SIPART PS100 Positioner 6DR7 Series - 6DR7101-1AN14-4BC0

The SIPART PS2 positioner uses a closed-loop feedback system to control a pneumatic actuator. It receives a setpoint signal (often a 4 to 20 mA current loop) and compares it to the actual valve position, measured by a sensor. Based on this comparison, it adjusts compressed air supply to the actuator using a high-speed piezoelectric valve, moving the valve to the correct position and maintaining it with low air consumption in its stationary mode.

Working principle 

1. Receive control signal: The positioner receives a control signal (e.g., 4-20 mA) from a higher-level control system like a PLC or DCS.
2. Compare and act: It compares the received setpoint with the actual valve position, which is measured by an internal or external sensor.
3. Control air supply:

• Based on the difference, the positioner sends a signal to a pisel valve.
• The pisel valve modulates compressed air to the pneumatic actuator.
• This moves the actuator to a position that matches the setpoint.

4. Minimize air consumption:

• The pisel crystal technology activates the pisel valves only when the actuator needs to move.
• This "pulsed air" design drastically reduces air consumption compared to conventional positioners.

5. Provide feedback:

The positioner can communicate its status, diagnostic information, and valve position back to the control system using protocols like HART, PROFIBUS, or Foundation Fieldbus.
It provides self-diagnostics to detect issues like leaks, stiction, and other performance deviations, which can be used for maintenance planning

Working Principle

The operation of the SIPART PS2 is a closed-loop control process involving electronic control and pneumatic actuation:

1. Setpoint Reception: The positioner receives an electrical setpoint signal (typically 4-20 mA or a digital bus signal like PROFIBUS PA or FOUNDATION Fieldbus) from a control system.
2. Position Sensing: The actual position of the valve's linear or rotary actuator is detected by a high-quality, wear-free position sensor (e.g., a potentiometer via a gear transmission or a non-contacting sensor using the GMR effect). This actual position is fed back to the microcontroller.
3. Microcontroller Processing: The integrated microcontroller continuously compares the setpoint (desired position) with the actual position (feedback value). It calculates the deviation (system deviation) between the two.
4. Pneumatic Control (Piezoelectric Valve): Based on the size and direction of this deviation, the microcontroller sends an electric control command to a highly responsive piezoelectric valve.

• For large deviations, the positioner outputs a continuous signal to quickly move the actuator (high-speed zone).
• For moderate deviations, it outputs a sequence of pulses.
• For small deviations, no positioning signals are output (adaptive or variable dead zone).

5. Actuator Movement: The piezoelectric valve converts the electrical command into a precise pneumatic pressure increment (air flow) and supplies it to the pneumatic actuator. This causes the actuator to move the valve stem or shaft.
6. Continuous Feedback: As the actuator moves, the position sensor provides continuous feedback to the microcontroller, closing the control loop until the actual position matches the setpoint.

Key Features of the Working Principle

• High Efficiency: The use of a pulsed air design via the piezoelectric valve means air is only consumed during the actual movement, resulting in significantly lower air consumption compared to conventional positioners.
• Automatic Commissioning: The device can automatically determine the zero point, full-scale value, positioning speed, and dead zone during a simple initialization process, optimizing its performance for the specific valve/actuator assembly.
• Diagnostics: The integrated microcontroller enables advanced diagnostics, such as monitoring for leaks, stiction, valve seat wear, and performing partial stroke tests (PSTs) on emergency shutdown (ESD) valves, enhancing overall plant safety and preventative maintenance.

 Full Datasheet

Positioner Transmitter Feature  

• Manufacturer: SIPART PS2
• Product No. :  6DR7101-1AN14-4BC0                                                                                                                                                  
• 6DR71 - electropneumatic positioner without explosion protection
• Enclosure material: 0 - Polycarbonate, lid with inspection window
• Actuator type: 1 - For single-acting actuators
• Degree of protection: 1 - Ex i (ATEX, IECEx,...)1)
• Communication: A  - 2-wire, 4 ... 20 mA, HART
• Device option 1: N - Without device option 1
• Device option 2:1 - With analog output (AQ) 4 ... 20 mA
• Thread of the lower cable entry/cable gland: 4 - ½-14 NPT/without cable gland
• Thread of the upper cable entry: 4 - ½-14 NPT/without cable gland
• Pneumatic thread: B - ¼-18 NPT
• Pneumatic accessories: C - Gauge made of plastic, block made of aluminum
• Special number: 0 

There are several Model of positioner, for more details read the PDF below 

Basic Ordering Information 

SITRANS VP300 Positioner 6DR6 Series - 6DR6 310-1NA10-0AA0

The SITRANS VP300 works by using a non-contacting giant magnetoresistance (GMR) principle to detect the valve's position. A magnet attached to the valve's stem or shaft moves with it, and its magnetic field is detected by sensors in the positioner, which then sends a pneumatic signal to a diaphragm actuator. This process allows the positioner to precisely control the valve's position based on an external command signal and provide feedback.

