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- Comprehensive I/O Configuration:
- 16 single-ended analog input channels (16SE)
- 8 digital input channels (8DI)
- 8 TTL-level digital inputs and 8 TTL-level digital outputs (8/8 TTL)
- 24 additional digital I/O lines (24 DIO)
- High-Precision Analog Conversion:
- Programmable input gain ranges: 0–1 V, 0–2 V, 0–5 V, 0–10 V, ±1 V, ±2 V, ±5 V, ±10 V
- Accuracy: 0.03% of Full Scale Range (FSR)
- Sampling rate up to 10 kHz
- Dual Analog Output Channels:
- 2 DA channels with 0–5 V output range
- Maximum output current: +5 mA per channel
- Integrated Counter/Timer Functions:
- 6 independent counter/timer channels based on the Intel 8254 programmable interval timer architecture
- Suitable for event counting, frequency measurement, and pulse generation
- Parallel Port Interface:
- External converter designed for direct connection to a PC parallel port
- Provides high-speed data transfer and control without requiring internal PC slots
- Software Support:
- Includes drivers and libraries for Basic, C, and Pascal programming environments
- Enables rapid integration into custom data acquisition or control software
- Power Supply and Enclosure:
- Operates from a +12 V DC supply at up to 2 A
- Compact external housing for desktop or panel use
- Connectivity:
- Two 50-pin connectors for analog and digital I/O
- One D-sub 37-pin male connector for additional interfacing
- 16 single-ended analog input channels (16SE)
- 8 digital input channels (8DI)
- 8 TTL-level digital inputs and 8 TTL-level digital outputs (8/8 TTL)
- 24 additional digital I/O lines (24 DIO)
- High-Precision Analog Conversion:
- Programmable input gain ranges: 0–1 V, 0–2 V, 0–5 V, 0–10 V, ±1 V, ±2 V, ±5 V, ±10 V
- Accuracy: 0.03% of Full Scale Range (FSR)
- Sampling rate up to 10 kHz
- Dual Analog Output Channels:
- 2 DA channels with 0–5 V output range
- Maximum output current: +5 mA per channel
- Integrated Counter/Timer Functions:
- 6 independent counter/timer channels based on the Intel 8254 programmable interval timer architecture
- Suitable for event counting, frequency measurement, and pulse generation
- Parallel Port Interface:
- External converter designed for direct connection to a PC parallel port
- Provides high-speed data transfer and control without requiring internal PC slots
- Software Support:
- Includes drivers and libraries for Basic, C, and Pascal programming environments
- Enables rapid integration into custom data acquisition or control software
- Power Supply and Enclosure:
- Operates from a +12 V DC supply at up to 2 A
- Compact external housing for desktop or panel use
- Connectivity:
- Two 50-pin connectors for analog and digital I/O
- One D-sub 37-pin male connector for additional interfacing
Comprehensive Product Summary – PPDAS08 AD Parallel Port External Converter
### 1. Product Overview
Product Name: AD Parallel Port External Converter
Model: PPDAS08
Series: PPDAS Series – External Data Acquisition and Digital I/O Interface Modules
Article Number: PPDAS08
Manufacturer: Axiom
The Axiom PPDAS08 is a high-performance analog and digital I/O converter designed for use with parallel port interfaces. It provides a versatile combination of analog input, analog output, digital input/output, and counter/timer functions in a compact external module. The device is engineered for laboratory, industrial, and embedded data acquisition applications requiring precise analog-to-digital (AD) and digital-to-analog (DA) conversion, as well as flexible digital control and monitoring capabilities.
