1. Product Overview
Product Name: AX5032A
Model Number: AX5032A
Series: AX5000 Series (Digital I/O Interface Cards)
Article Number: AX5032A
Manufacturer: Axiom

The Axiom AX5032A is a high-performance, industrial-grade digital input/output (DIO) interface card designed for reliable signal control and monitoring in automation, process control, and data acquisition systems. It integrates 16 optically isolated digital input channels and 16 relay output channels on a single compact board, providing robust electrical isolation and versatile connectivity for industrial environments. The card is engineered for use in systems requiring secure signal separation, high noise immunity, and dependable switching performance under demanding operating conditions.

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2. Key Features
- Dual Functionality: Combines 16 opto-isolated digital inputs and 16 relay outputs on one card, enabling both signal acquisition and control from a single interface.
- Electrical Isolation: Each input channel is optically isolated up to 1 kV, ensuring protection against voltage transients, ground loops, and electrical noise.
- Relay Output Design: Each of the 16 relay outputs is single-pole (1 pol.) and rated for 3 A at 120 VAC or 24 VDC, providing reliable switching for a wide range of loads.
- Fast Response Time: Relay actuation time of approximately 7 ms ensures responsive control suitable for automation and process applications.
- Industrial Connectivity: Equipped with a 37-pin D-type male connector and a 50-pin header for flexible wiring and integration with external devices or terminal boards.
- Compact Form Factor: Board dimensions of 182 mm × 107 mm allow easy installation in standard industrial enclosures or control panels.
- High Noise Immunity: Opto-isolated inputs and relay outputs minimize interference, ensuring stable operation in electrically noisy environments.
- Wide Input Voltage Range: Accepts digital input signals from 5 V to 24 V, compatible with a variety of industrial sensors, switches, and logic-level devices.
- Rugged Construction: Built with industrial-grade components for long-term reliability and consistent performance in harsh conditions.
- Axiom Quality Assurance: Designed and manufactured by Axiom, known for precision-engineered I/O and data acquisition hardware.

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3. Technical Specifications
- Product Type: Digital Input/Output (DIO) Interface Card
- Input Channels: 16 opto-isolated digital inputs
- Input Voltage Range: 5 V DC to 24 V DC
- Input Isolation Voltage: 1 kV (optical isolation)
- Input Type: Opto-isolated, current-limited
- Output Channels: 16 relay outputs
- Relay Type: Single-pole (1 pol.) mechanical relay
- Relay Contact Rating: 3 A at 120 VAC or 24 VDC
- Relay Switching Time: 7 ms (typical)
- Connectors:
- 37-pin D-type male connector (for I/O interface)
- 50-pin header connector (for auxiliary or expansion connection)
- Board Dimensions: 182 mm (L) × 107 mm (W)
- Mounting Type: PCB-mounted, suitable for rack or panel integration
- Isolation Protection: 1 kV optical isolation between input channels and system logic
- Operating Voltage: Compatible with standard 5–24 V logic levels
- Weight: Approximately 200–250 g (typical, depending on configuration)
- Material: FR-4 industrial-grade PCB substrate with protective coating
- Operating Temperature Range: Typically 0 °C to +60 °C (depending on system configuration)
- Storage Temperature Range: –20 °C to +85 °C
- Humidity: 10 %–90 % RH, non-condensing

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4. Functionality
The AX5032A functions as a digital I/O interface card that bridges control systems (such as PLCs, industrial PCs, or embedded controllers) with field devices like sensors, switches, actuators, and relays.

- Input Functionality:
The 16 opto-isolated inputs receive digital signals from external devices operating at 5–24 V DC. Each input channel uses an optocoupler to electrically isolate the field signal from the system logic, preventing ground loops and protecting the host system from voltage spikes or surges. This makes the card ideal for monitoring limit switches, proximity sensors, push buttons, and other discrete input sources.

- Output Functionality:
The 16 relay outputs provide electrically isolated switching capability for controlling external loads such as solenoids, lamps, contactors, or other low-power devices. Each relay can handle up to 3 A at 120 VAC or 24 VDC, allowing direct control of moderate loads without additional interface relays. The 7 ms switching time ensures responsive operation suitable for most automation tasks.

- Applications:
- Industrial automation and process control
- Machine monitoring and control systems
- Data acquisition and signal conditioning
- Laboratory instrumentation
- Building automation and facility management
- Test and measurement systems
- Embedded control and OEM integration

- Compatibility:
The AX5032A is compatible with Axiom’s range of I/O expansion systems and can interface with standard industrial control buses or PC-based data acquisition platforms. The 37-pin D-type connector allows direct connection to terminal boards or breakout modules, while the 50-pin header supports flexible wiring configurations.

