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- 8 Isolated Digital Inputs: The AX5008 provides eight opto-isolated input channels supporting a wide input voltage range of 5–24 V DC. Each input channel is isolated from the others and from the system ground, ensuring high noise immunity and protection against voltage transients.
- 8 Relay Outputs: The board includes eight independent relay output channels, each capable of switching up to 3 A at 120 V AC or 24 V DC. These relays provide galvanic isolation between control logic and load circuits, enabling safe control of external devices such as solenoids, lamps, contactors, and actuators.
- Full Channel Isolation: Both input and output sections are isolated channel-to-channel and channel-to-ground with a dielectric strength of 1 kV, ensuring reliable operation in electrically noisy or high-potential environments.
- Compact Form Factor: With dimensions of 147 mm × 99 mm, the AX5008 offers a compact footprint suitable for integration into rack-mounted or embedded control systems.
- Standardized Connectivity: Equipped with a 37-pin D-type male connector, the card provides a standardized interface for easy wiring, quick installation, and compatibility with a wide range of industrial connectors and harnesses.
- Industrial Reliability: Designed for continuous operation in demanding industrial conditions, the AX5008 features robust construction, high-quality relays, and opto-isolators for long service life and consistent performance.
- Flexible Voltage Compatibility: The input section supports a broad voltage range (5–24 V DC), allowing direct connection to various sensors, switches, and logic-level signals without additional conditioning.
- Safety and Signal Integrity: Optical isolation and relay separation minimize ground loops, reduce electromagnetic interference (EMI), and protect sensitive control electronics from voltage spikes or surges.
- 8 Relay Outputs: The board includes eight independent relay output channels, each capable of switching up to 3 A at 120 V AC or 24 V DC. These relays provide galvanic isolation between control logic and load circuits, enabling safe control of external devices such as solenoids, lamps, contactors, and actuators.
- Full Channel Isolation: Both input and output sections are isolated channel-to-channel and channel-to-ground with a dielectric strength of 1 kV, ensuring reliable operation in electrically noisy or high-potential environments.
- Compact Form Factor: With dimensions of 147 mm × 99 mm, the AX5008 offers a compact footprint suitable for integration into rack-mounted or embedded control systems.
- Standardized Connectivity: Equipped with a 37-pin D-type male connector, the card provides a standardized interface for easy wiring, quick installation, and compatibility with a wide range of industrial connectors and harnesses.
- Industrial Reliability: Designed for continuous operation in demanding industrial conditions, the AX5008 features robust construction, high-quality relays, and opto-isolators for long service life and consistent performance.
- Flexible Voltage Compatibility: The input section supports a broad voltage range (5–24 V DC), allowing direct connection to various sensors, switches, and logic-level signals without additional conditioning.
- Safety and Signal Integrity: Optical isolation and relay separation minimize ground loops, reduce electromagnetic interference (EMI), and protect sensitive control electronics from voltage spikes or surges.
1. Product Overview
Product Name: AX5008
Model Number: AX5008
Series: AX Series Digital I/O Interface Cards
Article Number: AX5008
Manufacturer: Axiom
The Axiom AX5008 is a high-performance, industrial-grade digital input/output (DIO) interface card designed for reliable signal isolation and robust control in automation, monitoring, and data acquisition systems. It integrates eight optically isolated digital input channels and eight relay-based digital output channels on a single compact board, providing a balanced and flexible solution for interfacing between control systems and external devices. The AX5008 is engineered for environments requiring electrical isolation, signal integrity, and dependable switching performance, making it suitable for industrial control panels, PLC extensions, and embedded automation systems.
2. Key Features
- 8 Isolated Digital Inputs: The AX5008 provides eight opto-isolated input channels supporting a wide input voltage range of 5–24 V DC. Each input channel is isolated from the others and from the system ground, ensuring high noise immunity and protection against voltage transients.