### 2. Key Features
- Comprehensive I/O Configuration:
- 16 single-ended analog input channels (16SE)
- 8 digital input channels (8DI)
- 8 TTL-level digital inputs and 8 TTL-level digital outputs (8/8 TTL)
- 24 additional digital I/O lines (24 DIO)
- High-Precision Analog Conversion:
- Programmable input gain ranges: 0–1 V, 0–2 V, 0–5 V, 0–10 V, ±1 V, ±2 V, ±5 V, ±10 V
- Accuracy: 0.03% of Full Scale Range (FSR)
- Sampling rate up to 10 kHz
- Dual Analog Output Channels:
- 2 DA channels with 0–5 V output range
- Maximum output current: +5 mA per channel
- Integrated Counter/Timer Functions:
- 6 independent counter/timer channels based on the Intel 8254 programmable interval timer architecture
- Suitable for event counting, frequency measurement, and pulse generation
- Parallel Port Interface:
- External converter designed for direct connection to a PC parallel port
- Provides high-speed data transfer and control without requiring internal PC slots
- Software Support:
- Includes drivers and libraries for Basic, C, and Pascal programming environments
- Enables rapid integration into custom data acquisition or control software
- Power Supply and Enclosure:
- Operates from a +12 V DC supply at up to 2 A
- Compact external housing for desktop or panel use
- Connectivity:
- Two 50-pin connectors for analog and digital I/O
- One D-sub 37-pin male connector for additional interfacing
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | PPDAS08 |
| Manufacturer | Axiom |
| Analog Inputs | 16 single-ended (16SE) |
| Analog Input Range | 0–1 V, 0–2 V, 0–5 V, 0–10 V, ±1 V, ±2 V, ±5 V, ±10 V |
| Analog Input Accuracy | 0.03% FSR |
| Maximum Sampling Rate | 10 kHz |
| Analog Outputs | 2 channels |
| Analog Output Range | 0–5 V |
| Analog Output Drive | +5 mA maximum per channel |
| Digital Inputs | 8 TTL-level inputs |
| Digital Outputs | 8 TTL-level outputs |
| Additional Digital I/O | 24 configurable DIO lines |
| Counter/Timer Channels | 6 (Intel 8254 compatible) |
| Interface Type | Parallel port (external converter) |
| Power Supply | +12 V DC, 2 A |
| Connectors | 2 × 50-pin headers, 1 × D-sub 37-pin male |
| Dimensions (W × D × H) | 200 mm × 300 mm × 30 mm |
| Enclosure Type | External module, metal housing |
| Software Drivers | Basic, C, Pascal |
| Operating Frequency | Up to 10 kHz (analog input conversion rate) |
### 4. Functionality
The Axiom PPDAS08 functions as an external data acquisition and control interface that connects to a host computer via the parallel port. It converts analog signals from sensors or transducers into digital data for processing, while also providing digital control outputs and analog signal generation capabilities.
Operational Overview:
- Analog Input Function:
The 16 single-ended analog input channels allow measurement of voltage signals from various sensors. The programmable gain amplifier (PGA) enables selection of input ranges to match signal levels, ensuring optimal resolution and accuracy.
- Analog Output Function:
Two analog output channels generate precise voltage signals (0–5 V) for controlling actuators, signal simulation, or feedback systems.
- Digital I/O Function:
The 8/8 TTL lines and 24 DIO lines provide flexible digital interfacing for switches, relays, LEDs, or logic-level devices. Each line can be configured for input or output depending on the application.
- Counter/Timer Function:
Six 8254-compatible counters/timers support event counting, frequency measurement, pulse-width modulation, and timing control.
