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- 48 Digital I/O Channels: Provides 48 individually programmable digital input/output lines for versatile control and monitoring applications.
- 8255 Mode 0 Emulation: Fully emulates the Intel 8255 PPI in Mode 0, ensuring compatibility with existing software and hardware systems that rely on this standard interface.
- ISA Bus Interface: Designed for the AT ISA bus architecture, making it suitable for legacy industrial PCs and embedded systems requiring stable and deterministic I/O performance.
- TTL-Level I/O: Supports standard Transistor-Transistor Logic (TTL) voltage levels for direct interfacing with sensors, switches, relays, and other digital devices.
- Interrupt Support (IRQ2–IRQ7): Provides interrupt-driven operation with selectable interrupt request lines (IRQ2 through IRQ7) for responsive event handling and efficient CPU utilization.
- Dual 50-Pin Connectors: Equipped with two 50-pin headers for easy connection to external devices, terminal boards, or ribbon cables, simplifying wiring and integration.
- Compact Form Factor: Measures 258 mm × 99 mm, optimized for installation in standard ISA slots without obstructing adjacent components.
- Cross-Platform Driver Support: Compatible with both Windows and Unix operating systems, with dedicated drivers and software libraries available for seamless integration.
- Industrial-Grade Reliability: Built with high-quality components and PCB design standards to ensure long-term stability in demanding industrial environments.
- 8255 Mode 0 Emulation: Fully emulates the Intel 8255 PPI in Mode 0, ensuring compatibility with existing software and hardware systems that rely on this standard interface.
- ISA Bus Interface: Designed for the AT ISA bus architecture, making it suitable for legacy industrial PCs and embedded systems requiring stable and deterministic I/O performance.
- TTL-Level I/O: Supports standard Transistor-Transistor Logic (TTL) voltage levels for direct interfacing with sensors, switches, relays, and other digital devices.
- Interrupt Support (IRQ2–IRQ7): Provides interrupt-driven operation with selectable interrupt request lines (IRQ2 through IRQ7) for responsive event handling and efficient CPU utilization.
- Dual 50-Pin Connectors: Equipped with two 50-pin headers for easy connection to external devices, terminal boards, or ribbon cables, simplifying wiring and integration.
- Compact Form Factor: Measures 258 mm × 99 mm, optimized for installation in standard ISA slots without obstructing adjacent components.
- Cross-Platform Driver Support: Compatible with both Windows and Unix operating systems, with dedicated drivers and software libraries available for seamless integration.
- Industrial-Grade Reliability: Built with high-quality components and PCB design standards to ensure long-term stability in demanding industrial environments.
1. Product Overview
Product Name: AX5214H
Model Number: AX5214H
Series: AX5000 Series Digital I/O Interface Cards
Article Number: AX5214H
Manufacturer: Axiom
The Axiom AX5214H is a high-performance 48-channel Digital Input/Output (DIO) interface card designed for use in AT ISA bus-based industrial and embedded computer systems. It provides a flexible and reliable digital I/O solution that emulates the Intel 8255 Programmable Peripheral Interface (PPI) in Mode 0, ensuring compatibility with a wide range of legacy and modern control applications. The card is engineered for TTL-level digital signal interfacing, offering robust performance for industrial automation, data acquisition, and control system integration.
2. Key Features
- 48 Digital I/O Channels: Provides 48 individually programmable digital input/output lines for versatile control and monitoring applications.
- 8255 Mode 0 Emulation: Fully emulates the Intel 8255 PPI in Mode 0, ensuring compatibility with existing software and hardware systems that rely on this standard interface.
- ISA Bus Interface: Designed for the AT ISA bus architecture, making it suitable for legacy industrial PCs and embedded systems requiring stable and deterministic I/O performance.
- TTL-Level I/O: Supports standard Transistor-Transistor Logic (TTL) voltage levels for direct interfacing with sensors, switches, relays, and other digital devices.
- Interrupt Support (IRQ2–IRQ7): Provides interrupt-driven operation with selectable interrupt request lines (IRQ2 through IRQ7) for responsive event handling and efficient CPU utilization.
