1. Product Overview
Product Name: General Purpose Screw Terminal Panel
Model: AX750
Series: AX Series Terminal Interface Panels
Article Number: AX750
Manufacturer: Axiom

The Axiom AX750 is a general-purpose screw terminal interface panel designed to provide a reliable, organized, and efficient connection point between field wiring and control or measurement systems. It serves as a versatile interconnection solution for industrial automation, laboratory instrumentation, and electronic prototyping environments. The AX750 integrates a robust terminal block assembly with a pre-attached flat cable, simplifying wiring tasks and ensuring consistent signal integrity across multiple channels.

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2. Key Features
- General-Purpose Interface: Designed for universal use in control systems, data acquisition setups, and signal distribution applications.
- High-Density Terminal Configuration: Equipped with 4 × 20 large screw clamp terminal blocks, providing a total of 80 individual connection points for signal or power wiring.
- Integrated Cable Assembly: Supplied with a 1-meter flat cable terminated with a 50-pin flat cable connector, enabling direct connection to compatible I/O modules, PLCs, or data acquisition boards.
- Compact and Durable Construction: The panel measures 220 × 132 × 15 mm, offering a compact footprint suitable for control cabinets, test benches, or rack-mounted systems.
- Ease of Wiring: Large screw terminals accommodate a wide range of wire gauges, ensuring secure mechanical and electrical connections.
- Clear Signal Routing: The terminal layout supports organized wiring schemes, reducing installation time and minimizing wiring errors.
- Versatile Compatibility: Designed to interface with standard 50-pin ribbon cable connectors (IDC type), making it compatible with a wide range of industrial and laboratory equipment.
- Reliable Electrical Performance: Ensures low contact resistance and stable signal transmission across all channels.
- Axiom Quality Assurance: Manufactured by Axiom, known for precision-engineered connectivity and interface solutions for industrial and electronic applications.

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3. Technical Specifications
- Product Type: General-purpose screw terminal interface panel
- Model Number: AX750
- Manufacturer: Axiom
- Article Number: AX750
- Terminal Configuration: 4 × 20 large screw clamp terminal blocks (80 total terminals)
- Cable Type: Flat ribbon cable
- Cable Length: 1 meter (1000 mm)
- Cable Connector: 50-pin flat cable connector (IDC type)
- Panel Dimensions: 220 mm (L) × 132 mm (W) × 15 mm (H)
- Material (Panel Base): Rigid insulating substrate (typically FR-4 or equivalent industrial-grade composite)
- Terminal Material: Nickel-plated brass or tinned copper alloy (for corrosion resistance and conductivity)
- Screw Type: Slotted or Phillips head screws for secure tightening
- Mounting Holes: Pre-drilled for panel or DIN rail mounting (depending on configuration)
- Operating Temperature Range: Typically -20°C to +70°C (dependent on installation environment)
- Insulation Resistance: >100 MΩ at 500 VDC (typical for terminal blocks of this class)
- Dielectric Strength: 1500 VAC for 1 minute (typical)
- Contact Resistance: <20 mΩ per terminal connection
- Weight: Approximately 250–350 g (depending on cable type and connector)
- Color: Standard industrial green or gray terminal blocks with printed channel numbering

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4. Functionality
The Axiom AX750 functions as an intermediary connection panel between field wiring and electronic control or measurement systems. Each of the 80 screw terminals corresponds to a pin on the 50-pin flat cable connector, allowing signals to be easily routed from sensors, actuators, or external devices to a controller or data acquisition unit.

How It Works:
1. Signal Input/Output: Field wires are connected to the screw terminals using a screwdriver. Each terminal securely clamps the conductor, ensuring a stable electrical connection.
2. Signal Transmission: The internal traces on the panel route each terminal to a corresponding pin on the 50-pin connector.
3. System Integration: The 1-meter flat cable connects the panel to a compatible device (e.g., PLC input/output card, DAQ module, or interface board).
4. Maintenance and Testing: The terminal layout allows easy access for measurement probes or reconfiguration without disturbing other connections.

Use Cases and Applications:
- Industrial automation control panels
- PLC (Programmable Logic Controller) I/O expansion interfaces
- Data acquisition and signal conditioning systems
- Laboratory instrumentation setups
- Test and measurement equipment interconnections
- Prototyping and development environments requiring quick wiring changes
- Educational and training systems for electronics and automation

Compatibility:
- Compatible with standard 50-pin IDC connectors used in many PLC and DAQ systems (e.g., Omron, Mitsubishi, Siemens, National Instruments, and similar platforms).
- Suitable for both analog and digital signal interfacing.
- Can be used with shielded or unshielded cables depending on noise immunity requirements.

