Time: < 3 ms
• Delay Settings (dr, dS): 0–50 s (programmable)
• Factory Setting (CMPT = 2):
  • SP: 2…250 bar | 40…3620 psi | 0.2…25 MPa
  • RP: 1…249 bar | 20…3600 psi | 0.1…24.9 MPa
  • SP/RP Step Increments: 1 bar | 20 psi | 0.1 MPa
• Status_B High Res (CMPT = 3):
  • SP: 2…250 bar | 30…3626 psi | 0.2…25 MPa
  • RP: 1…249 bar | 12…3608 psi | 0.1…24.9 MPa
  • SP/RP Step Increments: 1 bar | 1 psi | 0.1 MPa

IO-Link Communication

• Interface Type: IO-Link v1.1
• Transmission Speed: COM2 (38.4 kBaud)
• Process Data: 1 analogue, 2 binary
• SDCI Standard: IEC 61131-9
• SIO Mode Support: Yes
• Required Port Type: A (B if pin 2 not used)
• Supported Device IDs: 400 (Factory), 308 (PN7001), 598 (Status_B)

Environmental Conditions

• Ambient Temperature: -25 to +80°C
• Storage Temperature: -40 to +100°C
• Enclosure Rating: IP65 / IP67
• Shock Resistance: 50 g (DIN EN 60068-2-27)
• Vibration Resistance: 20 g, 10–2000 Hz (DIN EN 60068-2-6)

Mechanical Design

• Body Material: Stainless steel (630/1.4542 & 316L/1.4404), PBT+PC-GF30, PC
• Wetted Parts: Stainless steel (630/1.4542)
• Measuring Element: Metallic thin-film cell
• Weight: 239.2 g
• Dimensions: Ø 34 mm × 90.7 mm
• Pressure Cycles (Min.): 100 million
• Bursting Pressure: 1100 bar
• Restrictor Element: Not integrated (retrofit possible)

Display & Diagnostics

• 4-digit Alphanumeric Display: Red/green
• Unit Indication LEDs: Green (bar/psi/MPa)
• Status LEDs: Yellow (switching outputs)

Compliance & Approvals

• MTTF: 214 years
• EMC Standards:
  • DIN EN 61000-6-2
  • DIN EN 61000-6-3
• UL Approval No.: J003
• PED: Sound engineering practice (Group 2 fluids; Group 1 on request)

Key Features & Benefits:

✅ Dual Output with IO-Link: Flexible configuration for both analog and digital communication.

✅ Metallic Thin-Film Cell: Resistant to aggressive media with superior thermal stability.

✅ Fast <3 ms Response Time: Ensures responsiveness in high-speed processes.

✅ High Resolution Control Options: Fine-tuned SP/RP settings ideal for precision applications.

✅ Durable Industrial Housing: IP67 sealed for challenging environments.

✅ Clear Multicolor Display: Easy-to-read diagnostics for immediate on-site status.

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