PN3094 ifm Pressure Sensor with Display | Smart IO-Link Process Monitoring

Manufacturer: IFM
Product No.: PN3094
Condition： In stock
Product Type: Pressure Sensor
Product Origin: USA
Payment: T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Quantity

Selected quantity: 1

Estimate delivery times: 12-26 days (International), 3-6 days (United States).

Return within 30 days of purchase. Duties & taxes are non-refundable.

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PN3094 ifm PN Series Electronic Pressure Sensor with Display

The ifm PN3094 is an electronic pressure sensor with a red/green display and a ceramic-capacitive measuring cell for liquid and gas applications. Its −1 to 10 bar relative-pressure range supports pressure and vacuum monitoring in industrial equipment.

The sensor combines local pressure indication, a configurable PNP switching output, an analog output, and an integrated IO-Link interface. Engineers can use these functions for local threshold monitoring, controller-based process feedback, and digital parameter access through a compatible IO-Link master.

Ordering reference: PN3094
Associated order code supplied: PN-010-RER14-MFRKG/US/ /V
Product family: ifm PN pressure sensor with display

01 | Instrument Profile — Measurement, Switching, Communication

Function	Specification	Engineering Significance
Measuring principle	Ceramic-capacitive measuring cell	Provides pressure measurement for compatible liquid and gas media.
Measuring range	−1 to 10 bar; −0.1 to 1 MPa; approximately −14.5 to 145 psi	Covers vacuum and positive relative-pressure monitoring within the specified range.
Pressure reference	Relative pressure and vacuum	Confirm that the application requires gauge pressure rather than absolute pressure.
Process media	Liquids and gases	Verify compatibility with the medium, wetted materials, and process temperature.
Display	Four-digit red/green alphanumeric display, green LED bar, yellow switching-status LED	Supports local reading of process values and visual identification of switching status.
Switching output	1 × PNP, NO/NC parameterizable	Supports threshold-based control or alarm signaling when connected to compatible inputs.
Analog output	4–20 mA or 0–10 V, according to configuration	Provides a process-value signal for compatible PLC analog inputs or control equipment.
Digital communication	IO-Link 1.1; SIO mode supported	Enables digital parameter access and process-data exchange with a compatible IO-Link master.
Process connection	G 1/4 internal thread, M6 I as specified	Check the mating interface and the exact connection drawing before installation.
Electrical connection	1 × M12 A-coded, 4-pin connector with gold-plated contacts	Confirm pin assignment, cable compatibility, and the intended output mode.

02 | Pressure Range and Mechanical Limits

Parameter	Published Value	Selection Guidance
Measuring range	−1 to 10 bar	Select a range that covers normal operation and expected process transients.
Pressure rating	75 bar (7.5 MPa)	Confirm the pressure rating against the process connection and system design.
Minimum burst pressure	150 bar (15 MPa)	This is a burst limit, not an allowable operating pressure.
Vacuum resistance	−1000 mbar	Check the expected vacuum level and transient conditions.
Recommended tightening torque	25–35 Nm	Follow the manufacturer's connection and installation instructions.
Housing diameter	34 mm	Allow clearance for installation and visibility of the display.
Overall length	90.7 mm	Check the available space around the process port and connector.
Weight	235.5 g	Consider mounting support where vibration or mechanical loading is present.

Pressure-selection note: The measuring range, rated pressure, and burst pressure describe different limits. Normal operation must remain within the applicable operating limits, even though the stated burst pressure is much higher.

03 | Output Signal Architecture

The sensor offers local indication, switching control, and analog or digital communication paths. Select the signal path according to the controller hardware and the process-control objective.

Signal Path	Specified Capability	Typical Use
Local display	Four-digit red/green display with LED indicators	On-site pressure checks during commissioning and maintenance.
PNP switching output	One output, NO/NC parameterizable	Pressure threshold indication, interlocking, or alarm input to a compatible controller.
4–20 mA analog signal	0 bar = 4 mA; 10 bar = 20 mA; maximum load 500 Ω	Continuous pressure feedback to a compatible analog input.
0–10 V analog signal	Minimum load resistance 2000 Ω	Voltage-based process feedback where the receiving input supports the signal range.
IO-Link	Revision 1.1, COM2 at 38.4 kBaud; SIO mode supported	Digital process-data exchange and parameter management through a compatible master.

The listed analog alternatives should not be interpreted as proof that 4–20 mA and 0–10 V are available simultaneously. Confirm the selected output configuration and wiring requirements in the applicable ifm documentation.

