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- 24 Optically Isolated Digital Inputs: Each channel is individually isolated to 2500 V, ensuring electrical separation between field signals and control electronics.
- Adjustable Switching Threshold: Configurable input switching threshold from 3 V DC to 24 V DC, allowing compatibility with a wide range of digital sensors, switches, and logic levels.
- High Noise Immunity: Optical isolation provides superior protection against voltage spikes, ground loops, and electromagnetic interference (EMI).
- Compact Design: Space-efficient panel dimensions of 220 mm × 132 mm × 15 mm enable easy integration into control cabinets or DIN-rail assemblies.
- Standardized Connectivity: Equipped with a 1 m flat ribbon cable and a 50-pin connector for straightforward connection to data acquisition systems, PLCs, or I/O controllers.
- Industrial-Grade Reliability: Designed for continuous operation in demanding environments, ensuring long-term stability and low maintenance.
- Flexible Integration: Suitable for both low-voltage logic systems and higher-voltage industrial sensors due to its adjustable input threshold.
- Plug-and-Play Interface: Pre-terminated cable and standardized connector simplify installation and reduce wiring errors.
- Adjustable Switching Threshold: Configurable input switching threshold from 3 V DC to 24 V DC, allowing compatibility with a wide range of digital sensors, switches, and logic levels.
- High Noise Immunity: Optical isolation provides superior protection against voltage spikes, ground loops, and electromagnetic interference (EMI).
- Compact Design: Space-efficient panel dimensions of 220 mm × 132 mm × 15 mm enable easy integration into control cabinets or DIN-rail assemblies.
- Standardized Connectivity: Equipped with a 1 m flat ribbon cable and a 50-pin connector for straightforward connection to data acquisition systems, PLCs, or I/O controllers.
- Industrial-Grade Reliability: Designed for continuous operation in demanding environments, ensuring long-term stability and low maintenance.
- Flexible Integration: Suitable for both low-voltage logic systems and higher-voltage industrial sensors due to its adjustable input threshold.
- Plug-and-Play Interface: Pre-terminated cable and standardized connector simplify installation and reduce wiring errors.
1. Product Overview
Product Name: Isolated 24 DI Panel
Model: AX754
Series: AX700 Series (Digital Input Interface Modules)
Article Number: AX754
Manufacturer: Axiom
The Axiom AX754 is a high-performance, optically isolated digital input (DI) interface panel designed for industrial automation, control systems, and signal acquisition applications. It provides 24 independent digital input channels, each galvanically isolated to ensure reliable signal integrity and protection against electrical interference. The AX754 serves as a robust interface between field-level digital signals and control or monitoring systems, offering flexible input voltage thresholds and a compact, panel-mountable form factor.
2. Key Features
- 24 Optically Isolated Digital Inputs: Each channel is individually isolated to 2500 V, ensuring electrical separation between field signals and control electronics.
- Adjustable Switching Threshold: Configurable input switching threshold from 3 V DC to 24 V DC, allowing compatibility with a wide range of digital sensors, switches, and logic levels.
- High Noise Immunity: Optical isolation provides superior protection against voltage spikes, ground loops, and electromagnetic interference (EMI).
- Compact Design: Space-efficient panel dimensions of 220 mm × 132 mm × 15 mm enable easy integration into control cabinets or DIN-rail assemblies.
- Standardized Connectivity: Equipped with a 1 m flat ribbon cable and a 50-pin connector for straightforward connection to data acquisition systems, PLCs, or I/O controllers.
- Industrial-Grade Reliability: Designed for continuous operation in demanding environments, ensuring long-term stability and low maintenance.
- Flexible Integration: Suitable for both low-voltage logic systems and higher-voltage industrial sensors due to its adjustable input threshold.
- Plug-and-Play Interface: Pre-terminated cable and standardized connector simplify installation and reduce wiring errors.
3. Technical Specifications
- Model: AX754
- Manufacturer: Axiom
- Type: Optically Isolated Digital Input Panel
- Number of Channels: 24 independent digital input channels
- Isolation Voltage: 2500 V (optical isolation between input and logic side)
- Input Voltage Range: 3 V DC to 24 V DC (adjustable switching threshold)
- Input Type: DC digital input, opto-isolated
- Connector Type: 50-pin flat cable connector (IDC type)
- Cable Length: 1 m flat ribbon cable (included)
- Panel Dimensions: 220 mm (W) × 132 mm (H) × 15 mm (D)
- Material: Industrial-grade PCB with protective coating and mounting holes
- Mounting: Panel-mount or enclosure integration
- Operating Voltage: Typically 5 V DC or 12 V DC logic side (depending on system interface)
- Input Current: Typically 5–10 mA per channel (depending on input voltage and threshold setting)
- Isolation Type: Optocoupler-based galvanic isolation
- Response Time: Typically <1 ms per channel (depending on input signal characteristics)
- Operating Temperature Range: 0 °C to +55 °C (typical industrial range)
- Storage Temperature Range: -20 °C to +70 °C
- Humidity: 10–90 % RH, non-condensing
- Weight: Approx. 250–300 g (including cable)
4. Functionality
The Axiom AX754 functions as an interface module that converts and isolates digital input signals from field devices before they are transmitted to a control or monitoring system. Each of the 24 input channels is connected through an optocoupler, which electrically isolates the input signal from the logic circuitry. This design prevents ground potential differences and electrical noise from affecting the control system.