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5. Components & Accessories
Included Items:
- 1 × AX750 general-purpose screw terminal panel
- 1 × 1-meter flat ribbon cable
- 1 × 50-pin IDC flat cable connector (factory-terminated)

Optional Accessories (available separately):
- DIN rail mounting brackets or panel mounting screws
- Additional flat cables of varying lengths (0.5 m, 2 m, etc.)
- Protective covers or labeling strips for terminal identification
- Cable strain relief clamps
- Replacement terminal blocks (if required for maintenance)

Connectors and Interface Details:
- Connector Type: 50-pin IDC (Insulation Displacement Connector)
- Pin Pitch: 2.54 mm (standard ribbon cable spacing)
- Terminal Type: Screw clamp, single-level, large format for easy wire insertion
- Wire Size Range: Typically supports 0.2–2.5 mm² (AWG 24–14) conductors

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6. Installation & Setup
Requirements:
- Standard screwdriver for terminal tightening
- Compatible 50-pin header or socket on the target device
- Mounting surface or DIN rail (depending on installation preference)

Mounting Options:
- Panel Mounting: The AX750 can be secured to a flat surface using screws through pre-drilled mounting holes.
- DIN Rail Mounting: Optional DIN rail adapters allow quick installation in control cabinets.

Configuration Steps:
1. Mount the Panel: Secure the AX750 in the desired location within the control cabinet or test bench.
2. Connect the Flat Cable: Attach the 50-pin connector to the corresponding header on the target device. Ensure correct orientation (pin 1 alignment).
3. Wire the Terminals: Strip the insulation from each wire (typically 5–7 mm), insert into the terminal, and tighten the screw to secure.
4. Label Connections: Use terminal numbering or labeling strips to identify signal paths.
5. Verify Continuity: Check connections using a multimeter before powering the system.

Safety Considerations:
- Ensure power is disconnected before wiring.
- Avoid over-tightening screws to prevent damage to terminals.
- Maintain proper insulation clearance between high-voltage and low-voltage circuits.

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7. Performance & Capabilities
Electrical Performance:
- Contact Resistance: Low (<20 mΩ), ensuring minimal signal loss.
- Insulation Resistance: High (>100 MΩ), providing excellent isolation between channels.
- Voltage Rating: Typically up to 300 V (depending on wire and insulation type).
- Current Rating: Up to 5 A per terminal (typical for large screw clamp terminals).

Signal Integrity:
The short internal trace lengths and direct cable connection minimize signal degradation, making the AX750 suitable for both analog and digital signals, including low-level sensor outputs and control signals.

Mechanical Performance:
- Durability: Designed for repeated wiring cycles without degradation.
- Vibration Resistance: Screw terminals maintain secure connections under moderate vibration conditions typical of industrial environments.
- Temperature Stability: Operates reliably across a wide temperature range, suitable for most indoor industrial applications.

Limitations:
- Not intended for high-frequency or high-voltage applications beyond rated specifications.
- Requires appropriate shielding or grounding in electrically noisy environments.
- Cable length limited to 1 meter (longer cables may introduce signal attenuation).

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8. Standards & Compliance
The Axiom AX750 is designed and manufactured in accordance with common industrial and electrical interface standards to ensure safety, reliability, and interoperability.

Compliance and Standards:
- RoHS (Restriction of Hazardous Substances): Compliant, free from lead and other restricted materials.
- REACH Regulation: Conforms to European chemical safety requirements.
- CE Marking: Meets applicable EU directives for low-voltage and EMC compliance (when used within specified parameters).
- UL/CSA Terminal Block Standards: Terminal components typically conform to UL1059 and CSA C22.2 standards for terminal blocks.
- ISO 9001 Manufacturing: Produced under quality management systems certified to ISO 9001 standards.

Environmental Compliance:
- Designed for long service life and recyclability.
- Materials selected for minimal environmental impact.

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9. Additional Information
Warranty:
- Standard manufacturer’s warranty: 12 months from the date of purchase (may vary by region).
- Covers defects in materials and workmanship under normal operating conditions.

Support:
- Technical documentation, wiring diagrams, and pinout charts available from Axiom’s support portal.
- Customer service and technical assistance provided via email or phone.
- Replacement parts and accessories available through authorized distributors.

Maintenance:
- Periodic inspection recommended to ensure terminal screws remain tight.
- Clean with a dry or slightly damp cloth; avoid solvents or abrasive materials.
- Replace damaged cables or connectors immediately to maintain performance.

Updates and Product Lifecycle:
- The AX750 is part of Axiom’s ongoing AX Series, ensuring long-term availability and compatibility with future interface modules.
- Firmware or software updates are not applicable (passive hardware device).
- Product revisions may include improved materials or updated labeling for enhanced usability.

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Summary:
The Axiom AX750 General Purpose Screw Terminal Panel is a robust, high-quality interface solution designed for efficient signal and power distribution in industrial, laboratory, and automation environments. With its 4 × 20 large screw clamp terminals, 1-meter flat ribbon cable, and 50-pin IDC connector, it provides a reliable bridge between field wiring and electronic control systems. Its compact 220 × 132 × 15 mm form factor, durable construction, and compliance with international standards make it a dependable choice for engineers, technicians, and system integrators seeking a versatile and maintainable wiring interface.

The AX750 exemplifies Axiom’s commitment to precision, reliability, and ease of integration—offering a practical, ready-to-use terminal solution for a wide range of electrical and electronic applications.