IFM PN7094 Pressure Switch – PN-010-RER14-QFRKG/US/ /V

The IFM PN7094 is a digital pressure switch with ceramic-capacitive measuring cell designed for precise pressure and vacuum control in liquid and gas systems. Featuring a wide –1 to 10 bar range, the PN7094 provides dual configurable digital outputs, full IO-Link v1.1 support, and a robust, compact housing built for industrial durability. With fast < 3 ms switching response, high repeatability, and gold-plated M12 contacts, this sensor is ideal for machine automation and process control applications requiring reliable and responsive operation.

Technical Specifications

Model: PN7094
Manufacturer: IFM
Product Series: PN Series
Sensor Type: Relative pressure and vacuum switch
Measuring Range: –1…10 bar | –14.5…145 psi | –0.1…1 MPa

Process Connection

• G 1/4 internal thread
• Compatible with DIN EN ISO 1179-2 fittings

Electrical Characteristics

• Operating 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 Protection: Yes
• Integrated Watchdog: Yes
• Electrical Connection: M12 connector (A-coded, gold-plated contacts)

Output Configuration

• Total Outputs: 2
• Output Signal: Switching / IO-Link (configurable)
• Electrical Design: PNP/NPN
• Output Function: NO/NC parameterisable
• Voltage Drop: ≤ 2.5 V
• Max Current Rating:
  • 150 mA (default)
  • 200 mA ≤ 60°C
  • 250 mA ≤ 40°C
• Switching Frequency: < 170 Hz
• Short-Circuit / Overload Protection: Yes (pulsed)

Measuring & Setting Ranges

• SP Range (Standard): –0.9…10 bar
• RP Range (Standard): –0.95…9.95 bar
• SP/RP Step: 0.05 bar
• High Resolution Mode:
  • SP: –0.92…10 bar
  • RP: –0.97…9.95 bar
  • Step: 0.01 bar

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% of span (per 6 months)
• Temp. Coefficient (Zero/Span): < ±0.2% / 10 K (0…80°C)

Response Times

• Switching Response Time: < 3 ms
• Switch-On/Off Delay (dS, dr): 0…50 s programmable

Software & Programming

• Hysteresis / Window modes
• NO/NC switching
• Switch-on/off delay
• Damping
• Display scaling (bar, psi, MPa)

IO-Link Communication

• Interface Type: IO-Link v1.1
• Transmission Type: COM2 (38.4 kBaud)
• SDCI Standard: IEC 61131-9
• SIO Mode: Supported
• Min. Cycle Time: 2.3 ms
• Resolution: 0.01 bar | 0.001 MPa
• Master Port Type: A (B if pin 2 not connected)

Environmental Conditions

• Ambient Temperature: –25 to +80°C
• Storage Temperature: –40 to +100°C
• Medium Temperature: –25 to +80°C
• Protection Rating: IP65 / IP67
• MTTF: 260 years

Compliance & Certifications

• EMC:
  • DIN EN 61000-6-2
  • DIN EN 61000-6-3
• Shock Resistance:
  • DIN EN 60068-2-27: 50 g (11 ms)
• Vibration Resistance:
  • DIN EN 60068-2-6: 20 g (10–2000 Hz)
• UL Approval Number: J001
• Pressure Equipment Directive: Group 2 compliant (Group 1 on request)

Mechanical Design

• Weight: 241.7 g
• Dimensions: Ø 34 mm × 90.7 mm
• Housing Type: Cylindrical
• Housing Materials: Stainless steel (316L), PBT+PC-GF30, PC
• Wetted Materials: Stainless steel (316L), ceramics, FKM
• Tightening Torque: 25…35 Nm
• Pressure Cycle Durability: 100 million

Display & Diagnostics

• Display Unit: Alphanumeric, 4-digit (red/green)
• LED Indicators:
  • 3 × Green (bar, psi, MPa units)
  • 2 × Yellow (switching status)

Key Features & Benefits:

✅ Dual Output Configuration: Two independently configurable switching channels.

✅ Compact & Durable: IP67 housing with >100 million cycle life.

✅ High Accuracy Ceramic Cell: Stable and repeatable sensing over full range.

✅ Fast Response Time: < 3 ms for high-speed machine feedback.

✅ Smart IO-Link Integration: Remote diagnostics, parameterisation, and data access.

✅ Gold-Plated M12 Contacts: Ensure long-term signal reliability in harsh environments.

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