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Proportional pressure controller
Proportional pressure controller
The document introduces the MAC Proportional Pressure Controller (PPC), highlighting its compact size, resistance to vibration, and efficient power usage. It uses MAC valves for high flow and fast response, ensuring precise pressure control.
The PPC offers excellent linearity and minimal deviation from the ideal pressure curve. It allows for zero and span adjustments and features a closed-loop design to minimize hysteresis, maintaining high accuracy.
The PPC is available in various configurations, including single or dual transducer models, and supports both pressure and vacuum services. It can be configured for internal or external sensing and is available in covered or coverless versions.
The PPC accepts both analog (0-10 VDC or 4-20 mA) and digital command signals (4-bit or 8-bit binary logic), supporting different pressure resolutions and logic types.
The PPC offers Analog Monitor Signal (AMS) and Logic Monitor Signal (LMS) options for feedback, providing voltage proportional to output pressure and digital feedback for pressure confirmation.
The PPC ensures minimal power consumption and heat production, with high flow and fast response times. It is unaffected by vibration or mounting position and customizable to meet specific requirements.
The PPC operates within a temperature range of 32°F to 120°F, housed in a sealed aluminum enclosure with IP65 protection. It supports various port sizes and connector options.
The PPC5C series operates with a supply voltage of 20.4 to 26.4 VDC and a supply current of 50 to 500mA. It includes EMI/RFI protection and noise reduction features.
The controller supports various electrical connections and features LED indicators for power and pressure status.
The controller is compatible with compressed air or inert gases, offering a range of output pressures and flow capacities.
Various signal and connector options are available, including different command signal types and feedback options.
Key benefits include reliable operation, fast response, long life, high flow, and low power consumption.
The document provides a detailed guide on ordering the PPC5C series, specifying options for type, porting, feedback, and more.
The document provides detailed technical specifications and ordering information for MAC Valves' proportional pressure controllers, suitable for various industrial applications.
- Power Supply: 20.4 to 26.4 VDC.
- Flow Capacity: Cv 0.07/70 Nl/min (standard) and Cv 0.09/90 Nl/min (high flow).
- Pressure Range: Various options from 0 to 150 PSI (0 to 10 BAR).
- Accuracy: ±2.5% full scale for PPC5C and options for ±1.5%, ±0.5%, and ±2.5% for PPC34B.
- Temperature Range: 32°F to 120°F (0 to 50°C).
- Enclosure: Aluminium, sealed, IP 65 protection.
- Reliable operation with balanced poppet design.
- Fast response and long life.
- High flow and low power consumption.
- Not affected by vibrations.
- Can be used standalone or with remote air sandwich regulators.
- Type: Digital (PPC5C) or Analog (PPC34B).
- Porting Options: Side or bottom ports with various thread types (NPTF, BSPPL, BSPTR).
- Pressure Reference: Gage or Differential Pressure.
- Command Signal: Options for 4 or 8 Bit Digital, Positive and Negative Logic, or 0-10V/4-20mA for analog.
- Connector Options: 6, 7, or 8 pin mini plug-in, 14 wire grommet.
- Supply Current: 50 to 275mA.
- Input Impedance: 4.99 kΩ for voltage, 316 Ω for current.
- Fluids: Compressed air or inert gases, lubrication not required.
- Minimum Closed End Volume: 1.0 cubic inch (16 cm³).
- Consult the "Precautions" section before use, installation, or service.
- Ensure differential pressure does not exceed specified ranges.
- Various configurations and options are available for specific application needs.
The document provides detailed specifications and ordering information for MAC Valves' proportional pressure controllers, specifically the PPC34B, LCP35A, and PPC45A series.
- Port Size and Flow: The controllers have a port size of 1/8” with varying flow capacities.
- Mounting Options: Available in DIN rail, base mount, and manifold mount configurations.
- Pressure Range: Options include 10 to 100 PSI (0.66 to 6.6 BAR).
- Accuracy: Options for accuracy include ±0.5%, ±1.5%, and ±2.5% full scale.
- Command Signal: Supports 0-10V or 4-20mA differential signals.