Detailed working principle

• Position Detection: A magnet is attached to either the linear spindle or the rotary shaft of the actuator. As the valve stem or shaft moves, the magnet's position changes.
• GMR Technology: Integrated sensors in the positioner use the giant magnetoresistance (GMR) principle to detect the position of the magnet without physical contact. This method is very robust, resists magnetic fields and temperature fluctuations, and is less sensitive to vibration.
• Signal Processing: The GMR sensors convert the magnet's position into a signal that can be interpreted by the positioner's internal electronics.
• Actuator Control: The positioner compares the detected valve position with the desired setpoint from a controller. If there is a difference, the positioner sends a pneumatic signal to the actuator to move the valve stem to the correct position.
• Feedback Loop: The positioner continuously monitors the actual valve position and adjusts the pneumatic signal to the actuator until the valve is in the desired position, creating a closed-loop control system.
• Installation: For easy installation, the VP300 is designed to work with a single magnet and can be mounted using the OPOS Interface, which requires only two screws for attachment.

Its working principle can be broken down into three main stages:

1. Signal Reception and Comparison:

• The positioner receives a 4-20 mA setpoint signal from a control system (DCS, PLC, etc.).
• This electrical signal is processed by an internal microcontroller, which determines the desired valve position.
• Simultaneously, the actual position of the valve stem or shaft is continuously measured using a non-contacting sensor based on the Giant Magnetoresistance (GMR) effect. A magnet attached to the actuator's moving part interacts with the sensors in the positioner to provide highly accurate position feedback without mechanical wear.
• The microcontroller electronically compares the setpoint (desired position) with the actual position.

2. Pneumatic Control:

• If a deviation is detected between the desired and actual positions, the microcontroller uses a control algorithm to actuate the internal pneumatic valve block.
• The pneumatic block then precisely doses compressed air into, or removes air from, the chamber(s) of the pneumatic actuator (for single or double-acting actuators).
• This change in air pressure causes the actuator to move the valve stem or shaft, adjusting the valve's opening.

3. Feedback and Continuous Adjustment:

• As the actuator moves, the GMR sensor continuously monitors the new position and feeds it back to the microcontroller.
• This creates a closed-loop control system, allowing the positioner to make continuous, precise adjustments until the actual valve position matches the setpoint signal, regardless of external disturbances like changing differential pressures or friction.

Key Features Related to its Working Principle

• GMR Position Sensing: This non-contacting technology makes the positioner highly resistant to vibration and eliminates mechanical linkages susceptible to wear, ensuring long-term reliability and accuracy.
  Microcontroller-based Control: The digital control allows for advanced functionalities such as customizable flow characteristic curves, extensive diagnostic functions (e.g., monitoring static friction, deadband, operating hours), and partial stroke testing (PST).
  HART Communication: The positioner supports HART communication, allowing remote parameterization, monitoring, and diagnostic data retrieval via systems like SIMATIC PDM.
  OPOS Interface®: This mechanical interface allows for simple and fast installation using only two screws and integrated piping, simplifying maintenance.

 Full Datasheet

Positioner Transmitter Feature  

• Manufacturer: SITRANS VP300
• Product No. :  6DR6 310-1NA10-0AA0                                                                                                                                          
• 6DR63 - SITRANS VP300 electropneumatic  positioner
• Version: 1 - With HART
• Enclosure design:0 - Aluminum, painted
• Actuator type:1  - Single-action
• Explosion protection: N - Without
• Approvals for explosion protection: A - ATEX, IECEx
• Electric connection 1 -  Cable gland M20x1.5
• Limit monitor: 0 - Without
• Option modules: 0 - Without
• OEM version: A - None
• Special number: A0

There are several Model of positioner, for more details read the PDF below 

Basic Ordering Information 

SIPART PS2 Positioner 6DR5 Series - 6DR5510OEG000AA0 

The SIPART PS2 positioner uses a closed-loop feedback system to control a pneumatic actuator. It receives a setpoint signal (often a 4 to 20 mA current loop) and compares it to the actual valve position, measured by a sensor. Based on this comparison, it adjusts compressed air supply to the actuator using a high-speed piezoelectric valve, moving the valve to the correct position and maintaining it with low air consumption in its stationary mode.

