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- 96 Digital I/O Channels: Provides a total of 96 TTL-level digital input/output lines, allowing for extensive signal interfacing and control.
- 8255 Mode 0 Emulation: Fully emulates the Intel 8255 PPI in Mode 0, ensuring compatibility with existing hardware and software designed around this standard.
- Interrupt Support (IRQ2–IRQ7): Supports interrupt-on-change functionality across IRQ2 through IRQ7, enabling responsive event-driven control and monitoring.
- Four 50-Pin Connectors: Equipped with four standard 50-pin headers for easy connection to external devices, terminal boards, or ribbon cables.
- Cross-Platform Driver Support: Includes driver packages for both Windows and Unix operating systems, simplifying integration into diverse computing environments.
- Compact Form Factor: Designed with a board dimension of 335 mm × 99 mm, suitable for installation in standard industrial PC chassis or custom enclosures.
- TTL Logic Compatibility: Operates with standard TTL voltage levels, ensuring reliable interfacing with a wide range of digital sensors, actuators, and control circuits.
- Flexible Configuration: Each channel can be configured as input or output, providing maximum flexibility for various control and monitoring tasks.
- Industrial Reliability: Built with high-quality components and PCB design standards to ensure long-term stability and consistent performance in demanding environments.
- 8255 Mode 0 Emulation: Fully emulates the Intel 8255 PPI in Mode 0, ensuring compatibility with existing hardware and software designed around this standard.
- Interrupt Support (IRQ2–IRQ7): Supports interrupt-on-change functionality across IRQ2 through IRQ7, enabling responsive event-driven control and monitoring.
- Four 50-Pin Connectors: Equipped with four standard 50-pin headers for easy connection to external devices, terminal boards, or ribbon cables.
- Cross-Platform Driver Support: Includes driver packages for both Windows and Unix operating systems, simplifying integration into diverse computing environments.
- Compact Form Factor: Designed with a board dimension of 335 mm × 99 mm, suitable for installation in standard industrial PC chassis or custom enclosures.
- TTL Logic Compatibility: Operates with standard TTL voltage levels, ensuring reliable interfacing with a wide range of digital sensors, actuators, and control circuits.
- Flexible Configuration: Each channel can be configured as input or output, providing maximum flexibility for various control and monitoring tasks.
- Industrial Reliability: Built with high-quality components and PCB design standards to ensure long-term stability and consistent performance in demanding environments.
1. Product Overview
Product Name: AX5215
Model Number: AX5215
Series: AX5000 Series Digital I/O Interface Cards
Article Number: AX5215
Manufacturer: Axiom
The Axiom AX5215 is a high-density digital input/output (DIO) interface card designed for industrial automation, data acquisition, and control system applications. It provides 96 channels of TTL-compatible digital I/O and is engineered to emulate the Intel 8255 Programmable Peripheral Interface (PPI) operating in Mode 0. This compatibility ensures seamless integration with legacy systems and software that rely on 8255-based I/O architectures. The AX5215 is built for robust performance, offering flexible interrupt handling, multiple connector interfaces, and cross-platform driver support for both Windows and Unix environments.
2. Key Features
- 96 Digital I/O Channels: Provides a total of 96 TTL-level digital input/output lines, allowing for extensive signal interfacing and control.
- 8255 Mode 0 Emulation: Fully emulates the Intel 8255 PPI in Mode 0, ensuring compatibility with existing hardware and software designed around this standard.
- Interrupt Support (IRQ2–IRQ7): Supports interrupt-on-change functionality across IRQ2 through IRQ7, enabling responsive event-driven control and monitoring.
- Four 50-Pin Connectors: Equipped with four standard 50-pin headers for easy connection to external devices, terminal boards, or ribbon cables.
- Cross-Platform Driver Support: Includes driver packages for both Windows and Unix operating systems, simplifying integration into diverse computing environments.
- Compact Form Factor: Designed with a board dimension of 335 mm × 99 mm, suitable for installation in standard industrial PC chassis or custom enclosures.
- TTL Logic Compatibility: Operates with standard TTL voltage levels, ensuring reliable interfacing with a wide range of digital sensors, actuators, and control circuits.