Typical Applications:
- Laboratory instrumentation and test benches
- Industrial process monitoring and control
- Embedded system prototyping
- Educational and research data acquisition setups
- Signal conditioning and sensor interfacing
- Automation and robotics control systems
Compatibility:
- Compatible with standard PC parallel ports
- Supported by software drivers for Basic, C, and Pascal
- Can interface with external signal conditioning modules or breakout boards via 50-pin connectors
### 5. Components & Accessories
Included Components:
- PPDAS08 external converter module
- +12 V DC power supply (2 A rated)
- Parallel port connection cable (typically DB25 interface, depending on configuration)
- Software drivers and example programs for Basic, C, and Pascal
- User manual and technical documentation
Connectors:
- 2 × 50-pin headers: Provide access to analog and digital I/O channels
- 1 × D-sub 37-pin male connector: Additional digital or control interface
- Power connector: Standard DC input jack for +12 V DC supply
Optional Accessories (depending on configuration):
- Shielded I/O cables for noise-sensitive environments
- Breakout boards for easier signal wiring
- Mounting brackets or rack adapters
- Extended software libraries for advanced programming environments
### 6. Installation & Setup
Requirements:
- Host computer with a standard parallel port (IEEE 1284 compatible)
- +12 V DC regulated power supply (included)
- Operating environment within standard laboratory or industrial temperature ranges
Installation Steps:
1. Physical Mounting:
Place the PPDAS08 on a stable surface or mount it using optional brackets. Ensure adequate ventilation around the enclosure.
2. Power Connection:
Connect the supplied +12 V DC adapter to the power input jack. Verify correct polarity and voltage before powering on.
3. Interface Connection:
Connect the module to the PC’s parallel port using the provided cable. Secure the connectors to prevent accidental disconnection.
4. Signal Wiring:
Attach analog and digital signal lines to the appropriate 50-pin or D-sub connectors. Follow pinout diagrams provided in the manual.
5. Software Installation:
Install the provided drivers and libraries. Configure the software to recognize the PPDAS08 on the correct parallel port address.
6. Configuration:
Use the software tools or programming libraries to set input ranges, digital I/O directions, and counter/timer modes.
Mounting Options:
- Desktop placement
- Panel or rack mounting using optional hardware
- Integration into test systems or control cabinets
### 7. Performance & Capabilities
Analog Performance:
- High accuracy of 0.03% FSR ensures precise measurement and control.
- Programmable gain allows adaptation to a wide range of signal amplitudes.
- Sampling rate up to 10 kHz supports moderate-speed data acquisition tasks.
Digital Performance:
- TTL-level I/O ensures compatibility with standard logic circuits.
- 24 configurable DIO lines provide extensive digital control capability.
- Fast response suitable for real-time control and monitoring.
Counter/Timer Performance:
- Six 8254-compatible counters provide flexible timing and counting functions.
- Can be used for frequency measurement, pulse generation, or event counting.
Power and Efficiency:
- Operates efficiently from a +12 V DC supply at 2 A maximum current.
- Low power consumption relative to its I/O capacity.
Limitations:
- Maximum analog input sampling rate limited to 10 kHz, not suitable for high-speed waveform capture.
- Parallel port interface may limit data throughput compared to modern USB or PCI-based DAQ systems.
- Analog output limited to 0–5 V range and +5 mA drive current, suitable for signal control but not for high-power actuation.
### 8. Standards & Compliance
Electrical and Interface Standards:
- TTL logic levels for digital I/O (compatible with standard 5 V logic)
- Parallel port interface compliant with IEEE 1284 specifications
Component Standards:
- Counter/timer subsystem based on Intel 8254 standard architecture
- Analog circuitry designed for precision measurement applications
Regulatory Compliance (typical for Axiom products):
- CE marking for electromagnetic compatibility (EMC) and low-voltage directive compliance
- RoHS compliance for restriction of hazardous substances
- Designed and tested according to industrial-grade reliability standards
Software Compatibility:
- Compatible with DOS and Windows environments supporting Basic, C, and Pascal compilers
- Open driver architecture allows integration into custom applications
### 9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12 months) covering defects in materials and workmanship.
- Extended warranty options may be available through Axiom or authorized distributors.
Technical Support:
- Comprehensive technical documentation, including pinout diagrams, programming examples, and troubleshooting guides.
- Support available via Axiom’s technical service channels (email, phone, or online portal).