Working principle 

1. Receive control signal: The positioner receives a control signal (e.g., 4-20 mA) from a higher-level control system like a PLC or DCS.
2. Compare and act: It compares the received setpoint with the actual valve position, which is measured by an internal or external sensor.
3. Control air supply:

• Based on the difference, the positioner sends a signal to a pisel valve.
• The pisel valve modulates compressed air to the pneumatic actuator.
• This moves the actuator to a position that matches the setpoint.

4. Minimize air consumption:

• The pisel crystal technology activates the pisel valves only when the actuator needs to move.
• This "pulsed air" design drastically reduces air consumption compared to conventional positioners.

5. Provide feedback:

The positioner can communicate its status, diagnostic information, and valve position back to the control system using protocols like HART, PROFIBUS, or Foundation Fieldbus.
It provides self-diagnostics to detect issues like leaks, stiction, and other performance deviations, which can be used for maintenance planning

Working Principle

The operation of the SIPART PS2 is a closed-loop control process involving electronic control and pneumatic actuation:

1. Setpoint Reception: The positioner receives an electrical setpoint signal (typically 4-20 mA or a digital bus signal like PROFIBUS PA or FOUNDATION Fieldbus) from a control system.
2. Position Sensing: The actual position of the valve's linear or rotary actuator is detected by a high-quality, wear-free position sensor (e.g., a potentiometer via a gear transmission or a non-contacting sensor using the GMR effect). This actual position is fed back to the microcontroller.
3. Microcontroller Processing: The integrated microcontroller continuously compares the setpoint (desired position) with the actual position (feedback value). It calculates the deviation (system deviation) between the two.
4. Pneumatic Control (Piezoelectric Valve): Based on the size and direction of this deviation, the microcontroller sends an electric control command to a highly responsive piezoelectric valve.

• For large deviations, the positioner outputs a continuous signal to quickly move the actuator (high-speed zone).
• For moderate deviations, it outputs a sequence of pulses.
• For small deviations, no positioning signals are output (adaptive or variable dead zone).

5. Actuator Movement: The piezoelectric valve converts the electrical command into a precise pneumatic pressure increment (air flow) and supplies it to the pneumatic actuator. This causes the actuator to move the valve stem or shaft.
6. Continuous Feedback: As the actuator moves, the position sensor provides continuous feedback to the microcontroller, closing the control loop until the actual position matches the setpoint.

Key Features of the Working Principle

• High Efficiency: The use of a pulsed air design via the piezoelectric valve means air is only consumed during the actual movement, resulting in significantly lower air consumption compared to conventional positioners.
• Automatic Commissioning: The device can automatically determine the zero point, full-scale value, positioning speed, and dead zone during a simple initialization process, optimizing its performance for the specific valve/actuator assembly.
• Diagnostics: The integrated microcontroller enables advanced diagnostics, such as monitoring for leaks, stiction, valve seat wear, and performing partial stroke tests (PSTs) on emergency shutdown (ESD) valves, enhancing overall plant safety and preventative maintenance.

 Full Datasheet

Positioner Transmitter Feature  

• Manufacturer: SIPART PS2
• Product No. :  6DR5510OEG000AA0                                                                                                                                               
• 6DR5 - SIPART PS2 electropneumatic positioner in enclosure made of polycarbonate, aluminum and stainless steel
• Version: 5 - PROFIBUS PA connection
• For actuator: 1 - Single-acting
• Enclosure: 0 - Polycarbonate
• special number: 0 
• Explosion protection: E - Non-sparking With protection (type2)
• Connection thread electrical/pneumatic: G - ½-14 NPT / ¼-18 NPT
• Limit monitor: 0 -  Without
• Option modules: 0 - Without
• Special number: 0
• Brief instructions: A - German/English/Chinese
• Special number: A
• Mounted pressure gauge block: 0 - Without

There are several Model of positioner, for more details read the PDF below 

Basic Ordering Information 

SIPART PS2 Positioner 6DR5 Series - 6DR5220-0EN01-0AA4

The SIPART PS2 positioner uses a closed-loop feedback system to control a pneumatic actuator. It receives a setpoint signal (often a 4 to 20 mA current loop) and compares it to the actual valve position, measured by a sensor. Based on this comparison, it adjusts compressed air supply to the actuator using a high-speed piezoelectric valve, moving the valve to the correct position and maintaining it with low air consumption in its stationary mode.