Typical Use Cases:
- Industrial automation systems for monitoring sensors, switches, and limit detectors
- PLC (Programmable Logic Controller) digital input expansion
- Data acquisition systems requiring multiple isolated inputs
- Machine control panels and distributed I/O systems
- Laboratory and test equipment signal interfacing
- Building automation and process control applications
Compatibility:
The AX754 is compatible with standard 50-pin digital I/O interfaces used in industrial controllers, DAQ cards, and embedded systems. It can be connected directly to Axiom or third-party I/O boards that support 24-channel digital input configurations. The adjustable threshold allows interfacing with both TTL-level (3–5 V) and industrial-level (12–24 V) signals.
5. Components & Accessories
Included Items:
- AX754 Isolated 24 DI Panel (main unit)
- 1 m flat ribbon cable (50-pin IDC connector)
- Pre-installed 50-pin connector for direct interface connection
- Mounting holes for panel or enclosure installation
Optional Accessories (available separately):
- Extended flat ribbon cables (2 m, 3 m, or custom lengths)
- DIN-rail mounting brackets or panel adapters
- Connector adapters for various I/O boards
- Protective enclosures or dust covers
- Replacement optocouplers or input modules (for maintenance)
Connectors:
- Input Side: Terminal or header interface for field wiring (depending on configuration)
- Output Side: 50-pin IDC connector for system interface
- Cable: 1 m flat ribbon cable, 50-pin, standard pitch
6. Installation & Setup
Requirements:
- Compatible digital I/O controller or DAQ system with 50-pin interface
- Power supply for logic side (typically 5 V DC or 12 V DC, depending on system)
- Mounting surface or enclosure with sufficient space (minimum 220 × 132 mm footprint)
Mounting Options:
- Direct panel mounting using pre-drilled holes
- Integration into rack or enclosure systems
- Optional DIN-rail mounting with adapter brackets
Configuration Steps:
1. Mount the Panel: Secure the AX754 to the designated panel or enclosure using screws or brackets.
2. Connect the Cable: Attach the 50-pin ribbon cable to the corresponding I/O connector on the control system.
3. Wire the Inputs: Connect field devices (switches, sensors, etc.) to the input terminals or headers.
4. Set Input Threshold: Adjust the switching threshold (3–24 V DC) according to the input signal voltage range.
5. Power On and Test: Apply power to the system and verify input signal detection through the control software or indicator LEDs (if present).
Safety Considerations:
- Ensure all wiring is performed with power disconnected.
- Maintain proper grounding and shielding to minimize noise.
- Do not exceed the rated isolation voltage of 2500 V.
7. Performance & Capabilities
Speed:
- Fast response time (<1 ms typical) suitable for high-speed digital signal acquisition.
Capacity:
- 24 independent input channels allow simultaneous monitoring of multiple field signals.
Efficiency:
- Optocoupler isolation minimizes power consumption while providing robust signal integrity.
Signal Integrity:
- High common-mode rejection ratio (CMRR) ensures reliable operation in electrically noisy environments.
Limitations:
- Designed for DC digital inputs only; not suitable for AC signal detection.
- Input voltage range limited to 24 V DC maximum.
- Requires compatible 50-pin interface for connection to host system.
Reliability:
- Industrial-grade components ensure long operational life and minimal maintenance.
- Optical isolation prevents damage from transient voltages and ground loops.
8. Standards & Compliance
Certifications:
- Designed in accordance with industrial electronic safety and EMC standards.
- Isolation rating tested to 2500 V RMS per channel.
Regulatory Compliance:
- CE compliant (Electromagnetic Compatibility and Low Voltage Directives)
- RoHS compliant (Restriction of Hazardous Substances)
- Conforms to IEC 61010-1 (Safety requirements for electrical equipment for measurement, control, and laboratory use)
Industry Standards:
- Compatible with standard 50-pin IDC pinout used in industrial I/O systems.
- Meets typical industrial automation interface specifications for digital input modules.
9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically 12–24 months, depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical documentation, wiring diagrams, and configuration guides available from Axiom.
- Customer support via email, phone, or online service portal.
- Firmware or configuration updates (if applicable) provided through manufacturer’s website.