- Electrical Data: Supply voltage ranges from 18 to 28 VDC with current requirements between 50 to 350mA.
- Reliable operation using MAC series valves with balanced poppet.
- Not affected by vibrations, ensuring stable performance.
- Analog command signal and output for precise control.
The document provides a detailed guide on how to order these controllers, specifying types, mounting options, pressure ranges, pressure references, accuracy levels, command signals, and logic monitor signals.
- Inlet Pressure: Maximum of 120 PSI for 10-100 PSI output pressure.
- Fluids: Compatible with compressed air or inert gases.
- Lubrication: Not required, but if used, a medium aniline point oil is recommended.
- Flow and Volume: Minimum closed end volume is 1.0 cubic inch (16 cm³).
The document emphasizes consulting the "Precautions" section before use, installation, or service of MAC Valves. It also highlights the warranty and production testing of the products.
The document provides detailed specifications and ordering information for the Series PPC45B and PPC47A proportional pressure controllers.
- Port Size and Flow: PPC45B has a port size of 1/8” with a maximum flow of 0.25 Cv/250 Nl/min. PPC47A has a port size of 1/4” with a maximum flow of 0.72 Cv/720 Nl/min.
- Pressure Range: Both series offer pressure ranges from 10 to 100 PSI (0.66 to 6.7 BAR).
- Accuracy: Options for accuracy include ±0.5%, ±1.5%, and ±2.5% full scale.
- Temperature Range: Operates between 32 to 120°F (0 to 50°C).
- Electrical Data: Supply voltage is 20.4 to 26.4 VDC with a supply current of 50 to 350mA for PPC45B and 110 to 440mA for PPC47A.
- Utilizes MAC 45 and 47 Series with balanced poppet for reliable operation.
- Not affected by vibrations and includes analog command signal and output.
- Type of Mounting: Options include base side port with various thread types (NPTF, BSPPL, BSPTR).
- Pressure Reference: Differential or gage pressure options available.
- Command Signal: Options for 0-10V or 4-20mA differential signals.
- Cover and Connector Options: Sealed electrical components with various pin connectors and cable lengths.
Users are advised to consult the 'Precautions' page before use, installation, or service of MAC Valves. Differential pressure must not exceed the specified pressure range.
The document provides detailed technical specifications and operational guidelines for the MAC Valves Series PPC47A and PPC400A proportional pressure controllers.
- Electrical Specifications: Supply voltage ranges from 20.4 to 26.4 VDC with a supply current of 110 to 440mA. Command signals can be 0 to 10V or 4 to 20mA, with single-ended or differential command types. Input impedance is specified at 4.99 kΩ for voltage and 316 Ω for current.
- Pneumatic Specifications: The maximum inlet pressure is 120 PSI for output pressures ranging from 10 to 100 PSI. The devices can handle compressed air or inert gases without requiring lubrication, although a medium aniline point oil is recommended if lubrication is used. The flow rate is Cv 0.74/740 Nl/min.
- Environmental Conditions: The operational ambient temperature is between 32 to 120°F (0 to 50°C). The devices are not affected by vibrations and include LED indicators for power and pressure status.
- Reliable operation using MAC 47 Series with balanced poppet.
- Fast response and long life.
- High flow and low power consumption.
- Not affected by vibrations.
- Accurate pressure control with analog command signal and output.
The document provides a detailed guide on how to order these controllers, specifying types of mounting, pressure ranges, pressure references, accuracy levels, command signals, logic monitor signals, and cover options. Examples of model configurations are provided for clarity.
Users are advised to consult the 'Precautions' section before use, installation, or servicing of MAC Valves. Differential pressure must not exceed the specified pressure range.
The products come with a 100% warranty for months of production testing, ensuring reliability and performance.
Inlet pressure is a maximum of 120 PSI for 10-100 PSI output pressure and 8 BAR for 0.66-6.6 BAR output pressure. The system uses compressed air or inert gases and does not require lubrication, though a medium aniline point oil is recommended if lubrication is used. Output pressure ranges from 0 to 100 PSI or 0 to 6.6 BAR with an overall accuracy of ±2.5% full scale. The flow rate is Cv 1.3/1300 Nl/min with a minimum closed end volume of 50.0 cubic inch or 820 cm³.