Maintenance:
- Minimal maintenance required; periodic inspection of connectors and cables recommended.
- Keep the device free from dust and moisture to ensure long-term reliability.
Firmware and Software Updates:
- Driver and library updates periodically released by Axiom to maintain compatibility with new operating systems and compilers.
- Users can download updates from the manufacturer’s website.
Service and Calibration:
- Factory calibration ensures initial accuracy; recalibration recommended periodically for precision applications.
- Service centers available for repair and recalibration.
Environmental Considerations:
- Designed for operation in standard laboratory or industrial environments.
- Recommended ambient temperature: 0 °C to +50 °C (typical).
- Storage temperature: –20 °C to +70 °C.
- Humidity: up to 85% non-condensing.
### Summary
The Axiom PPDAS08 AD Parallel Port External Converter is a robust, multifunctional data acquisition and control module that bridges analog and digital domains through a standard PC parallel port interface. With 16 analog inputs, 2 analog outputs, 32 digital I/O lines, and 6 counter/timer channels, it provides a comprehensive platform for measurement, automation, and control tasks. Its programmable gain, high accuracy (0.03% FSR), and broad voltage range support make it suitable for diverse signal types, while the included software drivers enable straightforward integration into custom applications.
Compact, reliable, and versatile, the PPDAS08 is ideal for engineers, researchers, and system integrators seeking a cost-effective external DAQ solution with both analog and digital capabilities.
End of Product Summary – PPDAS08 (Axiom)
### 1. Product Overview
Product Name: AD Parallel Port External Converter
Model: PPDAS08
Series: PPDAS Series – External Data Acquisition and Digital I/O Interface Modules
Article Number: PPDAS08
Manufacturer: Axiom
The Axiom PPDAS08 is a high-performance analog and digital I/O converter designed for use with parallel port interfaces. It provides a versatile combination of analog input, analog output, digital input/output, and counter/timer functions in a compact external module. The device is engineered for laboratory, industrial, and embedded data acquisition applications requiring precise analog-to-digital (AD) and digital-to-analog (DA) conversion, as well as flexible digital control and monitoring capabilities.
### 2. Key Features
- Comprehensive I/O Configuration:
- 16 single-ended analog input channels (16SE)
- 8 digital input channels (8DI)
- 8 TTL-level digital inputs and 8 TTL-level digital outputs (8/8 TTL)
- 24 additional digital I/O lines (24 DIO)
- High-Precision Analog Conversion:
- Programmable input gain ranges: 0–1 V, 0–2 V, 0–5 V, 0–10 V, ±1 V, ±2 V, ±5 V, ±10 V
- Accuracy: 0.03% of Full Scale Range (FSR)
- Sampling rate up to 10 kHz
- Dual Analog Output Channels:
- 2 DA channels with 0–5 V output range
- Maximum output current: +5 mA per channel
- Integrated Counter/Timer Functions:
- 6 independent counter/timer channels based on the Intel 8254 programmable interval timer architecture
- Suitable for event counting, frequency measurement, and pulse generation
- Parallel Port Interface:
- External converter designed for direct connection to a PC parallel port
- Provides high-speed data transfer and control without requiring internal PC slots
- Software Support:
- Includes drivers and libraries for Basic, C, and Pascal programming environments
- Enables rapid integration into custom data acquisition or control software
- Power Supply and Enclosure:
- Operates from a +12 V DC supply at up to 2 A
- Compact external housing for desktop or panel use
- Connectivity:
- Two 50-pin connectors for analog and digital I/O
- One D-sub 37-pin male connector for additional interfacing
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Model | PPDAS08 |
| Manufacturer | Axiom |
| Analog Inputs | 16 single-ended (16SE) |
| Analog Input Range | 0–1 V, 0–2 V, 0–5 V, 0–10 V, ±1 V, ±2 V, ±5 V, ±10 V |
| Analog Input Accuracy | 0.03% FSR |
| Maximum Sampling Rate | 10 kHz |
| Analog Outputs | 2 channels |
| Analog Output Range | 0–5 V |
| Analog Output Drive | +5 mA maximum per channel |
| Digital Inputs | 8 TTL-level inputs |
| Digital Outputs | 8 TTL-level outputs |
| Additional Digital I/O | 24 configurable DIO lines |
| Counter/Timer Channels | 6 (Intel 8254 compatible) |
| Interface Type | Parallel port (external converter) |
| Power Supply | +12 V DC, 2 A |
| Connectors | 2 × 50-pin headers, 1 × D-sub 37-pin male |
| Dimensions (W × D × H) | 200 mm × 300 mm × 30 mm |
| Enclosure Type | External module, metal housing |
| Software Drivers | Basic, C, Pascal |
| Operating Frequency | Up to 10 kHz (analog input conversion rate) |
### 4. Functionality
The Axiom PPDAS08 functions as an external data acquisition and control interface that connects to a host computer via the parallel port. It converts analog signals from sensors or transducers into digital data for processing, while also providing digital control outputs and analog signal generation capabilities.