- 8 Relay Outputs: The board includes eight independent relay output channels, each capable of switching up to 3 A at 120 V AC or 24 V DC. These relays provide galvanic isolation between control logic and load circuits, enabling safe control of external devices such as solenoids, lamps, contactors, and actuators.
- Full Channel Isolation: Both input and output sections are isolated channel-to-channel and channel-to-ground with a dielectric strength of 1 kV, ensuring reliable operation in electrically noisy or high-potential environments.
- Compact Form Factor: With dimensions of 147 mm × 99 mm, the AX5008 offers a compact footprint suitable for integration into rack-mounted or embedded control systems.
- Standardized Connectivity: Equipped with a 37-pin D-type male connector, the card provides a standardized interface for easy wiring, quick installation, and compatibility with a wide range of industrial connectors and harnesses.
- Industrial Reliability: Designed for continuous operation in demanding industrial conditions, the AX5008 features robust construction, high-quality relays, and opto-isolators for long service life and consistent performance.
- Flexible Voltage Compatibility: The input section supports a broad voltage range (5–24 V DC), allowing direct connection to various sensors, switches, and logic-level signals without additional conditioning.
- Safety and Signal Integrity: Optical isolation and relay separation minimize ground loops, reduce electromagnetic interference (EMI), and protect sensitive control electronics from voltage spikes or surges.
3. Technical Specifications
- Product Type: Isolated Digital Input/Output (DIO) Card
- Model: AX5008
- Manufacturer: Axiom
- Input Channels: 8 opto-isolated digital inputs
- Input Voltage Range: 5 V DC to 24 V DC
- Input Isolation: 1 kV channel-to-channel and channel-to-ground
- Input Type: Optically isolated, active-high logic
- Output Channels: 8 relay outputs
- Relay Type: Single-pole (1 pol.) mechanical relay
- Relay Contact Rating: 3 A at 120 V AC or 3 A at 24 V DC
- Isolation (Outputs): 1 kV channel-to-channel and channel-to-ground
- Connector Type: 37-pin D-type male connector
- Board Dimensions: 147 mm (L) × 99 mm (W)
- Mounting: PCB or panel-mount compatible
- Operating Voltage: Dependent on host system (typically 5 V DC logic interface)
- Material: Industrial-grade PCB with protective coating and high-durability components
- Weight: Approximately 150–200 g (typical, depending on configuration)
- Operating Temperature Range: 0 °C to +60 °C (typical industrial range)
- Storage Temperature Range: –20 °C to +85 °C
- Humidity: 10–90 % RH, non-condensing
- Isolation Voltage: 1000 V DC minimum between channels and ground
4. Functionality
The Axiom AX5008 functions as an interface module that bridges low-voltage control logic and high-voltage or high-current field devices. The eight opto-isolated inputs detect digital signals from sensors, switches, or other control sources, converting them into logic-level signals readable by a host controller or data acquisition system. Each input channel uses an optocoupler to electrically isolate the field signal from the control circuitry, preventing ground loops and protecting against voltage surges.
The eight relay outputs act as electrically isolated switches controlled by the host system. When a control signal is applied, the corresponding relay energizes, closing or opening its contact to control external loads such as motors, valves, or indicator lamps. The relays provide mechanical isolation, ensuring that high-voltage or high-current circuits remain safely separated from the control electronics.
Typical Use Cases and Applications:
- Industrial automation and process control systems
- PLC (Programmable Logic Controller) I/O expansion modules
- Machine control and monitoring interfaces
- Building automation and HVAC control
- Laboratory instrumentation and test benches
- Embedded control systems requiring isolated I/O
- Remote monitoring and data acquisition (DAQ) systems
Compatibility:
The AX5008 is compatible with standard digital I/O interfaces and can be integrated with Axiom’s range of control and data acquisition products. The 37-pin D-type connector ensures interoperability with standard cable assemblies and breakout boards. It can be used with PC-based control systems, microcontroller platforms, or industrial computers that support digital I/O expansion.