Supply voltage ranges from 20.4 to 26.4 VDC with a supply current of 50 to 350mA. Command signals can be 0 to 10V or 4 to 20mA, with single-ended or differential command types. Input impedance is 4.99 kΩ ± 1.0% for voltage and 316 Ω ± 0.1% for current. The system includes EMI/RFI protection for electrical inputs.
The proportional pressure controller series PPC400A and PPC92B offer reliable operation with fast response, long life, high flow, and low power consumption. They are not affected by vibrations and maintain an accuracy of ±2.5% full scale. The PPC400A series has a port size of 1/4” with a maximum flow of Cv 1.3/1300 Nl/min, while the PPC92B series has a port size of 3/8” with a maximum flow of Cv 2.0/2000 Nl/min.
The controllers provide reliable operation using MAC series with balanced pilot, fast response, long life, high flow, low power consumption, and are unaffected by vibrations. They offer analog command signal and output with an accuracy of ±2.5% full scale.
Ordering involves selecting the type (analog internal or external pilot), type of mounting (e.g., DIN rail base, base side port), pressure range (e.g., 100/6.7 PSI/BAR), pressure reference (gage or differential), accuracy, command signal type, logic monitor signal, and cover options. Examples are provided for different series configurations.
The ambient temperature range is 32 to 120°F (0 to 50°C). LED indicators show red for power on and green for pressure achieved. The system is not affected by vibration and can be mounted in any plane. Various port sizes and connector options are available, including sealed electrical components for washdown environments.
- Maximum output pressure: 120 PSI
- Suitable fluids: Air or inert gases
- Lubrication: Not required, but medium aniline point oil recommended if used
- Filtration: 40 micron
- Pressure range: 20 to 100 PSI
- Overall accuracy: ±2.5% full scale
- Port sizes: 1/2, 3/4, NPTF, BSPPL, BSPTR
- Flow coefficients: 1/2” ports: Cv 5.3, 3/4” ports: Cv 6.3
- Exhaust flow coefficients: 1/2” ports: Cv 1.5, 3/4” ports: Cv 1.5
- Minimum output volume requirements: 100 Cu. in. and larger for 1/2” ports at 78” length, 3/4” ports at 60” length
- Accurate pressure control
- Fast response and high flow
- Quick exhaust function
- Unaffected by line pressure changes
- Long life and Nema 4 specifications compliance
- Analog and digital control options
- Closed loop system with feedback
- Series 92 with options for analog or digital control
- Various porting, feedback, pressure range, and connector options available
- Example configurations provided for ordering guidance
- Proportional Multi-Pressure Pak® (PMPP) includes a pressure controller, directional valves, and a pilot-operated regulator
- Suitable for applications requiring multiple pressures, such as automotive spot welding and machinery pressure selection
- Offers fast response, high flow, and compact design
- Compatible with DeviceNet and provides constant pressure monitoring
- Supply pressure: 2 to 10 bar/30 to 150 PSI
- Output pressure: 25 to 150 PSI
- Port sizes and flow rates vary by series and application
- Example circuit diagrams and component lists provided for system setup
- Multi-Pressure Pak® allows for up to six different pre-determined pressures
- Pre-wired, pre-piped, lightweight, and compact design
- Optional quick exhaust valve for fast operation
- Suitable for applications requiring multiple pressures with easy electrical selection
The document provides detailed technical specifications and operational guidelines for the Multi-Pressure Pak® (MPP) and other MAC Valves products.
The MPP is a non-proportional pressure control system designed for applications not requiring more than six pressures or closed-loop feedback. It is suitable for 2, 3, or 4 ported weld guns and other applications, offering an accuracy of ±2.5% of full scale. The system operates within a pressure range of 25-120 PSI and supports various AC and DC voltages.
The MPP is easy to set up and maintain, providing a reliable alternative to proportional valves. It includes a 4-way solenoid valve, pilot-operated sandwich regulator, and multiple solenoid valves with individual regulators, allowing for up to six different pressure settings.
The document lists various valve series with corresponding port sizes and flow capacities (Cv values). It emphasizes the importance of selecting the appropriate valve series based on application requirements.
