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- Eight Independent Relays: Provides eight SPDT (Single Pole Double Throw) relay channels for flexible switching of AC or DC loads.
- High Isolation and Reliability: Each relay is galvanically isolated from the control circuitry, ensuring safe operation in mixed-signal environments.
- LED Status Indicators: Each relay output is equipped with an LED indicator that displays the on/off state, simplifying diagnostics and system monitoring.
- PC/104 Bus Compatibility: Fully compliant with the PC/104 form factor and bus interface, allowing seamless integration into stackable embedded systems.
- Compact and Modular Design: The small footprint and standardized connector layout make it ideal for space-constrained embedded applications.
- Industrial-Grade Components: Built with high-quality relays and durable PCB materials to ensure long-term reliability under industrial conditions.
- Flexible Control Interface: Designed to interface directly with digital I/O lines from PC/104 CPU or I/O modules, enabling straightforward software control.
- Low Power Consumption: Optimized for embedded systems where power efficiency is critical.
- Versatile Switching Capability: Supports both AC and DC load switching, suitable for controlling motors, solenoids, lamps, and other actuators.
- Extended Operating Range: Designed to operate reliably across a wide temperature range typical of industrial environments.
- High Isolation and Reliability: Each relay is galvanically isolated from the control circuitry, ensuring safe operation in mixed-signal environments.
- LED Status Indicators: Each relay output is equipped with an LED indicator that displays the on/off state, simplifying diagnostics and system monitoring.
- PC/104 Bus Compatibility: Fully compliant with the PC/104 form factor and bus interface, allowing seamless integration into stackable embedded systems.
- Compact and Modular Design: The small footprint and standardized connector layout make it ideal for space-constrained embedded applications.
- Industrial-Grade Components: Built with high-quality relays and durable PCB materials to ensure long-term reliability under industrial conditions.
- Flexible Control Interface: Designed to interface directly with digital I/O lines from PC/104 CPU or I/O modules, enabling straightforward software control.
- Low Power Consumption: Optimized for embedded systems where power efficiency is critical.
- Versatile Switching Capability: Supports both AC and DC load switching, suitable for controlling motors, solenoids, lamps, and other actuators.
- Extended Operating Range: Designed to operate reliably across a wide temperature range typical of industrial environments.
1. Product Overview
Product Name: 8 Relay Actuator PC/104 Module with LED Indicators
Model Number: AX10455
Article Number: AX10455
Series/Family: AX104xx Series (includes AX10455 and AX10466 variants)
Manufacturer: ECP (Electronics Control Products)
Product Type: PC/104-compatible relay actuator module
General Description: The AX10455 is an industrial-grade relay actuator module designed for PC/104 embedded systems. It integrates eight independent single-pole double-throw (SPDT) relays, each capable of switching up to 1.5 A at 125 V AC. The module includes LED indicators for each relay channel, providing real-time visual feedback of relay status. It is engineered for reliable digital output control in automation, instrumentation, and embedded control applications where compactness, modularity, and robustness are essential.
2. Key Features
- Eight Independent Relays: Provides eight SPDT (Single Pole Double Throw) relay channels for flexible switching of AC or DC loads.
- High Isolation and Reliability: Each relay is galvanically isolated from the control circuitry, ensuring safe operation in mixed-signal environments.
- LED Status Indicators: Each relay output is equipped with an LED indicator that displays the on/off state, simplifying diagnostics and system monitoring.
- PC/104 Bus Compatibility: Fully compliant with the PC/104 form factor and bus interface, allowing seamless integration into stackable embedded systems.
- Compact and Modular Design: The small footprint and standardized connector layout make it ideal for space-constrained embedded applications.
- Industrial-Grade Components: Built with high-quality relays and durable PCB materials to ensure long-term reliability under industrial conditions.
- Flexible Control Interface: Designed to interface directly with digital I/O lines from PC/104 CPU or I/O modules, enabling straightforward software control.
- Low Power Consumption: Optimized for embedded systems where power efficiency is critical.
- Versatile Switching Capability: Supports both AC and DC load switching, suitable for controlling motors, solenoids, lamps, and other actuators.
- Extended Operating Range: Designed to operate reliably across a wide temperature range typical of industrial environments.