5. Components & Accessories
Included Components:
- AX5008 DIO card (main board)
- 37-pin D-type male connector interface
- Mounting holes for panel or enclosure installation
- On-board relays and opto-isolators pre-installed and tested
Optional Accessories (available separately):
- 37-pin D-type female connector cable assemblies
- Terminal breakout boards for simplified wiring
- DIN-rail mounting brackets or panel adapters
- Protective enclosures for industrial environments
- Replacement relay modules (for maintenance)
Connectors and Interfaces:
- Primary Connector: 37-pin D-type male
- Pin Assignment: Configurable per manufacturer’s documentation (typically includes 8 input pins, 8 output pins, common grounds, and control lines)
- Signal Interface: TTL/CMOS compatible logic levels on control side
6. Installation & Setup
Requirements:
- Compatible host system with digital I/O interface or expansion slot
- Power supply suitable for relay coil operation and input signal levels
- Proper grounding and shielding for noise-sensitive environments
Mounting Options:
- Direct PCB mounting within a control chassis
- Panel or enclosure mounting using pre-drilled holes
- DIN-rail mounting (with optional adapter)
Configuration Steps:
1. Mechanical Installation: Secure the AX5008 card in the designated slot or mount it on a panel using the provided holes.
2. Electrical Connection: Connect the 37-pin D-type connector to the host system or breakout board. Ensure correct pin alignment and secure fastening.
3. Input Wiring: Connect input devices (e.g., sensors, switches) to the opto-isolated input terminals, observing polarity and voltage range (5–24 V DC).
4. Output Wiring: Connect external loads to the relay output terminals, ensuring that the load current and voltage do not exceed 3 A at 120 V AC or 24 V DC.
5. Power and Grounding: Verify that all grounds are properly connected and that isolation barriers are maintained.
6. Testing and Verification: After installation, perform functional tests to confirm correct input detection and output switching.
Safety Considerations:
- Always disconnect power before wiring or maintenance.
- Observe isolation ratings to prevent electrical hazards.
- Use appropriate fuses or circuit protection for connected loads.
7. Performance & Capabilities
Input Performance:
- Wide input voltage tolerance (5–24 V DC) allows flexible interfacing with various field devices.
- Opto-isolation ensures minimal crosstalk and high noise immunity.
- Fast response time suitable for real-time control and monitoring applications.
Output Performance:
- Relay outputs provide reliable switching for both AC and DC loads.
- Contact rating of 3 A ensures compatibility with medium-power devices.
- Mechanical relays offer long operational life under rated conditions.
Efficiency and Reliability:
- Isolation barriers reduce interference and protect against transient voltages.
- High-quality components ensure consistent performance over extended operating periods.
- Compact design minimizes space requirements while maintaining full functionality.
Limitations:
- Relay switching speed is slower than solid-state outputs (typical mechanical delay).
- Contact wear may occur over time with high-frequency switching.
- Maximum load limited to 3 A per channel; higher loads require external relays or contactors.
8. Standards & Compliance
The AX5008 is designed and manufactured in accordance with industrial quality and safety standards to ensure reliable operation and compliance with regulatory requirements.
Compliance and Standards (typical for Axiom industrial I/O cards):
- Electrical Safety: Designed to meet IEC/EN 61010-1 standards for measurement and control equipment.
- EMC Compliance: Conforms to EN 61326-1 for electromagnetic compatibility in industrial environments.
- RoHS Compliance: Manufactured using lead-free processes and materials in accordance with the Restriction of Hazardous Substances Directive.
- Isolation Testing: 1 kV dielectric strength verified between channels and ground.
- Quality Assurance: Each unit undergoes functional testing and inspection prior to shipment.
9. Additional Information
Warranty:
Axiom provides a standard manufacturer’s warranty (typically 12 months) covering defects in materials and workmanship under normal operating conditions. Extended warranty options may be available upon request.
Technical Support:
Comprehensive technical documentation, including wiring diagrams, pin assignments, and configuration guides, is available from Axiom’s support portal. Technical assistance is provided via email, phone, or online service channels.