Operational Overview:
- Analog Input Function:
The 16 single-ended analog input channels allow measurement of voltage signals from various sensors. The programmable gain amplifier (PGA) enables selection of input ranges to match signal levels, ensuring optimal resolution and accuracy.
- Analog Output Function:
Two analog output channels generate precise voltage signals (0–5 V) for controlling actuators, signal simulation, or feedback systems.
- Digital I/O Function:
The 8/8 TTL lines and 24 DIO lines provide flexible digital interfacing for switches, relays, LEDs, or logic-level devices. Each line can be configured for input or output depending on the application.
- Counter/Timer Function:
Six 8254-compatible counters/timers support event counting, frequency measurement, pulse-width modulation, and timing control.
Typical Applications:
- Laboratory instrumentation and test benches
- Industrial process monitoring and control
- Embedded system prototyping
- Educational and research data acquisition setups
- Signal conditioning and sensor interfacing
- Automation and robotics control systems
Compatibility:
- Compatible with standard PC parallel ports
- Supported by software drivers for Basic, C, and Pascal
- Can interface with external signal conditioning modules or breakout boards via 50-pin connectors
### 5. Components & Accessories
Included Components:
- PPDAS08 external converter module
- +12 V DC power supply (2 A rated)
- Parallel port connection cable (typically DB25 interface, depending on configuration)
- Software drivers and example programs for Basic, C, and Pascal
- User manual and technical documentation
Connectors:
- 2 × 50-pin headers: Provide access to analog and digital I/O channels
- 1 × D-sub 37-pin male connector: Additional digital or control interface
- Power connector: Standard DC input jack for +12 V DC supply
Optional Accessories (depending on configuration):
- Shielded I/O cables for noise-sensitive environments
- Breakout boards for easier signal wiring
- Mounting brackets or rack adapters
- Extended software libraries for advanced programming environments
### 6. Installation & Setup
Requirements:
- Host computer with a standard parallel port (IEEE 1284 compatible)
- +12 V DC regulated power supply (included)
- Operating environment within standard laboratory or industrial temperature ranges
Installation Steps:
1. Physical Mounting:
Place the PPDAS08 on a stable surface or mount it using optional brackets. Ensure adequate ventilation around the enclosure.
2. Power Connection:
Connect the supplied +12 V DC adapter to the power input jack. Verify correct polarity and voltage before powering on.
3. Interface Connection:
Connect the module to the PC’s parallel port using the provided cable. Secure the connectors to prevent accidental disconnection.
4. Signal Wiring:
Attach analog and digital signal lines to the appropriate 50-pin or D-sub connectors. Follow pinout diagrams provided in the manual.
5. Software Installation:
Install the provided drivers and libraries. Configure the software to recognize the PPDAS08 on the correct parallel port address.
