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- Dual Isolated Serial Ports: Two independent RS-422/485 asynchronous serial ports with full isolation to protect against ground loops and electrical interference.
- 16550 UART Integration: Each port includes a 16550 UART (Universal Asynchronous Receiver/Transmitter) providing 16-byte FIFO buffers for improved data throughput and reduced CPU overhead.
- Flexible Communication Speeds: Supports baud rates from 50 bps up to 57,600 bps, suitable for a wide range of industrial serial communication applications.
- PCI Bus Interface: Fully compliant with standard PCI bus architecture, ensuring compatibility with most modern industrial PCs and embedded systems.
- Selectable IRQ and I/O Address: Hardware-configurable via DIP switches, allowing selection of IRQ lines (2–7) and I/O port addresses (200h–3F8h) for flexible system integration.
- Status Indication: Four onboard status LEDs provide visual feedback for power and communication activity, simplifying diagnostics and monitoring.
- Electrical Isolation: Data lines are isolated to prevent damage from voltage spikes, surges, or ground potential differences.
- Compact and Durable Design: Built with industrial-grade components for long-term reliability in harsh operating conditions.
- Standard Connectors: Equipped with two D-type 9-pin male connectors for direct connection to serial devices.
- Power Efficiency: Operates from a +5 VDC supply with a typical current consumption of 800 mA.
- 16550 UART Integration: Each port includes a 16550 UART (Universal Asynchronous Receiver/Transmitter) providing 16-byte FIFO buffers for improved data throughput and reduced CPU overhead.
- Flexible Communication Speeds: Supports baud rates from 50 bps up to 57,600 bps, suitable for a wide range of industrial serial communication applications.
- PCI Bus Interface: Fully compliant with standard PCI bus architecture, ensuring compatibility with most modern industrial PCs and embedded systems.
- Selectable IRQ and I/O Address: Hardware-configurable via DIP switches, allowing selection of IRQ lines (2–7) and I/O port addresses (200h–3F8h) for flexible system integration.
- Status Indication: Four onboard status LEDs provide visual feedback for power and communication activity, simplifying diagnostics and monitoring.
- Electrical Isolation: Data lines are isolated to prevent damage from voltage spikes, surges, or ground potential differences.
- Compact and Durable Design: Built with industrial-grade components for long-term reliability in harsh operating conditions.
- Standard Connectors: Equipped with two D-type 9-pin male connectors for direct connection to serial devices.
- Power Efficiency: Operates from a +5 VDC supply with a typical current consumption of 800 mA.
1. Product Overview
Name: AX4200PA
Model: AX4200PA
Series: AX4000 Series Industrial Communication Adapters
Article Number: AX4200PA
Manufacturer: Axiom
The Axiom AX4200PA is a high-performance PCI-based serial communication adapter designed to provide reliable, isolated RS-422/485 connectivity for industrial and embedded computing environments. This model integrates two asynchronous serial ports, each equipped with a 16550 UART for efficient data handling and buffering. The card is engineered for robust operation in electrically noisy environments, offering galvanic isolation between the host system and connected serial devices. It is ideal for industrial automation, process control, instrumentation, and data acquisition systems requiring stable and configurable serial communication interfaces.
2. Key Features
- Dual Isolated Serial Ports: Two independent RS-422/485 asynchronous serial ports with full isolation to protect against ground loops and electrical interference.
- 16550 UART Integration: Each port includes a 16550 UART (Universal Asynchronous Receiver/Transmitter) providing 16-byte FIFO buffers for improved data throughput and reduced CPU overhead.
- Flexible Communication Speeds: Supports baud rates from 50 bps up to 57,600 bps, suitable for a wide range of industrial serial communication applications.
- PCI Bus Interface: Fully compliant with standard PCI bus architecture, ensuring compatibility with most modern industrial PCs and embedded systems.
- Selectable IRQ and I/O Address: Hardware-configurable via DIP switches, allowing selection of IRQ lines (2–7) and I/O port addresses (200h–3F8h) for flexible system integration.
- Status Indication: Four onboard status LEDs provide visual feedback for power and communication activity, simplifying diagnostics and monitoring.