04 | Control Settings and Measurement Performance

Parameter	Specification	Practical Implication
Switch point SP	−0.9 to 10 bar	Sets the threshold for the selected switching function.
Reset point rP	−0.95 to 9.95 bar	Defines the return threshold and helps establish switching hysteresis.
Minimum SP/rP difference	0.05 bar	Provides a minimum separation between switching and reset thresholds in the standard setting.
Setting increment	0.05 bar in CMPT=2; 0.01 bar in CMPT=3 high-resolution mode	Check the configured mode before planning fine threshold adjustments.
Switch point accuracy	Less than ±0.5% of span	Relevant when defining alarm margins around the process limit.
Repeatability	Less than 0.1% of span	Supports evaluation of consistency across repeated pressure cycles.
Characteristic deviation	Less than ±0.25% BFSL	Use the stated linearity-related specification when reviewing measurement performance.
Long-term stability	Less than ±0.05% of span per 6 months	Consider the specified stability when planning verification intervals.
Response time	Less than 3 ms	Suitable for fast pressure changes within the sensor's operating limits and configuration.
Switch-on delay	Less than 0.3 s	Allow for startup before evaluating the process reading or output state.
Programmable delay	dS/dr: 0–50 s	Can help suppress unwanted switching caused by brief process fluctuations.
Process-value damping	0–4 s	Adjust only as needed; excessive damping can obscure rapid pressure changes.

05 | IO-Link and Electrical Integration

Supply voltage: 18–30 V DC, nominal, supplied from a SELV/PELV-compliant source.
Current consumption: Typically less than 35 mA.
Communication: IO-Link revision 1.1, COM2 at 38.4 kBaud, with SIO mode supported.
Master interface: Type A IO-Link master port, as specified.
Device ID: 431 for CMPT=2; 615 for CMPT=3 high-resolution mode.
Minimum process cycle: 2.3 ms; 3 ms in CMPT=3 mode, according to the supplied specifications.
Digital output voltage drop: Maximum 2.5 V DC.
Switching frequency: Less than 170 Hz.
Protection features: Reverse-polarity protection and integrated watchdog.
Insulation resistance: Minimum 100 MΩ at 500 V DC.
Protection class: III.

When using IO-Link, verify the master port configuration, device identification, process-data mapping, and parameterization method. The sensor has an integrated IO-Link interface; no separate communication expansion is specified.

06 | Materials and Operating Environment

Item	Specification	Engineering Check
Housing materials	Stainless steel 316L/1.4404, PBT+PC-GF30, PBT-GF20, PC	Review the complete assembly material list against the installation environment.
Wetted materials	316L stainless steel, Al2O3 ceramic, FKM	Confirm compatibility with the process medium and cleaning chemicals.
Operating temperature	−25°C to 80°C for ambient and medium, as supplied	Keep both ambient and medium conditions within the applicable limits.
Storage temperature	−40°C to 100°C	Observe storage conditions before installation.
Ingress protection	IP65 and IP67	Confirm that the connector, mating cable, and installation preserve the required protection.
Shock resistance	50 g, 11 ms, DIN EN 60068-2-27	Consider shock exposure during machinery operation and installation.
Vibration resistance	20 g, 10–2000 Hz, DIN EN 60068-2-6	Verify that mounting and cable support suit the actual vibration environment.
Relative humidity	No specific %RH value listed in the supplied technical data	Consult the manufacturer's documentation if a defined humidity limit is required.

07 | Application Fit — Equipment and Process Scenarios

Equipment	Potential Application	Selection Considerations
Pump skids	Monitoring suction or discharge pressure within the sensor's range	Check pressure transients, process connection, medium compatibility, and output type.
Hydraulic auxiliary circuits	Pressure feedback and threshold monitoring in compatible low-range applications	Confirm the maximum normal and transient pressure remains within the rated limits.
Pneumatic systems	Monitoring vacuum or positive relative pressure	Verify pressure range, switching thresholds, and response requirements.
Liquid handling equipment	Pressure monitoring in compatible process lines	Check fluid compatibility with 316L, ceramic, and FKM wetted materials.
Industrial filling and dosing equipment	Pressure threshold detection and process feedback	Evaluate dynamic pressure changes and set appropriate switching delays.
Automated test benches	Local pressure indication and controller-based monitoring	Confirm accuracy requirements, calibration practices, and signal interface.
PLC and IO-Link installations	Digital pressure data and configurable sensor parameters	Confirm master compatibility, device ID, process-data mapping, and required analog or SIO operation.

These scenarios describe potential uses based on the supplied measurement range and interfaces. Final suitability depends on actual pressure transients, process media, control-system compatibility, and installation conditions.

