IFM PN2071 | Pressure Sensor with Display

Product Overview

The IFM PN2071​ is a high-precision electronic pressure sensor featuring an integrated 4-digit alphanumeric display and multiple output options. This compact industrial sensor offers a measuring range of 0-250 bar (0-3625 psi, 0-25 MPa) with exceptional accuracy and long-term stability. Designed for demanding industrial applications, the PN2071 combines digital and analogue outputs with IO-Link communication capabilities, making it ideal for hydraulic systems, process control, and industrial automation environments.

Key Features

• Integrated Display​ - 4-digit alphanumeric display with red/green indication for real-time monitoring

• Multiple Output Options​ - 2 digital outputs (PNP/NPN configurable) + 1 analogue output (4-20 mA/0-10 V)

• IO-Link Communication​ - COM2 interface (38.4 kBaud) for digital communication and parameterization

• High Protection Rating​ - IP65 and IP67 protection for harsh industrial environments

• Wide Operating Temperature​ - -25°C to 80°C ambient temperature range

• Robust Construction​ - Stainless steel housing with gold-plated contacts

• High Accuracy​ - ±0.4% accuracy with excellent repeatability

Technical Specifications

Electrical Specifications

• Power Supply: 18-30V DC (Class 2 SELV/PELV)

• Current Consumption: < 35 mA

• Digital Outputs: 2 x PNP/NPN switching outputs (configurable NO/NC)

• Analogue Output: 4-20 mA or 0-10 V (scalable 1:5)

• Max Load Current: 250 mA per switching output

• Max Load Resistance: 500 Ω (analogue current), 2000 Ω (analogue voltage)

• Switching Frequency: < 500 Hz

• Reverse Polarity Protection: Yes

• Short-circuit Protection: Pulsed type with overload protection

• Insulation Resistance: > 100 MΩ (500V DC)

Performance Characteristics

• Switch Point Accuracy: < ±0.4% of span (turn down 1:1)

• Repeatability: < ±0.1% of span (with temperature fluctuations < 10K)

• Characteristics Deviation: < ±0.25% (BFSL) / < ±0.5% (LS)

• Long-term Stability: < ±0.05% of span per 6 months

• Temperature Coefficient Zero Point: 0.2% of span / 10K (-25°C to 80°C)

• Temperature Coefficient Span: 0.2% of span / 10K (-25°C to 80°C)

• Response Time: < 1.5 ms

• Delay Time Programmable: 0-50 seconds

• Damping Process Value: 0-4 seconds

• Max Response Time Analogue Output: 3 ms

Mechanical Specifications

• Housing Material: Stainless steel (630/1.4542/17-4 PH), PBT+PC-GF30, PBT-GF20, PC

• Wetted Parts: Stainless steel (630/1.4542/17-4 PH)

• Process Connection: G 1/4 internal thread

• Electrical Connection: M12 connector, A-coded, gold-plated contacts

• Tightening Torque: 25-35 Nm (recommended)

• Minimum Pressure Cycles: 100 million

• Shock Resistance: 50 g (11 ms, DIN EN 60068-2-27)

• Vibration Resistance: 20 g (10-2000 Hz, DIN EN 60068-2-6)

• MTTF: 129 years

Communication Interface

• IO-Link Version: 1.1

• Transmission Type: COM2 (38.4 kBaud)

• SDCI Standard: IEC 61131-9

• SIO Mode: Yes

• Minimum Process Cycle Time: 2.3 ms (Factory setting / CMPT = 2), 3 ms (Status_B High Resolution / CMPT = 3)

• IO-Link Resolution: 0.1 bar (Factory setting), 0.1 bar (High Resolution)

• Supported DeviceIDs: 460 (Factory setting), 639 (Status_B High Resolution)

• Profiles: Smart Sensor - SSP 0 Generic Profiled Sensor / SSP 3.1 Measuring Sensor Common - I&D

Display and Indicators

• Display Unit: 3 x LED, green (bar, psi, MPa)

• Switching Status: 2 x LED, yellow

• Measured Values: Alphanumeric display, red/green, 4-digit

• Display Functions: Real-time pressure reading, switching status, diagnostic information

• Parameterization: Easy configuration via menu structure

Applications

• Hydraulic Systems​ - Pressure monitoring and control in hydraulic circuits

• Pneumatic Applications​ - Air pressure regulation and switching

• Process Control​ - Industrial automation and equipment protection

• Machine Tools​ - Equipment monitoring and safety functions

• Water Treatment​ - Pump monitoring and system protection

• Chemical Processing​ - Pressure measurement in chemical applications

• Oil & Gas​ - Pressure monitoring in extraction and processing systems

Special Functions

• Switching Functions: Hysteresis function (normally open/closed), Window function (normally open/closed)

• Parameter Setting: Easy configuration via menu structure with electronic lock

• Diagnostic Functions: Read min/max values, overload processes, system diagnostics

• Damping Functions: Configurable damping for switching signal and analogue output

• Zero-point Calibration: Field calibration capability

• Factory Reset: Reset all parameters to factory setting

Environmental Compliance

• EMC Standards: DIN EN 61000-6-2, DIN EN 61000-6-3

• Ingress Protection: IP65 (dust tight), IP67 (dust tight and protected against immersion)

• Operating Temperature: -25°C to 80°C

• Storage Temperature: -40°C to 100°C

• UL Approval: UL approval no. J014

• Pressure Equipment Directive: Compliant for group 2 fluids; group 1 fluids on request

• MTTF: 129 years

Installation Requirements

• Power Supply: 18-30V DC, Class 2 SELV/PELV recommended

• Process Connection: G 1/4 internal thread with appropriate sealing

• Electrical Connection: M12 connector with A-coding

• Mounting: Ensure proper alignment and secure installation

• Calibration: Factory calibrated, may require field calibration for specific applications

Maintenance

• Regular Inspection: Check for physical damage and proper operation

• Calibration: Verify accuracy periodically for critical applications

• Cleaning: Keep process connection and electrical contacts clean

• Diagnostics: Use IO-Link interface for diagnostic information and troubleshooting