- Electrical Isolation: Data lines are isolated to prevent damage from voltage spikes, surges, or ground potential differences.
- Compact and Durable Design: Built with industrial-grade components for long-term reliability in harsh operating conditions.
- Standard Connectors: Equipped with two D-type 9-pin male connectors for direct connection to serial devices.
- Power Efficiency: Operates from a +5 VDC supply with a typical current consumption of 800 mA.
3. Technical Specifications
- Bus Interface: PCI (Peripheral Component Interconnect)
- Number of Ports: 2 isolated asynchronous serial ports
- Communication Standards: RS-422 and RS-485
- UART Type: 16550 UART with 16-byte FIFO
- Baud Rate Range: 50 bps to 57,600 bps
- Interrupts (IRQ): Selectable from IRQ 2–7 via DIP switch
- I/O Address Range: Selectable from 200h to 3F8h via DIP switch
- Isolation: Data lines galvanically isolated for protection and noise immunity
- Connectors: Two D-sub 9-pin male connectors (DB9M)
- Indicators: 4 status LEDs (Power, TX/RX activity per port)
- Power Requirements: +5 VDC, 800 mA typical
- Form Factor: Standard PCI card (full-height)
- Construction: Industrial-grade PCB with high-quality components
- Operating Temperature: Typically 0°C to +60°C (industrial range, depending on system environment)
- Storage Temperature: -20°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Weight: Approx. 100–150 g (typical for PCI communication cards)
- Dimensions: Approx. 120 mm (L) × 100 mm (H) × 20 mm (W) (standard PCI bracket size)
4. Functionality
The AX4200PA functions as a dual-port serial communication interface card that enables a host computer to communicate with RS-422 or RS-485 devices through the PCI bus. Each port operates independently, allowing simultaneous communication with multiple devices or networks.
Operation:
- The card’s 16550 UARTs manage serial data transmission and reception, buffering data to minimize CPU load.
- The DIP switch configuration allows users to assign specific I/O addresses and interrupt lines, ensuring compatibility with existing system resources.
- The isolated design ensures that electrical disturbances on the serial lines do not affect the host system, providing robust protection in industrial environments.
Use Cases and Applications:
- Industrial automation systems connecting PLCs, sensors, and actuators.
- Process control and SCADA (Supervisory Control and Data Acquisition) systems.
- Data acquisition and monitoring equipment.
- Serial communication with industrial instruments, barcode readers, and motor controllers.
- Integration into embedded systems requiring reliable RS-422/485 communication.
Compatibility:
- Compatible with standard PCI slots in desktop and industrial PCs.
- Supports major operating systems with appropriate serial communication drivers (Windows, Linux, and real-time OS environments).
- Works with standard RS-422 and RS-485 communication protocols and devices.
5. Components & Accessories
Included Items:
- AX4200PA PCI card (main unit)
- User manual or quick installation guide
- Driver and utility software (if applicable, via CD or downloadable package)
Optional Accessories:
- RS-422/485 compatible cables (DB9 male to terminal block or DB9 male to DB9 female)
- PCI slot bracket variations (low-profile bracket if required)
- External surge protection modules for additional line protection
- DIN-rail mounting kits for industrial PC chassis integration
Connectors:
- Two D-sub 9-pin male connectors for serial communication
- Each connector supports RS-422 or RS-485 wiring configurations (differential pair lines for TX/RX, signal ground, etc.)
6. Installation & Setup
Requirements:
- Available PCI slot on the host computer
- +5 VDC power supply from the PCI bus
- Operating system with serial port driver support
Installation Steps:
1. Power off the host computer and disconnect it from the power source.
2. Insert the AX4200PA card into an available PCI slot, ensuring a secure fit.
3. Secure the card bracket to the chassis using the provided screw.
4. Configure the DIP switches to select desired IRQ and I/O address settings.
5. Connect RS-422/485 devices to the DB9 connectors using appropriate cables.
6. Power on the system and install the necessary drivers if required.
7. Verify port recognition in the operating system’s device manager or equivalent tool.
8. Test communication using terminal software or diagnostic utilities.
Mounting Options:
- Standard PCI slot mounting in desktop or industrial PC chassis.