Maintenance:
- Minimal maintenance required; periodic inspection recommended for connectors and wiring.
- Clean with dry, lint-free cloth; avoid exposure to moisture or corrosive environments.
- Replace optocouplers or connectors if damaged or degraded over time.
Updates & Revisions:
- The AX754 may be part of an evolving product line; updated versions may include enhanced isolation, LED indicators, or extended voltage ranges.
- Backward compatibility with existing Axiom digital I/O systems is typically maintained.
Summary
The Axiom AX754 Isolated 24 DI Panel is a robust, industrial-grade digital input interface designed for reliable signal acquisition and electrical isolation in automation and control systems. With 24 optically isolated channels rated at 2500 V, adjustable input thresholds from 3 V DC to 24 V DC, and a standardized 50-pin connector with a 1 m ribbon cable, the AX754 offers exceptional flexibility and ease of integration. Its compact 220 × 132 × 15 mm form factor, high noise immunity, and compliance with industrial safety standards make it an ideal choice for engineers and system integrators seeking dependable digital input interfacing solutions.
Product Name: Isolated 24 DI Panel
Model: AX754
Series: AX700 Series (Digital Input Interface Modules)
Article Number: AX754
Manufacturer: Axiom
The Axiom AX754 is a high-performance, optically isolated digital input (DI) interface panel designed for industrial automation, control systems, and signal acquisition applications. It provides 24 independent digital input channels, each galvanically isolated to ensure reliable signal integrity and protection against electrical interference. The AX754 serves as a robust interface between field-level digital signals and control or monitoring systems, offering flexible input voltage thresholds and a compact, panel-mountable form factor.
2. Key Features
- 24 Optically Isolated Digital Inputs: Each channel is individually isolated to 2500 V, ensuring electrical separation between field signals and control electronics.
- Adjustable Switching Threshold: Configurable input switching threshold from 3 V DC to 24 V DC, allowing compatibility with a wide range of digital sensors, switches, and logic levels.
- High Noise Immunity: Optical isolation provides superior protection against voltage spikes, ground loops, and electromagnetic interference (EMI).
- Compact Design: Space-efficient panel dimensions of 220 mm × 132 mm × 15 mm enable easy integration into control cabinets or DIN-rail assemblies.
- Standardized Connectivity: Equipped with a 1 m flat ribbon cable and a 50-pin connector for straightforward connection to data acquisition systems, PLCs, or I/O controllers.
- Industrial-Grade Reliability: Designed for continuous operation in demanding environments, ensuring long-term stability and low maintenance.
- Flexible Integration: Suitable for both low-voltage logic systems and higher-voltage industrial sensors due to its adjustable input threshold.
- Plug-and-Play Interface: Pre-terminated cable and standardized connector simplify installation and reduce wiring errors.
3. Technical Specifications
- Model: AX754
- Manufacturer: Axiom
- Type: Optically Isolated Digital Input Panel
- Number of Channels: 24 independent digital input channels
- Isolation Voltage: 2500 V (optical isolation between input and logic side)
- Input Voltage Range: 3 V DC to 24 V DC (adjustable switching threshold)
- Input Type: DC digital input, opto-isolated
- Connector Type: 50-pin flat cable connector (IDC type)
- Cable Length: 1 m flat ribbon cable (included)
- Panel Dimensions: 220 mm (W) × 132 mm (H) × 15 mm (D)
- Material: Industrial-grade PCB with protective coating and mounting holes
- Mounting: Panel-mount or enclosure integration
- Operating Voltage: Typically 5 V DC or 12 V DC logic side (depending on system interface)
- Input Current: Typically 5–10 mA per channel (depending on input voltage and threshold setting)
- Isolation Type: Optocoupler-based galvanic isolation
- Response Time: Typically <1 ms per channel (depending on input signal characteristics)
- Operating Temperature Range: 0 °C to +55 °C (typical industrial range)
- Storage Temperature Range: -20 °C to +70 °C
- Humidity: 10–90 % RH, non-condensing
- Weight: Approx. 250–300 g (including cable)
4. Functionality
The Axiom AX754 functions as an interface module that converts and isolates digital input signals from field devices before they are transmitted to a control or monitoring system. Each of the 24 input channels is connected through an optocoupler, which electrically isolates the input signal from the logic circuitry. This design prevents ground potential differences and electrical noise from affecting the control system.
Typical Use Cases:
- Industrial automation systems for monitoring sensors, switches, and limit detectors
- PLC (Programmable Logic Controller) digital input expansion
- Data acquisition systems requiring multiple isolated inputs
- Machine control panels and distributed I/O systems
- Laboratory and test equipment signal interfacing
- Building automation and process control applications
Compatibility:
The AX754 is compatible with standard 50-pin digital I/O interfaces used in industrial controllers, DAQ cards, and embedded systems. It can be connected directly to Axiom or third-party I/O boards that support 24-channel digital input configurations. The adjustable threshold allows interfacing with both TTL-level (3–5 V) and industrial-level (12–24 V) signals.