The document outlines critical precautions for the application, installation, and servicing of MAC Valves products. It warns against using the products in applications where failure could jeopardize safety and stresses the need for clean, dry air supply. It also provides guidelines for handling 2-position and 3-position valves, emphasizing the need for adequate system safeguards.
Installation should only be performed by qualified personnel, and all air and electricity must be turned off before servicing. The document advises consulting the catalog or factory for proper maintenance procedures and warns against using unauthorized lubricants.
The document details the limitations of the MAC Valves guarantee, which covers replacement or rebuilding of faulty products. It excludes claims for labor, material, or damages not incurred during normal use and maintenance.
MAC Valves, Inc. offers a limited warranty for 18 months from the original shipment date, ensuring valves are free from significant defects in material and workmanship and conform to agreed specifications. Electrical coils are warranted for their normal useful life. All other warranties, including implied warranties of merchantability and fitness for a particular purpose, are expressly disclaimed.
The warranty does not cover valves subjected to abuse, misuse, improper handling, or unauthorized modifications. It also excludes coverage for labor, material, time, transportation, and damages from uncontrollable events like fire or theft.
The buyer's sole remedy is limited to replacement, rebuilding, or refund of the purchase price for non-conforming valves, contingent on compliance with warranty obligations. Non-conforming valves must be returned prepaid within the warranty period.
Valves not covered by the warranty may qualify for a one-time rebuild under a flat rate program. Rebuilt valves are disassembled, inspected, and tested, carrying a 90-day warranty from the shipment date. Valves marked with an "R" indicate a rebuild and are not eligible for subsequent rebuilds.
Catalog excerpts
Consult 'Precautions' page 94 before use, installation or service of MAC Valves.
Open the catalog to page 2
Proportional pressure controller Introduction I. Introducing : Proportional Pressure Controller I or E Input signal The MAC Proportional Pressure Controller, (PPC) is an innovative product which converts an electrical signal into a proportional pneumatic output. The PPC is unlike conventional I/P or V/P transducers. It offers much more in terms of performance, features, and reliability. Inlet pressure The key to the MAC PPCs are two MAC 34, 45, 400, 47, 92 or 93 Series valves that are used to control the output pressure. The valves are operated by the PPCs closed loop electronic control circuit....
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Introduction III. Specifications LINEARITY The linearity parameter shows the capability of the unit to follow the input signal according to an ideal straight line curve. MAC PPCs exhibit excellent linearity throughout the pressure range. The deviation is measured in ± % of full scale. Input signal Output pressure Desired curve Actual curve For single transducer models, two parameters can be adjusted. Primarily these should be set by the factory but can be done in the field if absolutely necessary. The first parameter is the ZERO adjust, the second is the SPAN adjust. These parameters provide...
Open the catalog to page 4
Proportional pressure controller Introduction HYSTERESIS The hysteresis error, sometimes called “deadband”, is the amount of output pressure variance required to cause the PPC to react, making a correction to the output pressure. It is given in percent of full scale pressure, all MAC PPC products perform with minimal hysteresis. MAC Valves states accuracy of the MAC PPCs as overall accuracy. Accuracy is expressed in percent of full scale, which includes hysteresis and linearity. Some suppliers give separate parameters in order to give a better impression. In this case hysteresis and linearity...
Open the catalog to page 5
Introduction IV. Command Signal Options The PPC can be controlled with either an analog command signal or a digital command signal. ANALOG COMMAND SIGNAL The analog command signal can be either 0 – 10 VDC (voltage) or 4 – 20 mA (current). Two wires are necessary to accept the command signal. The PPC measures the voltage differences between the two wires to determine the desired pressure output. Along with the command signals, a 24 VDC source must be available to operate the PPC. The return path for the 24VDC source and the return path for the command signal must not be isolated from each other....
Open the catalog to page 6
Proportional pressure controller Introduction Negative Logic is defined as a maximum command level (all bits are logic high) controlling a minimum pressure output. For example, in a 4-bit system, a 1111 digital signal would correspond to zero psi and a 0000 digital signal would correspond to the maximum pressure. Sinking Input requires the digital voltage to be supplied by the controller connected to the input of the PPC. A command signal must be supplied by the external controller to the digital input connections. The PLC "drives" the PPC, by which a digital input (as opposed to analog) will...