- Dual 50-Pin Connectors: Equipped with two 50-pin headers for easy connection to external devices, terminal boards, or ribbon cables, simplifying wiring and integration.
- Compact Form Factor: Measures 258 mm × 99 mm, optimized for installation in standard ISA slots without obstructing adjacent components.
- Cross-Platform Driver Support: Compatible with both Windows and Unix operating systems, with dedicated drivers and software libraries available for seamless integration.
- Industrial-Grade Reliability: Built with high-quality components and PCB design standards to ensure long-term stability in demanding industrial environments.
3. Technical Specifications
- Bus Interface: AT ISA bus
- Digital I/O Channels: 48 channels (configurable as input or output)
- I/O Type: TTL-compatible digital input/output
- Emulation Mode: Intel 8255 PPI Mode 0
- Interrupt Lines: Selectable IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7
- Connectors: 2 × 50-pin headers (standard IDC type)
- Dimensions: 258 mm (length) × 99 mm (height)
- Weight: Approximately 200–250 g (typical, depending on configuration)
- Operating Voltage: 5 V DC (supplied via ISA bus)
- Power Consumption: Low power design, typically < 2 W
- Signal Levels:
- Logic High (Input): 2.0 V min
- Logic Low (Input): 0.8 V max
- Logic High (Output): ≥ 2.4 V
- Logic Low (Output): ≤ 0.4 V
- Input Current: Typically 20 µA per channel
- Output Drive Capability: Up to 2.5 mA source, 24 mA sink per channel
- Operating Temperature: 0°C to +60°C (industrial operating range)
- Storage Temperature: -20°C to +85°C
- Humidity: 5% to 95% RH, non-condensing
- PCB Material: FR-4 industrial-grade multilayer PCB
- Mounting: Standard full-length ISA card form factor
4. Functionality
The AX5214H operates as a digital I/O expansion card that interfaces directly with the ISA bus of a host computer. It functions by mapping its 48 digital I/O lines into the system’s I/O address space, allowing software applications to read or write digital signals through standard I/O port operations.
The card’s 8255 Mode 0 emulation provides three 8-bit ports per 8255 equivalent, each configurable as input or output. The AX5214H integrates multiple such ports to achieve a total of 48 channels. This design allows developers to use existing 8255-compatible software drivers and libraries without modification.
Use Cases and Applications:
- Industrial automation and process control
- Machine monitoring and control systems
- Data acquisition and signal monitoring
- Laboratory instrumentation and test benches
- Embedded control systems in manufacturing equipment
- Digital signal interfacing for sensors, switches, and actuators
- Legacy system upgrades requiring ISA-based I/O expansion
Compatibility:
- Compatible with standard AT ISA bus systems
- Supported by Axiom’s Windows and Unix drivers
- Works with most programming environments supporting direct I/O access (C/C++, LabVIEW, etc.)
5. Components & Accessories
Included Items:
- AX5214H 48-channel DIO ISA card
- Driver and software package (Windows and Unix)
- User manual and installation guide
- Warranty documentation
Optional Accessories:
- 50-pin ribbon cables for external connection
- Terminal boards for screw-type wiring connections
- DIN-rail mounting breakout modules
- Shielded cable assemblies for noise-sensitive environments
Connectors:
- Two 50-pin IDC male headers, each providing 24 digital I/O lines
- Pin assignments follow standard 8255-compatible mapping for easy integration with existing accessories
6. Installation & Setup
System Requirements:
- AT-compatible computer with available ISA slot
- 5 V DC power supply via ISA bus
- Supported operating system (Windows or Unix)
Installation Steps:
1. Power off the host system and disconnect it from the power source.
2. Insert the AX5214H card into an available ISA slot, ensuring proper alignment and secure seating.
3. Connect external devices or terminal boards to the 50-pin headers using appropriate ribbon cables.
4. Configure the desired interrupt line (IRQ2–IRQ7) using onboard jumpers or DIP switches (if applicable).
5. Power on the system and install the provided driver package.
6. Verify device recognition through the operating system’s device manager or Axiom configuration utility.
7. Test digital I/O functionality using sample programs or diagnostic tools included with the driver package.
Mounting Options:
- Standard internal ISA slot mounting
- Optional external breakout boards for panel or DIN-rail installation
Configuration:
- Software-configurable I/O direction (input/output)
- Hardware-selectable interrupt lines
- Address range selection via onboard jumpers (if required by system configuration)
7. Performance & Capabilities
The AX5214H delivers reliable and deterministic digital I/O performance suitable for time-critical industrial control applications. Its TTL-level I/O ensures compatibility with a wide range of digital devices, while the interrupt-driven architecture allows for efficient event handling without excessive CPU polling.