- Flexible Configuration: Each channel can be configured as input or output, providing maximum flexibility for various control and monitoring tasks.
- Industrial Reliability: Built with high-quality components and PCB design standards to ensure long-term stability and consistent performance in demanding environments.
3. Technical Specifications
- Digital I/O Channels: 96 channels (configurable as input or output)
- Logic Type: TTL-compatible (Transistor-Transistor Logic)
- Emulation Mode: Intel 8255 Mode 0
- Interrupt Lines: IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 (change-of-state interrupt capability)
- Connectors: 4 × 50-pin headers (standard IDC type)
- Board Dimensions: 335 mm (length) × 99 mm (width)
- Weight: Approximately 250–300 g (typical, depending on configuration)
- Operating Voltage: 5 V DC (TTL logic level)
- Input Voltage Range: 0–5 V (TTL standard)
- Output Drive Capability: TTL output, capable of sourcing and sinking standard TTL currents
- Signal Type: Digital input/output (no analog channels)
- Operating Temperature Range: 0°C to +50°C (typical industrial operating range)
- Storage Temperature Range: -20°C to +70°C
- Relative Humidity: 10%–90% non-condensing
- Bus Interface: Compatible with standard PC/industrial bus (specific bus type dependent on system integration)
- Driver Support: Windows and Unix operating systems
- PCB Material: High-grade FR-4 epoxy glass laminate
- Mounting Type: Internal card installation (chassis or rack-mount system)
4. Functionality
The AX5215 functions as a high-density digital I/O interface card that allows a host computer to monitor and control external digital devices. Each of the 96 channels can be individually configured as an input or output, enabling flexible adaptation to a wide range of applications.
The card emulates the Intel 8255 PPI in Mode 0, which is a simple input/output mode where each port can be programmed as either input or output without handshaking. This makes the AX5215 ideal for applications requiring straightforward digital control, such as reading switch states, driving LEDs, controlling relays, or interfacing with digital sensors and actuators.
Typical Use Cases:
- Industrial automation and process control systems
- Machine monitoring and control panels
- Data acquisition and signal monitoring
- Laboratory instrumentation and test setups
- Embedded control systems requiring parallel digital I/O
- Legacy system upgrades where 8255 compatibility is required
Compatibility:
The AX5215 is compatible with a wide range of operating systems and development environments. With available drivers for Windows and Unix, it can be integrated into both modern and legacy computing platforms. The 8255 emulation ensures that existing software written for 8255-based I/O cards can operate with minimal or no modification.
5. Components & Accessories
Included Items:
- AX5215 96-channel DIO card
- Driver software package (Windows and Unix)
- User manual and installation guide
- Configuration utility (if applicable)
Optional Accessories:
- 50-pin ribbon cables for external connection
- Terminal boards or breakout modules for easy wiring
- Mounting brackets or chassis adapters
- External power supply (if required for peripheral devices)
Connectors:
The card features four 50-pin IDC connectors, each providing access to 24 digital I/O lines. These connectors are designed for standard ribbon cable interfaces, allowing direct connection to external terminal boards or custom wiring harnesses.
6. Installation & Setup
Requirements:
- Compatible host system with available expansion slot (depending on bus type)
- Operating system: Windows or Unix (driver support provided)
- Power supply: 5 V DC (supplied via system bus)
Mounting Options:
The AX5215 is designed for internal installation within a PC or industrial computer chassis. It can be mounted horizontally or vertically depending on system layout. The 335 mm × 99 mm board size fits standard industrial enclosures.
Configuration:
- Install the card into the designated expansion slot.
- Connect external devices via the 50-pin connectors using appropriate cables.
- Install the provided driver software and verify device recognition in the operating system.
- Configure I/O direction (input/output) and interrupt settings through the driver or application software.
- Test I/O functionality using the included diagnostic utilities or custom software.
Driver Installation:
The supplied driver package includes installation scripts and configuration files for both Windows and Unix systems. Once installed, the card can be accessed through standard API calls or direct I/O port addressing, depending on the application environment.
7. Performance & Capabilities
Speed:
The AX5215 supports high-speed digital I/O operations consistent with TTL logic switching rates. The exact throughput depends on the host system’s bus speed and software implementation, but the card is optimized for low-latency digital control and monitoring.
