IFM Yifumen pressure sensor PY2007 output mode analog quantity

IFM Yifumen pressure sensor PY2007 output mode analog quantity

Here are theirAnalog outputDetailed analysis of relevant technical parameters:

1. Analog output parameters

2. Measurement range and accuracy

Electrical and mechanical characteristics

Core Features and Applicable Scenarios

• Sanitary DesignFlat installation, no Si angle, low surface roughness (Ra 0.4), easy to clean, in compliance with hygiene standards in the food and beverage industry.

  
  

• high protectionIP69K protection level, able to resist high-pressure cleaning and steam sterilization.

  
  

• IO Link communicationSupports IO Link communication (COM2, 38.4 kBaud) for remote configuration and diagnosis.

  
  

• Applicable MediumViscous media, liquids containing particulate matter, liquids, and gases.

  
  

5. Wiring reference (analog output)

• Brown line (Br)Positive pole of power supply (+24V)

  
  

• Blue line (Bu)Negative pole of power supply (0V/GND)

  
  

• Black line (Bk)：Analog output(4-20mA)
  The output signal of PY2007 is an analog signal; (configurable) ', analog output quantity is 1, analog current output is 4... 20mA (adjustable range)
  The output mode of the IFM pressure sensor model PY2007 is as follows:
  Core output mode: Analog output
  Output signal: Analog signal (configurable).
  Number of analog outputs: 1 channel.
  Specific analog type: 4-20 mA current output, with adjustable range.
  Additional information:
  Connection method: Supports two-wire or three wire connections.
  Communication interface: In addition to analog output, this model usually integrates IO Link communication interface (version 1.1), which can be used for parameter setting, diagnosis, and data transmission.
  Main application: The sensor adopts a hygienic flush design, stainless steel shell, and is suitable for high-pressure cleaning in the food and beverage industry and other occasions
  

  
  

• Okay, I will systematically introduce the core theoretical knowledge of the IFM PY2007 pressure sensor to you.
• PY2007 is a product based onMetal film piezoresistive typeMeasurement principle and integrationanalog outputandIO Link Digital CommunicationSanitary pressure sensor. The theoretical core lies in the process of converting physical pressure into standardized electrical signals.

• 1、 Core measurement principle: metal film piezoresistive effect

• Perception elementThe core of the sensor is made of stainless steel materialThin film strain gaugeIt is directly deposited or welded onto the isolation membrane at the front end of the sensor.

  
  

• working principleWhen process pressure is applied to the isolation membrane, the membrane will undergo slight deformation. This deformation will be directly transmitted to the metal strain resistor attached to it.

  
  

• Piezoresistive effectThe resistance value of a metal resistance wire will undergo regular changes with its mechanical strain (tension or compression). Pressure causes strain, and strain changes the resistance value.

  
  

• Wheatstone bridgeFour such strain resistors are connected into oneWheatstone bridgeCircuit. When there is no pressure, the bridge is balanced and the output is zero. When pressure is applied, one pair of resistance values increases and the other pair decreases, causing the bridge to lose balance and produce a resistance value proportional to the pressureMillivolt level differential voltage signal.

  
  

• advantageMetal thin film technology endows it with excellent long-term stability, high overload capacity, and is highly suitable for measuring liquid and gas media, especially in hygiene fields such as food and pharmaceuticals.

• 2、 Signal Processing and Output

• Signal amplification and conditioningThe weak analog signal (mV level) generated by the Wheatstone bridge is sent to the high-precision, low-noise amplifier inside the sensor for amplification.

  
  

• Analog to digital conversion and linearizationThe amplified signal passes throughAnalog to Digital Converter (ADC)Convert to digital signal. The microprocessor processes the signal based on the sensor's factory calibration dataTemperature compensation, non-linear correction, and zero/full-scale adjustmentEnsure high precision across the entire temperature range.

  
  

• dual-channel output：

  
  

• Remote configuration of sensor parameters (such as range, unit, filtering time).

  
  

• Read detailed diagnostic information (such as device status, operating hours, and over limit alarms).

  
  

• Transmit more process data (such as temperature, peak pressure, etc.).

  
  

• Analog outputThe processed digital signal is then passed through aDigital to Analog Converter (DAC)Convert to industry standards4-20 mA current signalThis signal has strong anti-interference ability and can be transmitted over long distances, directly connected to the analog input module of the PLC.

  
  

• IO Link digital outputAt the same time, complete digital data is transmitted throughIO-Link(A point-to-point three wire serial communication protocol) transmission. It can not only transmit pressure values, but also communicate bidirectionally for:

  
  

• 3、 Hygiene Design Theory

• The "hygienic" design of PY2007 is based on the following theoretical principles:

• Flat installationThe membrane is flush with the process interface to prevent residual media and ensure compliance with hygiene standards such as EHEDG.

  
  

• surface finishThe stainless steel part in contact with the medium reaches a specific roughness (such as Ra<0.8 μ m), which is not easy to breed bacteria and is easy to clean.

  
  

• Chemical corrosion resistance and high-pressure cleaning resistanceAdopting 316L stainless steel material and specific sealing technology, it can withstand corrosive media and high-frequency high-pressure, high-temperature cleaning (CIP/SIP) on site.

  
  

• summary

• PY2007 pressure sensor isClassic piezoresistive measurement principleCompared to modern timesIntelligent digital technologyThe combination. It converts pressure into electrical signals through physical effects, and after digital intelligent processing, providesReliable analog outputandRich digital informationIts sanitary design ensures its reliability and compliance in harsh clean environments.

summary

IFM PY2007 is a high-precision sanitary pressure sensor with stable and reliable analog output, which is very suitable for liquid level control, filling pressure monitoring, and pressure measurement of viscous media in the food and beverage industry.

IFM Yifumen pressure sensor PY2007 output mode analog quantity