6. Configuration:
Use the software tools or programming libraries to set input ranges, digital I/O directions, and counter/timer modes.
Mounting Options:
- Desktop placement
- Panel or rack mounting using optional hardware
- Integration into test systems or control cabinets
### 7. Performance & Capabilities
Analog Performance:
- High accuracy of 0.03% FSR ensures precise measurement and control.
- Programmable gain allows adaptation to a wide range of signal amplitudes.
- Sampling rate up to 10 kHz supports moderate-speed data acquisition tasks.
Digital Performance:
- TTL-level I/O ensures compatibility with standard logic circuits.
- 24 configurable DIO lines provide extensive digital control capability.
- Fast response suitable for real-time control and monitoring.
Counter/Timer Performance:
- Six 8254-compatible counters provide flexible timing and counting functions.
- Can be used for frequency measurement, pulse generation, or event counting.
Power and Efficiency:
- Operates efficiently from a +12 V DC supply at 2 A maximum current.
- Low power consumption relative to its I/O capacity.
Limitations:
- Maximum analog input sampling rate limited to 10 kHz, not suitable for high-speed waveform capture.
- Parallel port interface may limit data throughput compared to modern USB or PCI-based DAQ systems.
- Analog output limited to 0–5 V range and +5 mA drive current, suitable for signal control but not for high-power actuation.
### 8. Standards & Compliance
Electrical and Interface Standards:
- TTL logic levels for digital I/O (compatible with standard 5 V logic)
- Parallel port interface compliant with IEEE 1284 specifications
Component Standards:
- Counter/timer subsystem based on Intel 8254 standard architecture
- Analog circuitry designed for precision measurement applications
Regulatory Compliance (typical for Axiom products):
- CE marking for electromagnetic compatibility (EMC) and low-voltage directive compliance
- RoHS compliance for restriction of hazardous substances
- Designed and tested according to industrial-grade reliability standards
Software Compatibility:
- Compatible with DOS and Windows environments supporting Basic, C, and Pascal compilers
- Open driver architecture allows integration into custom applications
### 9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12 months) covering defects in materials and workmanship.
- Extended warranty options may be available through Axiom or authorized distributors.
Technical Support:
- Comprehensive technical documentation, including pinout diagrams, programming examples, and troubleshooting guides.
- Support available via Axiom’s technical service channels (email, phone, or online portal).
Maintenance:
- Minimal maintenance required; periodic inspection of connectors and cables recommended.
- Keep the device free from dust and moisture to ensure long-term reliability.
Firmware and Software Updates:
- Driver and library updates periodically released by Axiom to maintain compatibility with new operating systems and compilers.
- Users can download updates from the manufacturer’s website.
Service and Calibration:
- Factory calibration ensures initial accuracy; recalibration recommended periodically for precision applications.
- Service centers available for repair and recalibration.
Environmental Considerations:
- Designed for operation in standard laboratory or industrial environments.
- Recommended ambient temperature: 0 °C to +50 °C (typical).
- Storage temperature: –20 °C to +70 °C.
- Humidity: up to 85% non-condensing.
### Summary
The Axiom PPDAS08 AD Parallel Port External Converter is a robust, multifunctional data acquisition and control module that bridges analog and digital domains through a standard PC parallel port interface. With 16 analog inputs, 2 analog outputs, 32 digital I/O lines, and 6 counter/timer channels, it provides a comprehensive platform for measurement, automation, and control tasks. Its programmable gain, high accuracy (0.03% FSR), and broad voltage range support make it suitable for diverse signal types, while the included software drivers enable straightforward integration into custom applications.
Compact, reliable, and versatile, the PPDAS08 is ideal for engineers, researchers, and system integrators seeking a cost-effective external DAQ solution with both analog and digital capabilities.
End of Product Summary – PPDAS08 (Axiom)
No manuals/catalogs available.
No accessories available.