- Optional low-profile bracket for compact systems.
Configuration:
- DIP switch selectable IRQ (2–7) and I/O address (200h–3F8h).
- Software configuration for communication parameters (baud rate, parity, stop bits, data bits) via standard serial port settings.
7. Performance & Capabilities
Speed and Throughput:
- Supports data rates from 50 bps to 57,600 bps, suitable for most industrial serial communication requirements.
- 16550 UART with 16-byte FIFO buffers enhances data handling efficiency, reducing CPU interrupts and improving throughput.
Capacity:
- Two independent serial channels allow simultaneous communication with multiple devices or networks.
Efficiency:
- Hardware buffering and interrupt-driven communication minimize CPU utilization.
- Electrical isolation ensures stable performance even in high-noise environments.
Limitations:
- Maximum baud rate limited to 57,600 bps (not suitable for high-speed serial applications beyond this range).
- Requires proper configuration of IRQ and I/O addresses to avoid conflicts with other PCI devices.
Reliability:
- Industrial-grade design ensures long-term stability and resistance to electrical interference.
- Isolation prevents data corruption and hardware damage due to ground potential differences.
8. Standards & Compliance
Bus Standard: PCI Local Bus Specification compliant
Communication Standards: RS-422 and RS-485 (TIA/EIA standards)
Electrical Isolation: Meets industrial isolation standards for data protection
EMC Compliance: Designed to meet CE and FCC Class A/B electromagnetic compatibility requirements (depending on installation environment)
Safety Compliance: Conforms to general industrial safety and low-voltage directives
RoHS Compliance: Manufactured in accordance with RoHS (Restriction of Hazardous Substances) directives
Quality Assurance: Produced under ISO 9001 certified manufacturing processes
9. Additional Information
Warranty:
- Typically covered by a 1-year limited manufacturer’s warranty against defects in materials and workmanship.
Technical Support:
- Axiom provides technical documentation, driver downloads, and configuration guides through its official support channels.
- Email and phone-based technical assistance available for installation and troubleshooting.
Maintenance:
- No regular maintenance required beyond ensuring clean electrical contacts and secure cable connections.
- Periodic inspection recommended in industrial environments to check for dust accumulation or connector wear.
Firmware & Software Updates:
- Driver and firmware updates available from Axiom’s website to ensure compatibility with new operating systems and hardware platforms.
Service Life:
- Designed for long-term industrial operation with high mean time between failures (MTBF).
Environmental Considerations:
- Low power consumption and RoHS compliance contribute to environmentally responsible operation.
### Summary
The Axiom AX4200PA is a robust, dual-port PCI RS-422/485 communication card engineered for industrial and embedded applications requiring reliable, isolated serial connectivity. Featuring two independent asynchronous ports with 16550 UARTs, selectable IRQ and I/O address settings, and full electrical isolation, it delivers dependable performance in demanding environments. With support for baud rates up to 57.6 kbps, standard DB9 connectors, and visual status indicators, the AX4200PA simplifies integration, monitoring, and maintenance. Its industrial-grade design, compliance with PCI and RS-422/485 standards, and flexible configuration options make it an ideal solution for automation, control, and data acquisition systems where stability, protection, and configurability are paramount.
Name: AX4200PA
Model: AX4200PA
Series: AX4000 Series Industrial Communication Adapters
Article Number: AX4200PA
Manufacturer: Axiom
The Axiom AX4200PA is a high-performance PCI-based serial communication adapter designed to provide reliable, isolated RS-422/485 connectivity for industrial and embedded computing environments. This model integrates two asynchronous serial ports, each equipped with a 16550 UART for efficient data handling and buffering. The card is engineered for robust operation in electrically noisy environments, offering galvanic isolation between the host system and connected serial devices. It is ideal for industrial automation, process control, instrumentation, and data acquisition systems requiring stable and configurable serial communication interfaces.
2. Key Features
- Dual Isolated Serial Ports: Two independent RS-422/485 asynchronous serial ports with full isolation to protect against ground loops and electrical interference.