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The Logic Monitor Signal provides digital feedback to confirm that the PPC has achieved the correct pressure. The LMS provides standard logic levels such as TTL (5V) or 24 VDC. With the TTL option, when correct pressure is achieved, the LMS outputs a logic 1, (5 VDC). When the PPC is working, (Fill or Exhaust valve is in operation) the LMS outputs a logic 0, 0 VDC. Figure 2 shows how to wire the LMS to a controller’s TTL input. The LMS provides a simple "go/no go" signal back to the controlling device. The LMS may also be used to turn on an L.E.D. for remote indication. COMMON (GREEN) There also...
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Proportional Pressure Controller Consult “Precautions” page 94 before use, installation or service of MAC Valves
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Proportional pressure controller Flow [Max] Cv / Nl/min Individual mounting coveriess covered ■ analog base ■ analog analog manifold base mount base moun covered covered analog covered analog with remote digital transducer coverless analog DIN rail mount Additional dimensions for PPC's P 89-93 Consult 'Precautions' page 94 before use, installation or service of MAC Valves.
Open the catalog to page 10
Port size Flow [Max][Cv] Individual mounting 0.07 / 0.09 Covered Analog OPERATIONAL BENEFITS 1. Reliable operation, u-sing two MAC 34 Series with balcrced popper. 5. Lo^ power consumption. A. Rugged enclosure. 7. Not affected by vibrations. 6. Accurate pressure control, v. Can be sland alone or used in combination wilti our remote air sandwich regulators. 10. Analog command signal and output. BASIC MODEL Revision PRC5C (XXX -XX -XX) See below Porting SIDE PORTS 1/8" NPTF 1/8" BSPPL 1/8" BSPTR BOTTOM PORTS 1/8" NPTF 1/8" BSPPL 1/8" BSPTR Bottom port O-ring Mount r Q Feedback options Single...
Open the catalog to page 11
PNEUMATIC DATA * 30 PSI maximum inlet for 15 PSI output pressure - 2 BAR maximum inlet for 1 BAR output pressure -15 PSI maximum inlet for 2 PSI and 4 PSI output pressure - 1 BAR maximum inlet for 0.13 BAR output pressure ** Vacuum inlet should not exceed 25"/635 mm HG Consult 'Precautions' page 94 before use, installation or service of MAC Valves.
Open the catalog to page 12
LIST OF AVAILABLE SIGNAL & CONNECTOR OPTIONS COMMAND SIGNAL DIFFERENTIAL NONE DIFFERENTIAL NONE DIFFERENTIAL NONE DIFFERENTIAL NONE DIFFERENTIAL NONE DIFFERENTIAL NONE DIFFERENTIAL NONE DIFFERENTIAL NONE DIFFERENTIAL NONE DIFFERENTIAL NONE DIFFERENTIAL NONE DIFFERENTIAL NONE Consult "Precautions" page 94 before use, installation or service of MAC Valves.
Open the catalog to page 13
Proportional pressure controller STANDARD PLUG-IN - ELECTRICAL CONNECTIONS MATING CORD 1 COMMON 2 POWER +20.4 TO +26.4VDC 3 COMMAND GREEN RED WITH BLACK TRACER RED WITH WHITE TRACER - (BBA-BX) - (BAB-BX) - (DBA-BX) - (DAB-BX) 2 ANALOG MONITOR SIGNAL RED 4 LOGIC MONITOR SIGNAL ORANGE 5 MICRO (SINGLE ENDED) RED WITH WHITE TRACER RED GREEN RED WITH YELLOW TRACER RED WITH BLACK TRACER - (BBA-EX) - (BAB-EX) - (DBA-EX) - (DAB-EX) RED WITH WHITE TRACER RED GREEN RED WITH YELLOW TRACER RED WITH BLACK TRACER 6 1 LOGIC MONITOR SIGNAL ORANGE 5 ANALOG MONITOR SIGNAL RED + COMMAND ANALOG...
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