Capacity:
With 96 independent digital channels, the AX5215 provides extensive capacity for large-scale control systems, allowing simultaneous monitoring and actuation of multiple devices.
Efficiency:
The card’s 8255 emulation ensures efficient communication between the host and peripheral devices, minimizing software overhead. Interrupt-driven operation (IRQ2–IRQ7) further enhances efficiency by allowing event-based processing rather than continuous polling.
Limitations:
- TTL-level operation restricts direct interfacing with high-voltage or high-current devices without external buffering or isolation.
- Mode 0 operation does not support handshaking or bidirectional data transfer modes.
- The card is designed for digital signals only; analog input/output is not supported.
8. Standards & Compliance
Electrical Standards:
- TTL logic level compliance (0–5 V)
- Conforms to standard digital I/O signaling conventions
Regulatory Compliance:
- Designed to meet CE and FCC Class A requirements for electromagnetic compatibility (typical for industrial I/O cards)
- Manufactured in accordance with RoHS (Restriction of Hazardous Substances) directives
Industry Standards:
- Emulates Intel 8255 PPI Mode 0 standard
- Compatible with standard 50-pin IDC connector pinouts used in industrial I/O systems
- Designed following IPC-A-610 standards for electronic assembly quality
Software Standards:
- Driver interfaces conform to standard Windows and Unix device driver models
- Supports standard I/O addressing and interrupt handling conventions
9. Additional Information
Warranty:
The AX5215 typically includes a manufacturer’s limited warranty covering defects in materials and workmanship for a specified period (commonly one year, depending on region and distributor).
Technical Support:
Axiom provides comprehensive technical support, including driver updates, installation assistance, and troubleshooting guidance. Documentation includes detailed pin assignments, register maps, and programming examples to facilitate integration.
Maintenance:
The card requires minimal maintenance. Periodic inspection for dust accumulation and secure connector seating is recommended. No user-serviceable internal components are present.
Software Updates:
Driver and firmware updates (if applicable) are available through Axiom’s support portal. Updates may include compatibility enhancements, bug fixes, and performance improvements for supported operating systems.
Service & Replacement:
In the event of hardware failure, Axiom offers repair or replacement services under warranty terms. Extended service contracts may be available for industrial customers requiring long-term support.
Documentation:
Comprehensive documentation includes:
- User manual with installation and configuration instructions
- Electrical and mechanical specifications
- Connector pinout diagrams
- Example code for digital I/O operations
- Troubleshooting and diagnostic procedures
Summary
The Axiom AX5215 96 DIO Card is a robust, high-density digital input/output solution designed for industrial and laboratory applications requiring reliable TTL-level interfacing. Its 8255 Mode 0 emulation ensures compatibility with legacy systems, while 96 configurable channels provide extensive flexibility for modern automation and control tasks. With interrupt support (IRQ2–IRQ7), four 50-pin connectors, and cross-platform drivers for Windows and Unix, the AX5215 delivers a powerful combination of performance, compatibility, and ease of integration.
Engineered to meet industrial standards for reliability and compliance, the AX5215 is ideal for engineers, system integrators, and developers seeking a dependable digital I/O interface for data acquisition, control, and monitoring applications.
Product Name: AX5215
Model Number: AX5215
Series: AX5000 Series Digital I/O Interface Cards
Article Number: AX5215
Manufacturer: Axiom
The Axiom AX5215 is a high-density digital input/output (DIO) interface card designed for industrial automation, data acquisition, and control system applications. It provides 96 channels of TTL-compatible digital I/O and is engineered to emulate the Intel 8255 Programmable Peripheral Interface (PPI) operating in Mode 0. This compatibility ensures seamless integration with legacy systems and software that rely on 8255-based I/O architectures. The AX5215 is built for robust performance, offering flexible interrupt handling, multiple connector interfaces, and cross-platform driver support for both Windows and Unix environments.
2. Key Features
- 96 Digital I/O Channels: Provides a total of 96 TTL-level digital input/output lines, allowing for extensive signal interfacing and control.