- 16550 UART Integration: Each port includes a 16550 UART (Universal Asynchronous Receiver/Transmitter) providing 16-byte FIFO buffers for improved data throughput and reduced CPU overhead.
- Flexible Communication Speeds: Supports baud rates from 50 bps up to 57,600 bps, suitable for a wide range of industrial serial communication applications.
- PCI Bus Interface: Fully compliant with standard PCI bus architecture, ensuring compatibility with most modern industrial PCs and embedded systems.
- Selectable IRQ and I/O Address: Hardware-configurable via DIP switches, allowing selection of IRQ lines (2–7) and I/O port addresses (200h–3F8h) for flexible system integration.
- Status Indication: Four onboard status LEDs provide visual feedback for power and communication activity, simplifying diagnostics and monitoring.
- Electrical Isolation: Data lines are isolated to prevent damage from voltage spikes, surges, or ground potential differences.
- Compact and Durable Design: Built with industrial-grade components for long-term reliability in harsh operating conditions.
- Standard Connectors: Equipped with two D-type 9-pin male connectors for direct connection to serial devices.
- Power Efficiency: Operates from a +5 VDC supply with a typical current consumption of 800 mA.
3. Technical Specifications
- Bus Interface: PCI (Peripheral Component Interconnect)
- Number of Ports: 2 isolated asynchronous serial ports
- Communication Standards: RS-422 and RS-485
- UART Type: 16550 UART with 16-byte FIFO
- Baud Rate Range: 50 bps to 57,600 bps
- Interrupts (IRQ): Selectable from IRQ 2–7 via DIP switch
- I/O Address Range: Selectable from 200h to 3F8h via DIP switch
- Isolation: Data lines galvanically isolated for protection and noise immunity
- Connectors: Two D-sub 9-pin male connectors (DB9M)
- Indicators: 4 status LEDs (Power, TX/RX activity per port)
- Power Requirements: +5 VDC, 800 mA typical
- Form Factor: Standard PCI card (full-height)
- Construction: Industrial-grade PCB with high-quality components
- Operating Temperature: Typically 0°C to +60°C (industrial range, depending on system environment)
- Storage Temperature: -20°C to +85°C
- Relative Humidity: 5% to 95% non-condensing
- Weight: Approx. 100–150 g (typical for PCI communication cards)
- Dimensions: Approx. 120 mm (L) × 100 mm (H) × 20 mm (W) (standard PCI bracket size)
4. Functionality
The AX4200PA functions as a dual-port serial communication interface card that enables a host computer to communicate with RS-422 or RS-485 devices through the PCI bus. Each port operates independently, allowing simultaneous communication with multiple devices or networks.
Operation:
- The card’s 16550 UARTs manage serial data transmission and reception, buffering data to minimize CPU load.
- The DIP switch configuration allows users to assign specific I/O addresses and interrupt lines, ensuring compatibility with existing system resources.
- The isolated design ensures that electrical disturbances on the serial lines do not affect the host system, providing robust protection in industrial environments.
Use Cases and Applications:
- Industrial automation systems connecting PLCs, sensors, and actuators.
- Process control and SCADA (Supervisory Control and Data Acquisition) systems.
- Data acquisition and monitoring equipment.
- Serial communication with industrial instruments, barcode readers, and motor controllers.
- Integration into embedded systems requiring reliable RS-422/485 communication.
Compatibility:
- Compatible with standard PCI slots in desktop and industrial PCs.
- Supports major operating systems with appropriate serial communication drivers (Windows, Linux, and real-time OS environments).
- Works with standard RS-422 and RS-485 communication protocols and devices.
5. Components & Accessories
Included Items:
- AX4200PA PCI card (main unit)
- User manual or quick installation guide
- Driver and utility software (if applicable, via CD or downloadable package)
Optional Accessories:
- RS-422/485 compatible cables (DB9 male to terminal block or DB9 male to DB9 female)
- PCI slot bracket variations (low-profile bracket if required)
- External surge protection modules for additional line protection
- DIN-rail mounting kits for industrial PC chassis integration
Connectors:
- Two D-sub 9-pin male connectors for serial communication
- Each connector supports RS-422 or RS-485 wiring configurations (differential pair lines for TX/RX, signal ground, etc.)