Maintenance:
- Periodic inspection of relay contacts is recommended for high-duty-cycle applications.
- Ensure connectors remain secure and free from corrosion or contamination.
- Replace relays if contact resistance increases or switching reliability decreases.
Firmware/Software Updates:
As a hardware interface card, the AX5008 typically operates without firmware. However, driver or software library updates for host systems may be provided by Axiom to ensure compatibility with evolving control platforms.
Service Life and Reliability:
The AX5008 is designed for long-term industrial use, with high MTBF (Mean Time Between Failures) values typical of Axiom’s industrial-grade components. Proper installation, environmental control, and adherence to rated specifications will maximize operational lifespan.
Environmental Considerations:
- Designed for use in controlled industrial environments.
- Compliant with environmental directives for electronic equipment disposal and recycling.
Summary
The Axiom AX5008 is a robust, isolated 8-input/8-output digital I/O card engineered for industrial automation and control applications. Combining eight opto-isolated inputs with eight relay outputs, it provides a secure and flexible interface between low-voltage control systems and high-voltage field devices. With 1 kV isolation, 3 A relay capacity, and a compact 147 × 99 mm form factor, the AX5008 delivers reliable performance, electrical safety, and ease of integration. Its standardized 37-pin D-type connector, wide input voltage range, and durable construction make it an ideal choice for engineers and system integrators seeking dependable digital I/O expansion in demanding industrial environments.
Product Name: AX5008
Model Number: AX5008
Series: AX Series Digital I/O Interface Cards
Article Number: AX5008
Manufacturer: Axiom
The Axiom AX5008 is a high-performance, industrial-grade digital input/output (DIO) interface card designed for reliable signal isolation and robust control in automation, monitoring, and data acquisition systems. It integrates eight optically isolated digital input channels and eight relay-based digital output channels on a single compact board, providing a balanced and flexible solution for interfacing between control systems and external devices. The AX5008 is engineered for environments requiring electrical isolation, signal integrity, and dependable switching performance, making it suitable for industrial control panels, PLC extensions, and embedded automation systems.
2. Key Features
- 8 Isolated Digital Inputs: The AX5008 provides eight opto-isolated input channels supporting a wide input voltage range of 5–24 V DC. Each input channel is isolated from the others and from the system ground, ensuring high noise immunity and protection against voltage transients.
- 8 Relay Outputs: The board includes eight independent relay output channels, each capable of switching up to 3 A at 120 V AC or 24 V DC. These relays provide galvanic isolation between control logic and load circuits, enabling safe control of external devices such as solenoids, lamps, contactors, and actuators.
- Full Channel Isolation: Both input and output sections are isolated channel-to-channel and channel-to-ground with a dielectric strength of 1 kV, ensuring reliable operation in electrically noisy or high-potential environments.
- Compact Form Factor: With dimensions of 147 mm × 99 mm, the AX5008 offers a compact footprint suitable for integration into rack-mounted or embedded control systems.
- Standardized Connectivity: Equipped with a 37-pin D-type male connector, the card provides a standardized interface for easy wiring, quick installation, and compatibility with a wide range of industrial connectors and harnesses.
- Industrial Reliability: Designed for continuous operation in demanding industrial conditions, the AX5008 features robust construction, high-quality relays, and opto-isolators for long service life and consistent performance.
- Flexible Voltage Compatibility: The input section supports a broad voltage range (5–24 V DC), allowing direct connection to various sensors, switches, and logic-level signals without additional conditioning.
- Safety and Signal Integrity: Optical isolation and relay separation minimize ground loops, reduce electromagnetic interference (EMI), and protect sensitive control electronics from voltage spikes or surges.