3. Technical Specifications
- Model: AX10455
- Relay Type: SPDT (Single Pole Double Throw)
- Number of Relays: 8 independent channels
- Contact Rating: 1.5 A at 125 V AC (nominal switching capacity per relay)
- Contact Configuration: Form C (changeover contacts)
- Control Interface: PC/104 bus digital output lines
- Indicators: 8 individual LED indicators (one per relay channel)
- Isolation: Electrical isolation between control and load circuits
- Operating Voltage: Typically 5 V DC or 12 V DC (depending on system configuration; refer to manufacturer documentation)
- Power Consumption: Low-power design suitable for embedded systems (exact current draw dependent on relay coil voltage)
- Dimensions: Standard PC/104 form factor (approx. 90 mm × 96 mm)
- Weight: Approximately 100–150 g (depending on configuration)
- Mounting: PC/104 stack-through connectors with mechanical mounting holes for secure stacking
- Material: FR-4 industrial-grade PCB with solder mask and silkscreen labeling
- Environmental Conditions:
- Operating Temperature: -20 °C to +70 °C (typical industrial range)
- Storage Temperature: -40 °C to +85 °C
- Humidity: 5–95% non-condensing
- Durability: Relay mechanical life typically >10⁶ operations; electrical life dependent on load type and switching frequency.
4. Functionality
The AX10455 functions as a digital output expansion module for PC/104-based embedded systems. It receives control signals from the host CPU or I/O controller via the PC/104 bus and actuates the corresponding relays. Each relay can switch an external circuit, allowing the module to control power to external devices such as motors, valves, solenoids, or lighting systems.
Use Cases and Applications:
- Industrial automation and process control
- Embedded control systems in transportation or robotics
- Laboratory instrumentation and test equipment
- Building automation (HVAC, lighting, access control)
- Remote monitoring and control systems
- Energy management and power distribution control
Compatibility:
- Fully compatible with PC/104 and PC/104+ embedded system architectures
- Can be stacked with other PC/104 modules such as CPU boards, analog I/O, digital I/O, or communication interfaces
- Compatible with standard PC/104 software drivers and libraries for digital output control
Operation Principle:
When a digital control signal is asserted on a relay channel, the corresponding relay coil energizes, switching the contact from its normally closed (NC) position to the normally open (NO) position. The LED indicator for that channel illuminates, confirming activation. When the control signal is de-asserted, the relay returns to its default state, and the LED turns off.
5. Components & Accessories
Included Items:
- AX10455 relay actuator module (assembled and tested)
- PC/104 stack-through connectors (pre-mounted)
- On-board LED indicators for each relay channel
- Identification labeling and pinout markings on PCB
Optional Accessories:
- PC/104 mounting hardware (standoffs, screws)
- External wiring harnesses or terminal adapters for relay outputs
- Protective enclosures or DIN-rail mounting kits (depending on installation environment)
- Additional AX104xx series modules for expanded relay count
Connectors:
- Standard 64-pin PC/104 bus connector (ISA-compatible)
- Relay output terminals (screw or header type, depending on configuration)
- Power input via PC/104 bus or auxiliary connector
6. Installation & Setup
Requirements:
- Compatible PC/104 host system with available stack position
- Appropriate power supply (typically 5 V DC)
- Software or firmware capable of controlling digital output lines
Mounting Options:
- Stackable installation using PC/104 bus connectors
- Secured with mechanical standoffs to maintain alignment and vibration resistance
- Optional enclosure or panel mounting for standalone operation
Configuration Steps:
1. Power down the PC/104 system before installation.
2. Align the AX10455 module with the PC/104 bus connector on the host or adjacent module.
3. Insert the module carefully, ensuring proper pin alignment.
4. Secure the module using standoffs and screws.
5. Connect external devices to the relay output terminals according to the wiring diagram.
6. Power up the system and verify LED indicators for correct operation.
7. Configure control software or firmware to address the relay channels via the PC/104 bus.
Safety Considerations:
- Ensure that load voltages and currents do not exceed the rated 1.5 A/125 V per relay.
- Maintain proper isolation between control and load circuits.
- Follow ESD handling precautions during installation.