6. Installation & Setup
Requirements:
- Available PCI slot on the host computer
- +5 VDC power supply from the PCI bus
- Operating system with serial port driver support
Installation Steps:
1. Power off the host computer and disconnect it from the power source.
2. Insert the AX4200PA card into an available PCI slot, ensuring a secure fit.
3. Secure the card bracket to the chassis using the provided screw.
4. Configure the DIP switches to select desired IRQ and I/O address settings.
5. Connect RS-422/485 devices to the DB9 connectors using appropriate cables.
6. Power on the system and install the necessary drivers if required.
7. Verify port recognition in the operating system’s device manager or equivalent tool.
8. Test communication using terminal software or diagnostic utilities.
Mounting Options:
- Standard PCI slot mounting in desktop or industrial PC chassis.
- Optional low-profile bracket for compact systems.
Configuration:
- DIP switch selectable IRQ (2–7) and I/O address (200h–3F8h).
- Software configuration for communication parameters (baud rate, parity, stop bits, data bits) via standard serial port settings.
7. Performance & Capabilities
Speed and Throughput:
- Supports data rates from 50 bps to 57,600 bps, suitable for most industrial serial communication requirements.
- 16550 UART with 16-byte FIFO buffers enhances data handling efficiency, reducing CPU interrupts and improving throughput.
Capacity:
- Two independent serial channels allow simultaneous communication with multiple devices or networks.
Efficiency:
- Hardware buffering and interrupt-driven communication minimize CPU utilization.
- Electrical isolation ensures stable performance even in high-noise environments.
Limitations:
- Maximum baud rate limited to 57,600 bps (not suitable for high-speed serial applications beyond this range).
- Requires proper configuration of IRQ and I/O addresses to avoid conflicts with other PCI devices.
Reliability:
- Industrial-grade design ensures long-term stability and resistance to electrical interference.
- Isolation prevents data corruption and hardware damage due to ground potential differences.
8. Standards & Compliance
Bus Standard: PCI Local Bus Specification compliant
Communication Standards: RS-422 and RS-485 (TIA/EIA standards)
Electrical Isolation: Meets industrial isolation standards for data protection
EMC Compliance: Designed to meet CE and FCC Class A/B electromagnetic compatibility requirements (depending on installation environment)
Safety Compliance: Conforms to general industrial safety and low-voltage directives
RoHS Compliance: Manufactured in accordance with RoHS (Restriction of Hazardous Substances) directives
Quality Assurance: Produced under ISO 9001 certified manufacturing processes
9. Additional Information
Warranty:
- Typically covered by a 1-year limited manufacturer’s warranty against defects in materials and workmanship.
Technical Support:
- Axiom provides technical documentation, driver downloads, and configuration guides through its official support channels.
- Email and phone-based technical assistance available for installation and troubleshooting.
Maintenance:
- No regular maintenance required beyond ensuring clean electrical contacts and secure cable connections.
- Periodic inspection recommended in industrial environments to check for dust accumulation or connector wear.
Firmware & Software Updates:
- Driver and firmware updates available from Axiom’s website to ensure compatibility with new operating systems and hardware platforms.
Service Life:
- Designed for long-term industrial operation with high mean time between failures (MTBF).
Environmental Considerations:
- Low power consumption and RoHS compliance contribute to environmentally responsible operation.
### Summary
The Axiom AX4200PA is a robust, dual-port PCI RS-422/485 communication card engineered for industrial and embedded applications requiring reliable, isolated serial connectivity. Featuring two independent asynchronous ports with 16550 UARTs, selectable IRQ and I/O address settings, and full electrical isolation, it delivers dependable performance in demanding environments. With support for baud rates up to 57.6 kbps, standard DB9 connectors, and visual status indicators, the AX4200PA simplifies integration, monitoring, and maintenance. Its industrial-grade design, compliance with PCI and RS-422/485 standards, and flexible configuration options make it an ideal solution for automation, control, and data acquisition systems where stability, protection, and configurability are paramount.
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