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5. Components & Accessories
Included Components:
- AX5032A DIO card (main board)
- 37-pin D-type male connector interface
- 50-pin header connector for auxiliary connections
- Onboard relays and opto-isolators pre-installed
- PCB mounting holes for secure installation

Optional Accessories (available separately):
- Shielded 37-pin D-sub cable assemblies
- Terminal breakout boards for simplified wiring
- DIN-rail mounting kits or panel brackets
- Replacement relays (3 A/120 VAC rated)
- Protective enclosures or covers for industrial environments

Connectors and Pinouts:
- The 37-pin D-type male connector provides access to all input and output channels, ground references, and control lines.
- The 50-pin header may be used for expansion, diagnostics, or connection to auxiliary modules.
- Pin assignments follow Axiom’s standard DIO interface convention for easy integration with existing systems.

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6. Installation & Setup
Requirements:
- Compatible host system or controller with appropriate interface (e.g., Axiom backplane, industrial PC, or embedded controller)
- Power supply capable of providing required logic and relay drive voltages
- Proper grounding and shielding for noise-sensitive environments

Mounting Options:
- Direct PCB mounting using pre-drilled holes
- Integration into rack-mounted or panel-mounted enclosures
- Optional DIN-rail mounting with accessory brackets

Configuration Steps:
1. Physical Installation: Secure the AX5032A card in the designated slot or mounting location.
2. Electrical Connection: Connect the 37-pin D-type connector to the corresponding terminal board or cable harness. Attach the 50-pin header if additional connections are required.
3. Input Wiring: Connect digital input devices (sensors, switches) to the opto-isolated input terminals, ensuring correct polarity and voltage levels (5–24 V DC).
4. Output Wiring: Connect controlled devices (relays, solenoids, indicators) to the relay output terminals, observing the rated load limits (3 A at 120 VAC or 24 VDC).
5. System Configuration: Configure the host system or software to recognize the I/O channels, assign logical addresses, and define control logic.
6. Testing: Verify input signal detection and output switching functionality before full system operation.

Safety Considerations:
- Ensure all wiring is performed with power off.
- Observe isolation ratings to prevent electrical hazards.
- Use appropriate fuses or circuit protection for connected loads.

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7. Performance & Capabilities
- Switching Capacity: Each relay output can handle up to 3 A at 120 VAC or 24 VDC, suitable for controlling small motors, lamps, or solenoids.
- Response Time: Relay actuation and release time of approximately 7 ms ensures timely response for most automation tasks.
- Input Sensitivity: Accepts logic-level signals from 5 V to 24 V, allowing flexible interfacing with TTL, CMOS, or industrial sensors.
- Isolation Performance: 1 kV optical isolation between input channels and system logic provides robust protection against electrical interference.
- Reliability: Mechanical relays rated for high endurance cycles, ensuring long operational life under normal load conditions.
- Noise Immunity: Opto-isolated design minimizes susceptibility to electromagnetic interference (EMI) and radio frequency interference (RFI).
- Scalability: Can be used individually or in combination with other Axiom I/O cards to expand system capacity.
- Limitations:
- Relay outputs are mechanical and not suited for high-speed switching applications.
- Maximum load current limited to 3 A per channel.
- Input voltage range limited to 5–24 V DC; not suitable for AC input signals.

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8. Standards & Compliance
- Electrical Safety: Designed to meet industrial safety and isolation standards for control and automation equipment.
- EMC Compliance: Built with noise suppression and isolation features to comply with typical industrial electromagnetic compatibility (EMC) requirements.
- RoHS Compliance: Manufactured using lead-free processes and materials in accordance with RoHS directives.
- Quality Assurance: Produced under Axiom’s ISO-certified quality management system, ensuring consistent performance and reliability.
- Environmental Standards: Designed for operation in standard industrial environments with compliance to temperature and humidity specifications.

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9. Additional Information
- Warranty: Typically covered by Axiom’s standard limited warranty (duration varies by region and distributor, commonly 1–2 years).
- Technical Support: Axiom provides comprehensive technical documentation, wiring diagrams, and application notes. Support is available via online resources, email, or authorized distributors.
- Maintenance:
- Periodic inspection of relay contacts recommended for high-duty-cycle applications.
- Keep connectors clean and free from dust or oxidation.
- Ensure proper ventilation to maintain operating temperature within specified limits.
- Firmware/Software Updates: As a hardware I/O card, the AX5032A does not require firmware updates; however, driver or software library updates may be available for compatible systems.
- Serviceability: Relays and connectors are replaceable components; maintenance can be performed by qualified technicians.
- Documentation: Detailed user manuals, pinout diagrams, and installation guides are available from Axiom’s technical library.

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Summary
The Axiom AX5032A is a robust, dual-function digital I/O card integrating 16 opto-isolated inputs and 16 relay outputs in a compact 182 × 107 mm form factor. With 1 kV isolation, 3 A relay capacity, and 7 ms switching time, it provides a reliable interface for industrial automation, control, and monitoring applications. Its combination of electrical isolation, flexible connectivity, and durable construction makes it an ideal choice for engineers and system integrators seeking dependable digital I/O performance in demanding environments.