7. Performance & Capabilities
Switching Performance:
- Contact Rating: 1.5 A at 125 V AC (resistive load)
- Switching Voltage Range: Up to 125 V AC or equivalent DC voltage (depending on relay specifications)
- Switching Time: Typically <10 ms operate, <5 ms release
- Contact Resistance: <100 mΩ (initial)
- Dielectric Strength: 1000–1500 V RMS between coil and contacts (typical)
Speed and Responsiveness:
- Fast relay actuation suitable for low- to medium-speed control applications
- Not intended for high-frequency switching due to mechanical relay limitations
Capacity and Scalability:
- Eight independent channels per module
- Multiple modules can be stacked to increase total relay count
Efficiency:
- Low coil power consumption minimizes system load
- LED indicators use low-current, high-efficiency diodes
Limitations:
- Mechanical relays have finite switching life; not suitable for high-speed PWM or continuous switching applications
- Maximum current limited to 1.5 A per channel; higher loads require external contactors or solid-state relays
8. Standards & Compliance
Form Factor Compliance:
- Fully compliant with PC/104 mechanical and electrical specifications (ISA bus standard)
Electrical Safety and EMC:
- Designed to meet industrial EMC and safety requirements (exact certifications may vary by region)
- Isolation between control and load circuits enhances safety and noise immunity
Quality and Manufacturing Standards:
- Manufactured under ISO 9001 quality management systems
- Components and assembly processes conform to RoHS (Restriction of Hazardous Substances) directives
Regulatory Compliance:
- CE marking (where applicable)
- RoHS compliant materials and lead-free soldering processes
- Designed for compliance with EN 61000-6-2 (EMC immunity) and EN 61000-6-4 (EMC emissions) industrial standards
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12 months from date of purchase) covering defects in materials and workmanship
Technical Support:
- Comprehensive technical documentation available, including pinout diagrams, wiring examples, and software integration notes
- Manufacturer provides email and phone support for integration and troubleshooting
Maintenance:
- Minimal maintenance required; periodic inspection recommended for relay contacts and connectors
- Ensure that relay contacts are not exposed to excessive arcing or overcurrent conditions
Firmware/Software Updates:
- No firmware required for basic operation; control handled by host system software
- Compatible with standard PC/104 I/O libraries and drivers for digital output control
Product Lifecycle and Availability:
- Long-term availability typical of industrial PC/104 modules
- Backward-compatible with earlier AX104xx series modules
Revision Notes:
- Product specifications and photos are subject to change without notice (as per manufacturer disclaimer ECP 6-13)
Summary:
The ECP AX10455 8 Relay Actuator PC/104 Module is a robust, compact, and versatile relay output board engineered for embedded and industrial control systems. Featuring eight SPDT relays rated at 1.5 A/125 V, it provides reliable switching for a wide range of AC and DC loads. The inclusion of LED indicators for each channel simplifies system diagnostics and monitoring. Its PC/104 bus compatibility ensures seamless integration into modular embedded architectures, while its industrial-grade design guarantees durability and performance in demanding environments. With compliance to PC/104 standards, RoHS directives, and industrial EMC norms, the AX10455 is an ideal choice for engineers seeking a dependable relay interface solution for automation, instrumentation, and embedded control applications.
Product Name: 8 Relay Actuator PC/104 Module with LED Indicators
Model Number: AX10455
Article Number: AX10455
Series/Family: AX104xx Series (includes AX10455 and AX10466 variants)
Manufacturer: ECP (Electronics Control Products)
Product Type: PC/104-compatible relay actuator module
General Description: The AX10455 is an industrial-grade relay actuator module designed for PC/104 embedded systems. It integrates eight independent single-pole double-throw (SPDT) relays, each capable of switching up to 1.5 A at 125 V AC. The module includes LED indicators for each relay channel, providing real-time visual feedback of relay status. It is engineered for reliable digital output control in automation, instrumentation, and embedded control applications where compactness, modularity, and robustness are essential.
2. Key Features
- Eight Independent Relays: Provides eight SPDT (Single Pole Double Throw) relay channels for flexible switching of AC or DC loads.
- High Isolation and Reliability: Each relay is galvanically isolated from the control circuitry, ensuring safe operation in mixed-signal environments.