Working principle 

1. Receive control signal: The positioner receives a control signal (e.g., 4-20 mA) from a higher-level control system like a PLC or DCS.
2. Compare and act: It compares the received setpoint with the actual valve position, which is measured by an internal or external sensor.
3. Control air supply:

• Based on the difference, the positioner sends a signal to a pisel valve.
• The pisel valve modulates compressed air to the pneumatic actuator.
• This moves the actuator to a position that matches the setpoint.

4. Minimize air consumption:

• The pisel crystal technology activates the pisel valves only when the actuator needs to move.
• This "pulsed air" design drastically reduces air consumption compared to conventional positioners.

5. Provide feedback:

The positioner can communicate its status, diagnostic information, and valve position back to the control system using protocols like HART, PROFIBUS, or Foundation Fieldbus.
It provides self-diagnostics to detect issues like leaks, stiction, and other performance deviations, which can be used for maintenance planning

Working Principle

The operation of the SIPART PS2 is a closed-loop control process involving electronic control and pneumatic actuation:

1. Setpoint Reception: The positioner receives an electrical setpoint signal (typically 4-20 mA or a digital bus signal like PROFIBUS PA or FOUNDATION Fieldbus) from a control system.
2. Position Sensing: The actual position of the valve's linear or rotary actuator is detected by a high-quality, wear-free position sensor (e.g., a potentiometer via a gear transmission or a non-contacting sensor using the GMR effect). This actual position is fed back to the microcontroller.
3. Microcontroller Processing: The integrated microcontroller continuously compares the setpoint (desired position) with the actual position (feedback value). It calculates the deviation (system deviation) between the two.
4. Pneumatic Control (Piezoelectric Valve): Based on the size and direction of this deviation, the microcontroller sends an electric control command to a highly responsive piezoelectric valve.

• For large deviations, the positioner outputs a continuous signal to quickly move the actuator (high-speed zone).
• For moderate deviations, it outputs a sequence of pulses.
• For small deviations, no positioning signals are output (adaptive or variable dead zone).

5. Actuator Movement: The piezoelectric valve converts the electrical command into a precise pneumatic pressure increment (air flow) and supplies it to the pneumatic actuator. This causes the actuator to move the valve stem or shaft.
6. Continuous Feedback: As the actuator moves, the position sensor provides continuous feedback to the microcontroller, closing the control loop until the actual position matches the setpoint.

Key Features of the Working Principle

• High Efficiency: The use of a pulsed air design via the piezoelectric valve means air is only consumed during the actual movement, resulting in significantly lower air consumption compared to conventional positioners.
• Automatic Commissioning: The device can automatically determine the zero point, full-scale value, positioning speed, and dead zone during a simple initialization process, optimizing its performance for the specific valve/actuator assembly.
• Diagnostics: The integrated microcontroller enables advanced diagnostics, such as monitoring for leaks, stiction, valve seat wear, and performing partial stroke tests (PSTs) on emergency shutdown (ESD) valves, enhancing overall plant safety and preventative maintenance.

 Full Datasheet

Positioner Transmitter Feature  

• Manufacturer: SIPART PS2
• Product No. :  6DR5220-0EN01-0AA4                                                                                                                                                   
• 6DR5 - SIPART PS2 electropneumatic positioner in enclosure made of polycarbonate, aluminum and stainless steel
• Version: 2 - With HART, explosion-protected
• For actuator: 2 - Double-acting
• Enclosure: 0 - Polycarbonate
• special number: 0 
• Explosion protection: E - With protection type
• Connection thread electrical/pneumatic: N - ½-14 NPT / ¼-18 NPT
• Limit monitor: 0 -  Without
• Option modules: 1 - Position feedback module for position feedback signal (4 ... 20 mA)
• Special number: 0
• Brief instructions: A - German/English/Chinese
• Special number: A
• Mounted pressure gauge block: 4 - Block made of alum., double-acting ¼-18 NPT, scaled in MPa and psi

There are several Model of positioner, for more details read the PDF below 

Basic Ordering Information 

SIPART PS2 Positioner 6DR5 Series - 6DR5210-0EN00-0AA9R2A 

The SIPART PS2 positioner uses a closed-loop feedback system to control a pneumatic actuator. It receives a setpoint signal (often a 4 to 20 mA current loop) and compares it to the actual valve position, measured by a sensor. Based on this comparison, it adjusts compressed air supply to the actuator using a high-speed piezoelectric valve, moving the valve to the correct position and maintaining it with low air consumption in its stationary mode.