5. Components & Accessories
Included Items:
- AX754 Isolated 24 DI Panel (main unit)
- 1 m flat ribbon cable (50-pin IDC connector)
- Pre-installed 50-pin connector for direct interface connection
- Mounting holes for panel or enclosure installation
Optional Accessories (available separately):
- Extended flat ribbon cables (2 m, 3 m, or custom lengths)
- DIN-rail mounting brackets or panel adapters
- Connector adapters for various I/O boards
- Protective enclosures or dust covers
- Replacement optocouplers or input modules (for maintenance)
Connectors:
- Input Side: Terminal or header interface for field wiring (depending on configuration)
- Output Side: 50-pin IDC connector for system interface
- Cable: 1 m flat ribbon cable, 50-pin, standard pitch
6. Installation & Setup
Requirements:
- Compatible digital I/O controller or DAQ system with 50-pin interface
- Power supply for logic side (typically 5 V DC or 12 V DC, depending on system)
- Mounting surface or enclosure with sufficient space (minimum 220 × 132 mm footprint)
Mounting Options:
- Direct panel mounting using pre-drilled holes
- Integration into rack or enclosure systems
- Optional DIN-rail mounting with adapter brackets
Configuration Steps:
1. Mount the Panel: Secure the AX754 to the designated panel or enclosure using screws or brackets.
2. Connect the Cable: Attach the 50-pin ribbon cable to the corresponding I/O connector on the control system.
3. Wire the Inputs: Connect field devices (switches, sensors, etc.) to the input terminals or headers.
4. Set Input Threshold: Adjust the switching threshold (3–24 V DC) according to the input signal voltage range.
5. Power On and Test: Apply power to the system and verify input signal detection through the control software or indicator LEDs (if present).
Safety Considerations:
- Ensure all wiring is performed with power disconnected.
- Maintain proper grounding and shielding to minimize noise.
- Do not exceed the rated isolation voltage of 2500 V.
7. Performance & Capabilities
Speed:
- Fast response time (<1 ms typical) suitable for high-speed digital signal acquisition.
Capacity:
- 24 independent input channels allow simultaneous monitoring of multiple field signals.
Efficiency:
- Optocoupler isolation minimizes power consumption while providing robust signal integrity.
Signal Integrity:
- High common-mode rejection ratio (CMRR) ensures reliable operation in electrically noisy environments.
Limitations:
- Designed for DC digital inputs only; not suitable for AC signal detection.
- Input voltage range limited to 24 V DC maximum.
- Requires compatible 50-pin interface for connection to host system.
Reliability:
- Industrial-grade components ensure long operational life and minimal maintenance.
- Optical isolation prevents damage from transient voltages and ground loops.
8. Standards & Compliance
Certifications:
- Designed in accordance with industrial electronic safety and EMC standards.
- Isolation rating tested to 2500 V RMS per channel.
Regulatory Compliance:
- CE compliant (Electromagnetic Compatibility and Low Voltage Directives)
- RoHS compliant (Restriction of Hazardous Substances)
- Conforms to IEC 61010-1 (Safety requirements for electrical equipment for measurement, control, and laboratory use)
Industry Standards:
- Compatible with standard 50-pin IDC pinout used in industrial I/O systems.
- Meets typical industrial automation interface specifications for digital input modules.
9. Additional Information
Warranty:
- Standard manufacturer’s warranty (typically 12–24 months, depending on region and distributor).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical documentation, wiring diagrams, and configuration guides available from Axiom.
- Customer support via email, phone, or online service portal.
- Firmware or configuration updates (if applicable) provided through manufacturer’s website.
Maintenance:
- Minimal maintenance required; periodic inspection recommended for connectors and wiring.
- Clean with dry, lint-free cloth; avoid exposure to moisture or corrosive environments.
- Replace optocouplers or connectors if damaged or degraded over time.
Updates & Revisions:
- The AX754 may be part of an evolving product line; updated versions may include enhanced isolation, LED indicators, or extended voltage ranges.
- Backward compatibility with existing Axiom digital I/O systems is typically maintained.
Summary
The Axiom AX754 Isolated 24 DI Panel is a robust, industrial-grade digital input interface designed for reliable signal acquisition and electrical isolation in automation and control systems. With 24 optically isolated channels rated at 2500 V, adjustable input thresholds from 3 V DC to 24 V DC, and a standardized 50-pin connector with a 1 m ribbon cable, the AX754 offers exceptional flexibility and ease of integration. Its compact 220 × 132 × 15 mm form factor, high noise immunity, and compliance with industrial safety standards make it an ideal choice for engineers and system integrators seeking dependable digital input interfacing solutions.
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