- LED Status Indicators: Each relay output is equipped with an LED indicator that displays the on/off state, simplifying diagnostics and system monitoring.
- PC/104 Bus Compatibility: Fully compliant with the PC/104 form factor and bus interface, allowing seamless integration into stackable embedded systems.
- Compact and Modular Design: The small footprint and standardized connector layout make it ideal for space-constrained embedded applications.
- Industrial-Grade Components: Built with high-quality relays and durable PCB materials to ensure long-term reliability under industrial conditions.
- Flexible Control Interface: Designed to interface directly with digital I/O lines from PC/104 CPU or I/O modules, enabling straightforward software control.
- Low Power Consumption: Optimized for embedded systems where power efficiency is critical.
- Versatile Switching Capability: Supports both AC and DC load switching, suitable for controlling motors, solenoids, lamps, and other actuators.
- Extended Operating Range: Designed to operate reliably across a wide temperature range typical of industrial environments.
3. Technical Specifications
- Model: AX10455
- Relay Type: SPDT (Single Pole Double Throw)
- Number of Relays: 8 independent channels
- Contact Rating: 1.5 A at 125 V AC (nominal switching capacity per relay)
- Contact Configuration: Form C (changeover contacts)
- Control Interface: PC/104 bus digital output lines
- Indicators: 8 individual LED indicators (one per relay channel)
- Isolation: Electrical isolation between control and load circuits
- Operating Voltage: Typically 5 V DC or 12 V DC (depending on system configuration; refer to manufacturer documentation)
- Power Consumption: Low-power design suitable for embedded systems (exact current draw dependent on relay coil voltage)
- Dimensions: Standard PC/104 form factor (approx. 90 mm × 96 mm)
- Weight: Approximately 100–150 g (depending on configuration)
- Mounting: PC/104 stack-through connectors with mechanical mounting holes for secure stacking
- Material: FR-4 industrial-grade PCB with solder mask and silkscreen labeling
- Environmental Conditions:
- Operating Temperature: -20 °C to +70 °C (typical industrial range)
- Storage Temperature: -40 °C to +85 °C
- Humidity: 5–95% non-condensing
- Durability: Relay mechanical life typically >10⁶ operations; electrical life dependent on load type and switching frequency.
4. Functionality
The AX10455 functions as a digital output expansion module for PC/104-based embedded systems. It receives control signals from the host CPU or I/O controller via the PC/104 bus and actuates the corresponding relays. Each relay can switch an external circuit, allowing the module to control power to external devices such as motors, valves, solenoids, or lighting systems.
Use Cases and Applications:
- Industrial automation and process control
- Embedded control systems in transportation or robotics
- Laboratory instrumentation and test equipment
- Building automation (HVAC, lighting, access control)
- Remote monitoring and control systems
- Energy management and power distribution control
Compatibility:
- Fully compatible with PC/104 and PC/104+ embedded system architectures
- Can be stacked with other PC/104 modules such as CPU boards, analog I/O, digital I/O, or communication interfaces
- Compatible with standard PC/104 software drivers and libraries for digital output control
Operation Principle:
When a digital control signal is asserted on a relay channel, the corresponding relay coil energizes, switching the contact from its normally closed (NC) position to the normally open (NO) position. The LED indicator for that channel illuminates, confirming activation. When the control signal is de-asserted, the relay returns to its default state, and the LED turns off.
5. Components & Accessories
Included Items:
- AX10455 relay actuator module (assembled and tested)
- PC/104 stack-through connectors (pre-mounted)
- On-board LED indicators for each relay channel
- Identification labeling and pinout markings on PCB
Optional Accessories:
- PC/104 mounting hardware (standoffs, screws)
- External wiring harnesses or terminal adapters for relay outputs
- Protective enclosures or DIN-rail mounting kits (depending on installation environment)
- Additional AX104xx series modules for expanded relay count
Connectors:
- Standard 64-pin PC/104 bus connector (ISA-compatible)
- Relay output terminals (screw or header type, depending on configuration)
- Power input via PC/104 bus or auxiliary connector
6. Installation & Setup
Requirements:
- Compatible PC/104 host system with available stack position
- Appropriate power supply (typically 5 V DC)
- Software or firmware capable of controlling digital output lines
Mounting Options:
- Stackable installation using PC/104 bus connectors
- Secured with mechanical standoffs to maintain alignment and vibration resistance
- Optional enclosure or panel mounting for standalone operation
Configuration Steps:
1. Power down the PC/104 system before installation.
2. Align the AX10455 module with the PC/104 bus connector on the host or adjacent module.
3. Insert the module carefully, ensuring proper pin alignment.
4. Secure the module using standoffs and screws.
5. Connect external devices to the relay output terminals according to the wiring diagram.
6. Power up the system and verify LED indicators for correct operation.
7. Configure control software or firmware to address the relay channels via the PC/104 bus.
Safety Considerations:
- Ensure that load voltages and currents do not exceed the rated 1.5 A/125 V per relay.
- Maintain proper isolation between control and load circuits.
- Follow ESD handling precautions during installation.
7. Performance & Capabilities
Switching Performance:
- Contact Rating: 1.5 A at 125 V AC (resistive load)
- Switching Voltage Range: Up to 125 V AC or equivalent DC voltage (depending on relay specifications)
- Switching Time: Typically <10 ms operate, <5 ms release
- Contact Resistance: <100 mΩ (initial)
- Dielectric Strength: 1000–1500 V RMS between coil and contacts (typical)
Speed and Responsiveness:
- Fast relay actuation suitable for low- to medium-speed control applications
- Not intended for high-frequency switching due to mechanical relay limitations
Capacity and Scalability:
- Eight independent channels per module
- Multiple modules can be stacked to increase total relay count
Efficiency:
- Low coil power consumption minimizes system load
- LED indicators use low-current, high-efficiency diodes
Limitations:
- Mechanical relays have finite switching life; not suitable for high-speed PWM or continuous switching applications
- Maximum current limited to 1.5 A per channel; higher loads require external contactors or solid-state relays
8. Standards & Compliance
Form Factor Compliance:
- Fully compliant with PC/104 mechanical and electrical specifications (ISA bus standard)
Electrical Safety and EMC:
- Designed to meet industrial EMC and safety requirements (exact certifications may vary by region)
- Isolation between control and load circuits enhances safety and noise immunity
Quality and Manufacturing Standards:
- Manufactured under ISO 9001 quality management systems
- Components and assembly processes conform to RoHS (Restriction of Hazardous Substances) directives
Regulatory Compliance:
- CE marking (where applicable)
- RoHS compliant materials and lead-free soldering processes
- Designed for compliance with EN 61000-6-2 (EMC immunity) and EN 61000-6-4 (EMC emissions) industrial standards
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12 months from date of purchase) covering defects in materials and workmanship
Technical Support:
- Comprehensive technical documentation available, including pinout diagrams, wiring examples, and software integration notes
- Manufacturer provides email and phone support for integration and troubleshooting
Maintenance:
- Minimal maintenance required; periodic inspection recommended for relay contacts and connectors
- Ensure that relay contacts are not exposed to excessive arcing or overcurrent conditions
Firmware/Software Updates:
- No firmware required for basic operation; control handled by host system software
- Compatible with standard PC/104 I/O libraries and drivers for digital output control
Product Lifecycle and Availability:
- Long-term availability typical of industrial PC/104 modules
- Backward-compatible with earlier AX104xx series modules
Revision Notes:
- Product specifications and photos are subject to change without notice (as per manufacturer disclaimer ECP 6-13)
Summary:
The ECP AX10455 8 Relay Actuator PC/104 Module is a robust, compact, and versatile relay output board engineered for embedded and industrial control systems. Featuring eight SPDT relays rated at 1.5 A/125 V, it provides reliable switching for a wide range of AC and DC loads. The inclusion of LED indicators for each channel simplifies system diagnostics and monitoring. Its PC/104 bus compatibility ensures seamless integration into modular embedded architectures, while its industrial-grade design guarantees durability and performance in demanding environments. With compliance to PC/104 standards, RoHS directives, and industrial EMC norms, the AX10455 is an ideal choice for engineers seeking a dependable relay interface solution for automation, instrumentation, and embedded control applications.
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ax10455 and ax10466.pdf
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