Working principle 

1. Receive control signal: The positioner receives a control signal (e.g., 4-20 mA) from a higher-level control system like a PLC or DCS.
2. Compare and act: It compares the received setpoint with the actual valve position, which is measured by an internal or external sensor.
3. Control air supply:

• Based on the difference, the positioner sends a signal to a pisel valve.
• The pisel valve modulates compressed air to the pneumatic actuator.
• This moves the actuator to a position that matches the setpoint.

4. Minimize air consumption:

• The pisel crystal technology activates the pisel valves only when the actuator needs to move.
• This "pulsed air" design drastically reduces air consumption compared to conventional positioners.

5. Provide feedback:

The positioner can communicate its status, diagnostic information, and valve position back to the control system using protocols like HART, PROFIBUS, or Foundation Fieldbus.
It provides self-diagnostics to detect issues like leaks, stiction, and other performance deviations, which can be used for maintenance planning

Working Principle

The operation of the SIPART PS2 is a closed-loop control process involving electronic control and pneumatic actuation:

1. Setpoint Reception: The positioner receives an electrical setpoint signal (typically 4-20 mA or a digital bus signal like PROFIBUS PA or FOUNDATION Fieldbus) from a control system.
2. Position Sensing: The actual position of the valve's linear or rotary actuator is detected by a high-quality, wear-free position sensor (e.g., a potentiometer via a gear transmission or a non-contacting sensor using the GMR effect). This actual position is fed back to the microcontroller.
3. Microcontroller Processing: The integrated microcontroller continuously compares the setpoint (desired position) with the actual position (feedback value). It calculates the deviation (system deviation) between the two.
4. Pneumatic Control (Piezoelectric Valve): Based on the size and direction of this deviation, the microcontroller sends an electric control command to a highly responsive piezoelectric valve.

• For large deviations, the positioner outputs a continuous signal to quickly move the actuator (high-speed zone).
• For moderate deviations, it outputs a sequence of pulses.
• For small deviations, no positioning signals are output (adaptive or variable dead zone).

5. Actuator Movement: The piezoelectric valve converts the electrical command into a precise pneumatic pressure increment (air flow) and supplies it to the pneumatic actuator. This causes the actuator to move the valve stem or shaft.
6. Continuous Feedback: As the actuator moves, the position sensor provides continuous feedback to the microcontroller, closing the control loop until the actual position matches the setpoint.

Key Features of the Working Principle

• High Efficiency: The use of a pulsed air design via the piezoelectric valve means air is only consumed during the actual movement, resulting in significantly lower air consumption compared to conventional positioners.
• Automatic Commissioning: The device can automatically determine the zero point, full-scale value, positioning speed, and dead zone during a simple initialization process, optimizing its performance for the specific valve/actuator assembly.
• Diagnostics: The integrated microcontroller enables advanced diagnostics, such as monitoring for leaks, stiction, valve seat wear, and performing partial stroke tests (PSTs) on emergency shutdown (ESD) valves, enhancing overall plant safety and preventative maintenance.

 Full Datasheet

Positioner Transmitter Feature  

• Manufacturer: SIPART PS2
• Product No. :  6DR5210-0EN00-0AA9R2A                                                                                                                                                     
• 6DR5 - SIPART PS2 electropneumatic positioner in enclosure made of polycarbonate, aluminum and stainless steel
• Version: 2 - With HART, explosion-protected
• For actuator: 1 - Single-acting
• Enclosure: 0 - Polycarbonate
• special number: 0 
• Explosion protection: E - With protection type
• Connection thread electrical/pneumatic: N - ½-14 NPT / ¼-18 NPT
• Limit monitor: 0 -  Without
• Option modules: 0 - Without
• Special number: 0
• Brief instructions: A - German/English/Chinese
• Special number: A
• Mounted pressure gauge block: 9R2A - Block made of aluminum, doubleacting G¼, scaled in MPa, bar, psi

There are several Model of positioner, for more details read the PDF below 

Basic Ordering Information