08 | Commissioning and Field Diagnostic Matrix

Symptom	Possible Cause	Recommended Diagnostic Action
Display remains blank	Supply voltage absent, incorrect wiring, connector issue, or sensor fault	Measure supply voltage at the connector, verify pin assignment, inspect the mating cable, and check startup behavior.
Displayed pressure differs from the reference gauge	Different pressure reference, incorrect range interpretation, process pulsation, or measurement offset	Confirm both devices measure the same pressure reference. Compare readings under stable conditions and follow the manufacturer's verification procedure.
PNP output does not change state	SP/rP settings, NO/NC configuration, wiring, load, or output mode mismatch	Review switching thresholds and output configuration. Check the receiving input and verify the output circuit against the wiring diagram.
PLC analog value is incorrect	Incorrect output selection, input scaling, common reference, or excessive load	Confirm whether the sensor uses 4–20 mA or 0–10 V. Verify PLC channel settings, scaling, wiring, and load limits.
IO-Link master does not identify the sensor	Port mode, pin wiring, master compatibility, or device configuration issue	Check the master port settings, A-coded 4-pin connection, IO-Link revision support, and expected Device ID for the configured CMPT mode.
Output switches repeatedly near a threshold	Insufficient hysteresis, pressure pulsation, or unsuitable delay settings	Review SP and rP separation, examine the process trend, and adjust delay only when consistent with the process response requirements.
Pressure response appears slow	Configured damping, process-line restrictions, pressure pulsation, or upstream system behavior	Review the damping setting and compare the sensor reading with an independent reference under controlled conditions.
Reading drifts over time	Temperature changes, process conditions, installation stress, or sensor performance drift	Record readings against a suitable reference, check operating temperature, and follow the recommended calibration or verification procedure.

Diagnostic note: Distinguish sensor measurement problems from signal transmission and PLC scaling problems. Check the local display first, then compare the configured output, electrical signal, and controller reading to isolate the fault.

09 | Global PLC Spare HUB's Insight

The ifm PN3094 combines a local display with switching, analog, and IO-Link interfaces. For engineers, the main selection decision is how the pressure value will be used: a local indication, a discrete threshold, a continuous PLC input, or digital process data.

For PLC retrofits: Confirm whether the existing input expects PNP switching, 4–20 mA, 0–10 V, or IO-Link. Check the exact configured output before changing wiring.
For pressure and vacuum applications: Confirm that the negative-pressure range meets the actual process requirement and that the system uses relative pressure rather than absolute pressure.
For process compatibility: Review the wetted materials, including 316L stainless steel, Al2O3 ceramic, and FKM, against the medium and cleaning conditions.
For threshold stability: Choose SP/rP settings based on normal process variation. Use delays and damping carefully so that noise is reduced without masking a meaningful pressure event.
For digital integration: Verify the IO-Link master, Device ID, process-data mapping, and CMPT configuration before commissioning.

This selection guidance is based on the supplied specifications. Confirm the exact order code and configured signal options against the applicable ifm documentation before replacing or commissioning the device.

10 | Global PLC Spare HUB Review

The PN3094 is a pressure-monitoring option for applications requiring a readable local display and multiple control-system interface choices. Its ceramic-capacitive measuring cell, −1 to 10 bar range, parameterizable PNP output, and IO-Link 1.1 interface support several common industrial monitoring architectures.

Before ordering, verify the process connection, wetted-material compatibility, selected analog output, switching configuration, and IO-Link master requirements. For replacement projects, comparing the complete order code and wiring arrangement helps reduce commissioning errors.

11 | Warranty and Shipping

Warranty: 12-month warranty, subject to the applicable seller warranty terms.
Shipping options: FedEx, UPS, and DHL, subject to destination and service availability.
Order verification: Provide the PN3094 model, complete order code, required quantity, and target equipment details for compatibility review.
Quotation support: Contact Global PLC Spare HUB for current pricing, availability, and order information.

12 | Frequently Asked Questions

Q1: Should I select IO-Link or a conventional analog signal for a PN3094 installation?

A: Choose according to the receiving controller and maintenance requirements. A 4–20 mA or 0–10 V output suits compatible analog inputs, while IO-Link supports digital process-data exchange and parameter access through a compatible master. Confirm the configured output and required PLC hardware before ordering.

Q2: Why can two pressure instruments show different values when connected to the same process?

A: Check whether both instruments measure relative or absolute pressure, and compare their ranges, response settings, installation points, and calibration status. Pressure pulsation or a restricted impulse path can also cause differences. Compare readings under stable conditions before changing the sensor settings.

Q3: How should I set SP and rP to prevent unnecessary switching?

A: Base the switch and reset thresholds on the normal operating range and the process's expected fluctuations. Maintain the specified minimum SP/rP separation, then assess whether a delay is appropriate. Do not add excessive damping or delay where a rapid pressure event requires a timely response.

Q4: What should I verify before installing this sensor in a liquid line?

A: Confirm the operating and transient pressure, the G 1/4 connection, recommended tightening torque, process temperature, and compatibility of the medium with 316L stainless steel, Al2O3 ceramic, and FKM. Check that the installation does not exceed the rated pressure and that the connector maintains the required ingress protection.

Q5: What information should I provide to confirm the correct PN3094 replacement?

A: Provide the model and full order code, the existing output type, supply voltage, process connection, pressure range, and PLC or IO-Link master details. If the current unit has failed, include its displayed value, output behavior, and any controller diagnostic information. This helps distinguish a model mismatch from a wiring or configuration issue.

Request a Quote for PN3094

Looking for the ifm PN3094 pressure sensor with display? Contact Global PLC Spare HUB with the complete order code, quantity, and application details to request pricing, availability, and compatibility support.

12-Month Comprehensive Warranty

Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.

Coverage: Functional defects and hardware failures under normal operating conditions.
Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.

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We offer a 30-day return policy to ensure you receive the exact part your system requires.

Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.

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