Performance Highlights:
- High-Speed I/O Access: Direct ISA bus interfacing enables low-latency digital signal processing.
- Stable Operation: Hardware-based 8255 emulation ensures predictable timing and compatibility.
- Scalability: Multiple AX5214H cards can be installed in a single system to expand I/O capacity up to hundreds of channels.
- Low Power Consumption: Efficient design minimizes heat generation and power draw.
- Signal Integrity: Short trace lengths and high-quality PCB layout reduce noise and crosstalk.
Limitations:
- Designed for ISA bus systems only (not compatible with PCI or PCIe without adapters).
- TTL-level I/O may require external buffering for high-current or high-voltage applications.
- Limited to 8255 Mode 0 operation (no Mode 1 or Mode 2 support).
8. Standards & Compliance
- Bus Standard: AT ISA (Industry Standard Architecture)
- Electrical Interface: TTL-compatible digital I/O
- Emulation Standard: Intel 8255 PPI Mode 0
- Environmental Compliance: RoHS-compliant manufacturing process
- Quality Assurance: Manufactured under ISO 9001-certified quality management system
- EMC Compliance: Designed to meet CE and FCC Class A requirements for electromagnetic compatibility
- Safety Standards: Conforms to standard industrial safety and reliability guidelines
9. Additional Information
Warranty:
- Standard 1-year limited warranty covering manufacturing defects and component failures under normal operating conditions.
Technical Support:
- Comprehensive technical support available via Axiom’s online portal, including driver downloads, FAQs, and troubleshooting guides.
- Email and phone support provided by Axiom’s engineering team for integration and configuration assistance.
Maintenance:
- No routine maintenance required beyond standard dust removal and connector inspection.
- Periodic verification of cable connections and signal integrity recommended for long-term installations.
Software & Driver Updates:
- Regular driver updates available for supported operating systems (Windows and Unix).
- Example source code and API documentation provided for custom software development.
- Backward compatibility maintained with previous Axiom DIO card generations.
Lifecycle & Availability:
- Long-term product availability ensured for industrial customers requiring extended lifecycle support.
- Replacement and upgrade options available within the Axiom AX5000 DIO card family.
Summary
The Axiom AX5214H 48 DIO AT ISA Card is a robust, industrial-grade digital I/O interface solution that combines legacy ISA bus compatibility with modern software support. Its 48 TTL-level I/O channels, 8255 Mode 0 emulation, and interrupt-driven architecture make it ideal for a wide range of industrial automation, control, and data acquisition applications. With dual 50-pin connectors, cross-platform driver support, and compact design, the AX5214H provides a reliable and efficient means of expanding digital I/O capabilities in embedded and industrial PC systems.
Engineered for durability, compatibility, and ease of integration, the AX5214H continues Axiom’s tradition of delivering high-quality, long-lifecycle industrial interface products that meet the demanding requirements of engineers, system integrators, and OEMs worldwide.
Product Name: AX5214H
Model Number: AX5214H
Series: AX5000 Series Digital I/O Interface Cards
Article Number: AX5214H
Manufacturer: Axiom
The Axiom AX5214H is a high-performance 48-channel Digital Input/Output (DIO) interface card designed for use in AT ISA bus-based industrial and embedded computer systems. It provides a flexible and reliable digital I/O solution that emulates the Intel 8255 Programmable Peripheral Interface (PPI) in Mode 0, ensuring compatibility with a wide range of legacy and modern control applications. The card is engineered for TTL-level digital signal interfacing, offering robust performance for industrial automation, data acquisition, and control system integration.
2. Key Features
- 48 Digital I/O Channels: Provides 48 individually programmable digital input/output lines for versatile control and monitoring applications.