3. Technical Specifications
- Product Type: Isolated Digital Input/Output (DIO) Card
- Model: AX5008
- Manufacturer: Axiom
- Input Channels: 8 opto-isolated digital inputs
- Input Voltage Range: 5 V DC to 24 V DC
- Input Isolation: 1 kV channel-to-channel and channel-to-ground
- Input Type: Optically isolated, active-high logic
- Output Channels: 8 relay outputs
- Relay Type: Single-pole (1 pol.) mechanical relay
- Relay Contact Rating: 3 A at 120 V AC or 3 A at 24 V DC
- Isolation (Outputs): 1 kV channel-to-channel and channel-to-ground
- Connector Type: 37-pin D-type male connector
- Board Dimensions: 147 mm (L) × 99 mm (W)
- Mounting: PCB or panel-mount compatible
- Operating Voltage: Dependent on host system (typically 5 V DC logic interface)
- Material: Industrial-grade PCB with protective coating and high-durability components
- Weight: Approximately 150–200 g (typical, depending on configuration)
- Operating Temperature Range: 0 °C to +60 °C (typical industrial range)
- Storage Temperature Range: –20 °C to +85 °C
- Humidity: 10–90 % RH, non-condensing
- Isolation Voltage: 1000 V DC minimum between channels and ground
4. Functionality
The Axiom AX5008 functions as an interface module that bridges low-voltage control logic and high-voltage or high-current field devices. The eight opto-isolated inputs detect digital signals from sensors, switches, or other control sources, converting them into logic-level signals readable by a host controller or data acquisition system. Each input channel uses an optocoupler to electrically isolate the field signal from the control circuitry, preventing ground loops and protecting against voltage surges.
The eight relay outputs act as electrically isolated switches controlled by the host system. When a control signal is applied, the corresponding relay energizes, closing or opening its contact to control external loads such as motors, valves, or indicator lamps. The relays provide mechanical isolation, ensuring that high-voltage or high-current circuits remain safely separated from the control electronics.
Typical Use Cases and Applications:
- Industrial automation and process control systems
- PLC (Programmable Logic Controller) I/O expansion modules
- Machine control and monitoring interfaces
- Building automation and HVAC control
- Laboratory instrumentation and test benches
- Embedded control systems requiring isolated I/O
- Remote monitoring and data acquisition (DAQ) systems
Compatibility:
The AX5008 is compatible with standard digital I/O interfaces and can be integrated with Axiom’s range of control and data acquisition products. The 37-pin D-type connector ensures interoperability with standard cable assemblies and breakout boards. It can be used with PC-based control systems, microcontroller platforms, or industrial computers that support digital I/O expansion.
5. Components & Accessories
Included Components:
- AX5008 DIO card (main board)
- 37-pin D-type male connector interface
- Mounting holes for panel or enclosure installation
- On-board relays and opto-isolators pre-installed and tested
Optional Accessories (available separately):
- 37-pin D-type female connector cable assemblies
- Terminal breakout boards for simplified wiring
- DIN-rail mounting brackets or panel adapters
- Protective enclosures for industrial environments
- Replacement relay modules (for maintenance)
Connectors and Interfaces:
- Primary Connector: 37-pin D-type male
- Pin Assignment: Configurable per manufacturer’s documentation (typically includes 8 input pins, 8 output pins, common grounds, and control lines)
- Signal Interface: TTL/CMOS compatible logic levels on control side
6. Installation & Setup
Requirements:
- Compatible host system with digital I/O interface or expansion slot
- Power supply suitable for relay coil operation and input signal levels
- Proper grounding and shielding for noise-sensitive environments
Mounting Options:
- Direct PCB mounting within a control chassis
- Panel or enclosure mounting using pre-drilled holes
- DIN-rail mounting (with optional adapter)
Configuration Steps:
1. Mechanical Installation: Secure the AX5008 card in the designated slot or mount it on a panel using the provided holes.
2. Electrical Connection: Connect the 37-pin D-type connector to the host system or breakout board. Ensure correct pin alignment and secure fastening.
3. Input Wiring: Connect input devices (e.g., sensors, switches) to the opto-isolated input terminals, observing polarity and voltage range (5–24 V DC).