- 8255 Mode 0 Emulation: Fully emulates the Intel 8255 PPI in Mode 0, ensuring compatibility with existing hardware and software designed around this standard.
- Interrupt Support (IRQ2–IRQ7): Supports interrupt-on-change functionality across IRQ2 through IRQ7, enabling responsive event-driven control and monitoring.
- Four 50-Pin Connectors: Equipped with four standard 50-pin headers for easy connection to external devices, terminal boards, or ribbon cables.
- Cross-Platform Driver Support: Includes driver packages for both Windows and Unix operating systems, simplifying integration into diverse computing environments.
- Compact Form Factor: Designed with a board dimension of 335 mm × 99 mm, suitable for installation in standard industrial PC chassis or custom enclosures.
- TTL Logic Compatibility: Operates with standard TTL voltage levels, ensuring reliable interfacing with a wide range of digital sensors, actuators, and control circuits.
- Flexible Configuration: Each channel can be configured as input or output, providing maximum flexibility for various control and monitoring tasks.
- Industrial Reliability: Built with high-quality components and PCB design standards to ensure long-term stability and consistent performance in demanding environments.
3. Technical Specifications
- Digital I/O Channels: 96 channels (configurable as input or output)
- Logic Type: TTL-compatible (Transistor-Transistor Logic)
- Emulation Mode: Intel 8255 Mode 0
- Interrupt Lines: IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 (change-of-state interrupt capability)
- Connectors: 4 × 50-pin headers (standard IDC type)
- Board Dimensions: 335 mm (length) × 99 mm (width)
- Weight: Approximately 250–300 g (typical, depending on configuration)
- Operating Voltage: 5 V DC (TTL logic level)
- Input Voltage Range: 0–5 V (TTL standard)
- Output Drive Capability: TTL output, capable of sourcing and sinking standard TTL currents
- Signal Type: Digital input/output (no analog channels)
- Operating Temperature Range: 0°C to +50°C (typical industrial operating range)
- Storage Temperature Range: -20°C to +70°C
- Relative Humidity: 10%–90% non-condensing
- Bus Interface: Compatible with standard PC/industrial bus (specific bus type dependent on system integration)
- Driver Support: Windows and Unix operating systems
- PCB Material: High-grade FR-4 epoxy glass laminate
- Mounting Type: Internal card installation (chassis or rack-mount system)
4. Functionality
The AX5215 functions as a high-density digital I/O interface card that allows a host computer to monitor and control external digital devices. Each of the 96 channels can be individually configured as an input or output, enabling flexible adaptation to a wide range of applications.
The card emulates the Intel 8255 PPI in Mode 0, which is a simple input/output mode where each port can be programmed as either input or output without handshaking. This makes the AX5215 ideal for applications requiring straightforward digital control, such as reading switch states, driving LEDs, controlling relays, or interfacing with digital sensors and actuators.
Typical Use Cases:
- Industrial automation and process control systems
- Machine monitoring and control panels
- Data acquisition and signal monitoring
- Laboratory instrumentation and test setups
- Embedded control systems requiring parallel digital I/O
- Legacy system upgrades where 8255 compatibility is required
Compatibility:
The AX5215 is compatible with a wide range of operating systems and development environments. With available drivers for Windows and Unix, it can be integrated into both modern and legacy computing platforms. The 8255 emulation ensures that existing software written for 8255-based I/O cards can operate with minimal or no modification.
5. Components & Accessories
Included Items:
- AX5215 96-channel DIO card
- Driver software package (Windows and Unix)
- User manual and installation guide
- Configuration utility (if applicable)
Optional Accessories:
- 50-pin ribbon cables for external connection
- Terminal boards or breakout modules for easy wiring
- Mounting brackets or chassis adapters
- External power supply (if required for peripheral devices)
Connectors:
The card features four 50-pin IDC connectors, each providing access to 24 digital I/O lines. These connectors are designed for standard ribbon cable interfaces, allowing direct connection to external terminal boards or custom wiring harnesses.