- 8255 Mode 0 Emulation: Fully emulates the Intel 8255 PPI in Mode 0, ensuring compatibility with existing software and hardware systems that rely on this standard interface.
- ISA Bus Interface: Designed for the AT ISA bus architecture, making it suitable for legacy industrial PCs and embedded systems requiring stable and deterministic I/O performance.
- TTL-Level I/O: Supports standard Transistor-Transistor Logic (TTL) voltage levels for direct interfacing with sensors, switches, relays, and other digital devices.
- Interrupt Support (IRQ2–IRQ7): Provides interrupt-driven operation with selectable interrupt request lines (IRQ2 through IRQ7) for responsive event handling and efficient CPU utilization.
- Dual 50-Pin Connectors: Equipped with two 50-pin headers for easy connection to external devices, terminal boards, or ribbon cables, simplifying wiring and integration.
- Compact Form Factor: Measures 258 mm × 99 mm, optimized for installation in standard ISA slots without obstructing adjacent components.
- Cross-Platform Driver Support: Compatible with both Windows and Unix operating systems, with dedicated drivers and software libraries available for seamless integration.
- Industrial-Grade Reliability: Built with high-quality components and PCB design standards to ensure long-term stability in demanding industrial environments.
3. Technical Specifications
- Bus Interface: AT ISA bus
- Digital I/O Channels: 48 channels (configurable as input or output)
- I/O Type: TTL-compatible digital input/output
- Emulation Mode: Intel 8255 PPI Mode 0
- Interrupt Lines: Selectable IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7
- Connectors: 2 × 50-pin headers (standard IDC type)
- Dimensions: 258 mm (length) × 99 mm (height)
- Weight: Approximately 200–250 g (typical, depending on configuration)
- Operating Voltage: 5 V DC (supplied via ISA bus)
- Power Consumption: Low power design, typically < 2 W
- Signal Levels:
- Logic High (Input): 2.0 V min
- Logic Low (Input): 0.8 V max
- Logic High (Output): ≥ 2.4 V
- Logic Low (Output): ≤ 0.4 V
- Input Current: Typically 20 µA per channel
- Output Drive Capability: Up to 2.5 mA source, 24 mA sink per channel
- Operating Temperature: 0°C to +60°C (industrial operating range)
- Storage Temperature: -20°C to +85°C
- Humidity: 5% to 95% RH, non-condensing
- PCB Material: FR-4 industrial-grade multilayer PCB
- Mounting: Standard full-length ISA card form factor
4. Functionality
The AX5214H operates as a digital I/O expansion card that interfaces directly with the ISA bus of a host computer. It functions by mapping its 48 digital I/O lines into the system’s I/O address space, allowing software applications to read or write digital signals through standard I/O port operations.
The card’s 8255 Mode 0 emulation provides three 8-bit ports per 8255 equivalent, each configurable as input or output. The AX5214H integrates multiple such ports to achieve a total of 48 channels. This design allows developers to use existing 8255-compatible software drivers and libraries without modification.
Use Cases and Applications:
- Industrial automation and process control
- Machine monitoring and control systems
- Data acquisition and signal monitoring
- Laboratory instrumentation and test benches
- Embedded control systems in manufacturing equipment
- Digital signal interfacing for sensors, switches, and actuators
- Legacy system upgrades requiring ISA-based I/O expansion
Compatibility:
- Compatible with standard AT ISA bus systems
- Supported by Axiom’s Windows and Unix drivers
- Works with most programming environments supporting direct I/O access (C/C++, LabVIEW, etc.)
5. Components & Accessories
Included Items:
- AX5214H 48-channel DIO ISA card
- Driver and software package (Windows and Unix)
- User manual and installation guide
- Warranty documentation
Optional Accessories:
- 50-pin ribbon cables for external connection
- Terminal boards for screw-type wiring connections
- DIN-rail mounting breakout modules
- Shielded cable assemblies for noise-sensitive environments
Connectors:
- Two 50-pin IDC male headers, each providing 24 digital I/O lines
- Pin assignments follow standard 8255-compatible mapping for easy integration with existing accessories
6. Installation & Setup
System Requirements:
- AT-compatible computer with available ISA slot
- 5 V DC power supply via ISA bus
- Supported operating system (Windows or Unix)
Installation Steps:
1. Power off the host system and disconnect it from the power source.
2. Insert the AX5214H card into an available ISA slot, ensuring proper alignment and secure seating.
3. Connect external devices or terminal boards to the 50-pin headers using appropriate ribbon cables.
4. Configure the desired interrupt line (IRQ2–IRQ7) using onboard jumpers or DIP switches (if applicable).
5. Power on the system and install the provided driver package.
6. Verify device recognition through the operating system’s device manager or Axiom configuration utility.
7. Test digital I/O functionality using sample programs or diagnostic tools included with the driver package.
Mounting Options:
- Standard internal ISA slot mounting
- Optional external breakout boards for panel or DIN-rail installation
Configuration:
- Software-configurable I/O direction (input/output)
- Hardware-selectable interrupt lines
- Address range selection via onboard jumpers (if required by system configuration)
7. Performance & Capabilities
The AX5214H delivers reliable and deterministic digital I/O performance suitable for time-critical industrial control applications. Its TTL-level I/O ensures compatibility with a wide range of digital devices, while the interrupt-driven architecture allows for efficient event handling without excessive CPU polling.
Performance Highlights:
- High-Speed I/O Access: Direct ISA bus interfacing enables low-latency digital signal processing.
- Stable Operation: Hardware-based 8255 emulation ensures predictable timing and compatibility.
- Scalability: Multiple AX5214H cards can be installed in a single system to expand I/O capacity up to hundreds of channels.
- Low Power Consumption: Efficient design minimizes heat generation and power draw.
- Signal Integrity: Short trace lengths and high-quality PCB layout reduce noise and crosstalk.
Limitations:
- Designed for ISA bus systems only (not compatible with PCI or PCIe without adapters).
- TTL-level I/O may require external buffering for high-current or high-voltage applications.
- Limited to 8255 Mode 0 operation (no Mode 1 or Mode 2 support).
8. Standards & Compliance
- Bus Standard: AT ISA (Industry Standard Architecture)
- Electrical Interface: TTL-compatible digital I/O
- Emulation Standard: Intel 8255 PPI Mode 0
- Environmental Compliance: RoHS-compliant manufacturing process
- Quality Assurance: Manufactured under ISO 9001-certified quality management system
- EMC Compliance: Designed to meet CE and FCC Class A requirements for electromagnetic compatibility
- Safety Standards: Conforms to standard industrial safety and reliability guidelines
9. Additional Information
Warranty:
- Standard 1-year limited warranty covering manufacturing defects and component failures under normal operating conditions.
Technical Support:
- Comprehensive technical support available via Axiom’s online portal, including driver downloads, FAQs, and troubleshooting guides.
- Email and phone support provided by Axiom’s engineering team for integration and configuration assistance.
Maintenance:
- No routine maintenance required beyond standard dust removal and connector inspection.
- Periodic verification of cable connections and signal integrity recommended for long-term installations.
Software & Driver Updates:
- Regular driver updates available for supported operating systems (Windows and Unix).
- Example source code and API documentation provided for custom software development.
- Backward compatibility maintained with previous Axiom DIO card generations.
Lifecycle & Availability:
- Long-term product availability ensured for industrial customers requiring extended lifecycle support.
- Replacement and upgrade options available within the Axiom AX5000 DIO card family.
Summary
The Axiom AX5214H 48 DIO AT ISA Card is a robust, industrial-grade digital I/O interface solution that combines legacy ISA bus compatibility with modern software support. Its 48 TTL-level I/O channels, 8255 Mode 0 emulation, and interrupt-driven architecture make it ideal for a wide range of industrial automation, control, and data acquisition applications. With dual 50-pin connectors, cross-platform driver support, and compact design, the AX5214H provides a reliable and efficient means of expanding digital I/O capabilities in embedded and industrial PC systems.
Engineered for durability, compatibility, and ease of integration, the AX5214H continues Axiom’s tradition of delivering high-quality, long-lifecycle industrial interface products that meet the demanding requirements of engineers, system integrators, and OEMs worldwide.
No manuals/catalogs available.
No accessories available.