4. Output Wiring: Connect external loads to the relay output terminals, ensuring that the load current and voltage do not exceed 3 A at 120 V AC or 24 V DC.
5. Power and Grounding: Verify that all grounds are properly connected and that isolation barriers are maintained.
6. Testing and Verification: After installation, perform functional tests to confirm correct input detection and output switching.
Safety Considerations:
- Always disconnect power before wiring or maintenance.
- Observe isolation ratings to prevent electrical hazards.
- Use appropriate fuses or circuit protection for connected loads.
7. Performance & Capabilities
Input Performance:
- Wide input voltage tolerance (5–24 V DC) allows flexible interfacing with various field devices.
- Opto-isolation ensures minimal crosstalk and high noise immunity.
- Fast response time suitable for real-time control and monitoring applications.
Output Performance:
- Relay outputs provide reliable switching for both AC and DC loads.
- Contact rating of 3 A ensures compatibility with medium-power devices.
- Mechanical relays offer long operational life under rated conditions.
Efficiency and Reliability:
- Isolation barriers reduce interference and protect against transient voltages.
- High-quality components ensure consistent performance over extended operating periods.
- Compact design minimizes space requirements while maintaining full functionality.
Limitations:
- Relay switching speed is slower than solid-state outputs (typical mechanical delay).
- Contact wear may occur over time with high-frequency switching.
- Maximum load limited to 3 A per channel; higher loads require external relays or contactors.
8. Standards & Compliance
The AX5008 is designed and manufactured in accordance with industrial quality and safety standards to ensure reliable operation and compliance with regulatory requirements.
Compliance and Standards (typical for Axiom industrial I/O cards):
- Electrical Safety: Designed to meet IEC/EN 61010-1 standards for measurement and control equipment.
- EMC Compliance: Conforms to EN 61326-1 for electromagnetic compatibility in industrial environments.
- RoHS Compliance: Manufactured using lead-free processes and materials in accordance with the Restriction of Hazardous Substances Directive.
- Isolation Testing: 1 kV dielectric strength verified between channels and ground.
- Quality Assurance: Each unit undergoes functional testing and inspection prior to shipment.
9. Additional Information
Warranty:
Axiom provides a standard manufacturer’s warranty (typically 12 months) covering defects in materials and workmanship under normal operating conditions. Extended warranty options may be available upon request.
Technical Support:
Comprehensive technical documentation, including wiring diagrams, pin assignments, and configuration guides, is available from Axiom’s support portal. Technical assistance is provided via email, phone, or online service channels.
Maintenance:
- Periodic inspection of relay contacts is recommended for high-duty-cycle applications.
- Ensure connectors remain secure and free from corrosion or contamination.
- Replace relays if contact resistance increases or switching reliability decreases.
Firmware/Software Updates:
As a hardware interface card, the AX5008 typically operates without firmware. However, driver or software library updates for host systems may be provided by Axiom to ensure compatibility with evolving control platforms.
Service Life and Reliability:
The AX5008 is designed for long-term industrial use, with high MTBF (Mean Time Between Failures) values typical of Axiom’s industrial-grade components. Proper installation, environmental control, and adherence to rated specifications will maximize operational lifespan.
Environmental Considerations:
- Designed for use in controlled industrial environments.
- Compliant with environmental directives for electronic equipment disposal and recycling.
Summary
The Axiom AX5008 is a robust, isolated 8-input/8-output digital I/O card engineered for industrial automation and control applications. Combining eight opto-isolated inputs with eight relay outputs, it provides a secure and flexible interface between low-voltage control systems and high-voltage field devices. With 1 kV isolation, 3 A relay capacity, and a compact 147 × 99 mm form factor, the AX5008 delivers reliable performance, electrical safety, and ease of integration. Its standardized 37-pin D-type connector, wide input voltage range, and durable construction make it an ideal choice for engineers and system integrators seeking dependable digital I/O expansion in demanding industrial environments.
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