6. Installation & Setup
Requirements:
- Compatible host system with available expansion slot (depending on bus type)
- Operating system: Windows or Unix (driver support provided)
- Power supply: 5 V DC (supplied via system bus)
Mounting Options:
The AX5215 is designed for internal installation within a PC or industrial computer chassis. It can be mounted horizontally or vertically depending on system layout. The 335 mm × 99 mm board size fits standard industrial enclosures.
Configuration:
- Install the card into the designated expansion slot.
- Connect external devices via the 50-pin connectors using appropriate cables.
- Install the provided driver software and verify device recognition in the operating system.
- Configure I/O direction (input/output) and interrupt settings through the driver or application software.
- Test I/O functionality using the included diagnostic utilities or custom software.
Driver Installation:
The supplied driver package includes installation scripts and configuration files for both Windows and Unix systems. Once installed, the card can be accessed through standard API calls or direct I/O port addressing, depending on the application environment.
7. Performance & Capabilities
Speed:
The AX5215 supports high-speed digital I/O operations consistent with TTL logic switching rates. The exact throughput depends on the host system’s bus speed and software implementation, but the card is optimized for low-latency digital control and monitoring.
Capacity:
With 96 independent digital channels, the AX5215 provides extensive capacity for large-scale control systems, allowing simultaneous monitoring and actuation of multiple devices.
Efficiency:
The card’s 8255 emulation ensures efficient communication between the host and peripheral devices, minimizing software overhead. Interrupt-driven operation (IRQ2–IRQ7) further enhances efficiency by allowing event-based processing rather than continuous polling.
Limitations:
- TTL-level operation restricts direct interfacing with high-voltage or high-current devices without external buffering or isolation.
- Mode 0 operation does not support handshaking or bidirectional data transfer modes.
- The card is designed for digital signals only; analog input/output is not supported.
8. Standards & Compliance
Electrical Standards:
- TTL logic level compliance (0–5 V)
- Conforms to standard digital I/O signaling conventions
Regulatory Compliance:
- Designed to meet CE and FCC Class A requirements for electromagnetic compatibility (typical for industrial I/O cards)
- Manufactured in accordance with RoHS (Restriction of Hazardous Substances) directives
Industry Standards:
- Emulates Intel 8255 PPI Mode 0 standard
- Compatible with standard 50-pin IDC connector pinouts used in industrial I/O systems
- Designed following IPC-A-610 standards for electronic assembly quality
Software Standards:
- Driver interfaces conform to standard Windows and Unix device driver models
- Supports standard I/O addressing and interrupt handling conventions
9. Additional Information
Warranty:
The AX5215 typically includes a manufacturer’s limited warranty covering defects in materials and workmanship for a specified period (commonly one year, depending on region and distributor).
Technical Support:
Axiom provides comprehensive technical support, including driver updates, installation assistance, and troubleshooting guidance. Documentation includes detailed pin assignments, register maps, and programming examples to facilitate integration.
Maintenance:
The card requires minimal maintenance. Periodic inspection for dust accumulation and secure connector seating is recommended. No user-serviceable internal components are present.
Software Updates:
Driver and firmware updates (if applicable) are available through Axiom’s support portal. Updates may include compatibility enhancements, bug fixes, and performance improvements for supported operating systems.
Service & Replacement:
In the event of hardware failure, Axiom offers repair or replacement services under warranty terms. Extended service contracts may be available for industrial customers requiring long-term support.
Documentation:
Comprehensive documentation includes:
- User manual with installation and configuration instructions
- Electrical and mechanical specifications
- Connector pinout diagrams
- Example code for digital I/O operations
- Troubleshooting and diagnostic procedures
Summary
The Axiom AX5215 96 DIO Card is a robust, high-density digital input/output solution designed for industrial and laboratory applications requiring reliable TTL-level interfacing. Its 8255 Mode 0 emulation ensures compatibility with legacy systems, while 96 configurable channels provide extensive flexibility for modern automation and control tasks. With interrupt support (IRQ2–IRQ7), four 50-pin connectors, and cross-platform drivers for Windows and Unix, the AX5215 delivers a powerful combination of performance, compatibility, and ease of integration.
Engineered to meet industrial standards for reliability and compliance, the AX5215 is ideal for engineers, system integrators, and developers seeking a dependable digital I/O interface for data acquisition, control, and monitoring applications.
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