PN7093 IFM Pressure Sensor – PN-025-RER14-QFEKGUSV

The IFM PN7093 pressure switch is a high-accuracy pressure sensor designed for versatile use with liquids and gases in industrial environments, featuring dual digital outputs, IO-Link capability, and a ceramic-capacitive measuring cell.
Built with a stainless steel housing and IP67 rating, it ensures robust operation, excellent EMC resistance, and fast response times for critical switching tasks.

Technical Specifications

Model: PN7093
Manufacturer: IFM
Product Series: PN Series
Sensor Type: Relative pressure sensor
Measuring Range: 0…25 bar | 0…362 psi | 0…2.5 MPa

Process Connection

• G 1/4″ internal thread
• 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 Signal: Switching signal / IO-Link (configurable)
• Electrical Design: PNP/NPN
• Output Function: NO/NC (parameterisable)
• Voltage Drop (DC): ≤2.5 V
• Output Current Rating:
  • 150 mA (nominal)
  • 200 mA (≤60°C), 250 mA (≤40°C)
• Switching Frequency: < 170 Hz

Accuracy & Repeatability

• Switch Point Accuracy: < ±0.5% of span
• Repeatability: < ±0.1% (ΔT < 10 K)
• Characteristics Deviation: < ±0.25% (BFSL), < ±0.5% (LS)
• Hysteresis Deviation: < ±0.25%
• Long-Term Stability: < ±0.05% per 6 months
• Temp Coeff. Zero/Span: < ±0.2% / 10 K (-0…80°C)

Response Times & Ranges

• Response Time: < 3 ms
• Delay Settings (dr, dS): 0–50 s
• Factory Setting (CMPT = 2):
• • SP: 0.2…25 bar | 4…362 psi | 0.02…2.5 MPa
  • RP: 0.1…24.9 bar | 2…360 psi | 0.01…2.49 MPa
  • SP/RP Increment: 0.1 bar | 2 psi | 0.01 MPa
• Status_B High Res (CMPT = 3):
  • SP: 0.2…25 bar | 3…363 psi | 0.02…2.5 MPa
  • RP: 0.1…24.9 bar | 1…361 psi | 0.01…2.49 MPa
  • SP/RP Increment: 0.1 bar | 1 psi | 0.01 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 connected)
• Supported Device IDs: 402 (Factory), 310 (PN7003), 600 (Status_B High Res)

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 (316L), PBT+PC-GF30, PBT-GF20, PC
• Wetted Parts: Stainless steel (316L), Ceramics, FKM
• Measuring Element: Ceramic-capacitive cell
• Weight: 235 g
• Dimensions: Ø 34 mm × 90.7 mm
• Pressure Cycles (Min.): 100 million
• Bursting Pressure: 350 bar
• Pressure Rating: 150 bar
• Vacuum Resistance: -1000 mbar
• Restrictor Element: Not integrated (retrofit possible)

Display & Diagnostics

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

Compliance & Approvals

• MTTF: 260 years
• EMC Standards:
  • DIN EN 61000-6-2
  • DIN EN 61000-6-3
• UL Approval No.: J001
• PED: Sound engineering practice (Group 2 fluids; Group 1 on request)

Key Features & Benefits:

✅ Dual PNP/NPN Outputs with IO-Link: Flexible integration into both modern and legacy control systems.

✅ Compact and Accurate: ±0.5% accuracy and fast <3 ms response time for real-time control.

✅ Resilient Ceramic Measuring Cell: Ideal for aggressive fluids and long-term stability.

✅ Configurable SP/RP Thresholds: Fine resolution for tailored pressure control.

✅ Robust Housing with IP67 Protection: Engineered for demanding industrial environments.

✅ Clear LED Indicators & Display: Immediate diagnostics with red/green readout and status LEDs.

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