1. Product Overview
Product Name: SCSI-VHDCI Dual 68-Pin Male/Male Cable
Model Number: ACL-10568D-3
Article Number: ACL-10568D-3
Series: Accessory Cable Line for PCI-744x Series
Manufacturer: ADLINK Technology Inc.

The ADLINK ACL-10568D-3 is a high-performance SCSI-VHDCI (Very High Density Cable Interconnect) dual 68-pin male-to-male cable designed specifically for use with ADLINK’s PCI-744x series data acquisition and control cards. Engineered for reliable high-speed data transmission, this cable provides a robust and interference-resistant connection between PCI-based motion control or I/O interface cards and external devices or terminal boards. With a total length of 3 meters, it offers flexibility in system layout while maintaining signal integrity and compliance with SCSI and VHDCI standards.

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2. Key Features
- Dual 68-Pin VHDCI Connectors: Equipped with two 68-pin male VHDCI connectors, ensuring compatibility with standard SCSI-3 and VHDCI interfaces.
- Optimized for PCI-744x Series: Specifically designed for ADLINK PCI-744x motion control and digital I/O cards, ensuring full electrical and mechanical compatibility.
- High-Speed Data Transmission: Supports high-frequency signal transfer with minimal crosstalk and attenuation, suitable for demanding industrial and laboratory environments.
- 3-Meter Cable Length: Provides extended reach for flexible equipment placement without compromising signal quality.
- Durable Construction: Features shielded twisted-pair wiring and robust molded connectors for long-term reliability and resistance to mechanical stress.
- Low Signal Interference: Full shielding and precision impedance control minimize electromagnetic interference (EMI) and radio frequency interference (RFI).
- Plug-and-Play Connectivity: Standardized VHDCI connectors allow quick installation and replacement without special tools.
- Industrial-Grade Reliability: Designed for continuous operation in industrial automation, test, and measurement systems.

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3. Technical Specifications
- Cable Type: SCSI-VHDCI dual 68-pin male-to-male cable
- Connector Type: VHDCI 68-pin (male) on both ends
- Connector Standard: SCSI-3 / VHDCI (Very High Density Cable Interconnect)
- Pin Count: 68 pins per connector
- Cable Length: 3 meters (approx. 9.84 feet)
- Conductor Type: Shielded twisted pair (STP)
- Shielding: Full foil and braid shielding for EMI/RFI protection
- Impedance: 100 ± 10 ohms (typical for SCSI/VHDCI cables)
- Cable Diameter: Approx. 8–10 mm (depending on shielding and insulation)
- Material:
- Conductors: High-purity copper
- Insulation: PVC or low-smoke halogen-free material (depending on production batch)
- Outer Jacket: Flexible PVC or thermoplastic elastomer for durability
- Color: Standard black outer jacket
- Weight: Approx. 0.4–0.6 kg (depending on cable gauge and shielding)
- Operating Temperature Range: -20°C to +75°C
- Storage Temperature Range: -40°C to +85°C
- Bend Radius: Minimum 10× cable diameter
- Compliance: Meets SCSI-3 and VHDCI mechanical and electrical specifications

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4. Functionality
The ACL-10568D-3 functions as a high-density interconnect cable for transmitting digital signals between ADLINK PCI-744x series cards and external devices such as terminal boards, breakout modules, or motion control interfaces. Each of the 68 pins carries differential or single-ended signals, depending on the configuration of the connected hardware.

Use Cases and Applications:
- Motion Control Systems: Connects PCI-744x motion control cards to external servo or stepper motor drivers.
- Data Acquisition (DAQ): Links PCI-based DAQ cards to external signal conditioning modules.
- Industrial Automation: Provides reliable communication between control PCs and field I/O devices.
- Testing and Measurement: Used in laboratory setups requiring high-speed, low-noise signal transmission.
- System Integration: Suitable for OEMs and system builders integrating ADLINK PCI-744x cards into custom control systems.

Compatibility:
- Fully compatible with ADLINK PCI-744x series cards (e.g., PCI-7442, PCI-7443, PCI-7444).
- Compatible with standard VHDCI 68-pin connectors used in SCSI-3 and similar high-density interfaces.
- Can interface with ADLINK terminal boards or third-party VHDCI-compatible breakout modules.

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5. Components & Accessories
Included Items:
- One (1) SCSI-VHDCI dual 68-pin male/male cable, 3 meters in length (ACL-10568D-3).

Optional Accessories (sold separately):
- ADLINK terminal boards (e.g., DIN-68S, DIN-68D) for signal breakout.
- PCI-744x series motion control cards.
- VHDCI-to-SCSI adapter modules for legacy equipment.
- Cable management accessories such as strain relief clamps or cable ties.

Connectors:
- Connector A: VHDCI 68-pin male (SCSI-3 standard)
- Connector B: VHDCI 68-pin male (SCSI-3 standard)
- Locking Mechanism: Screw or clip retention for secure connection
- Contact Material: Gold-plated contacts for corrosion resistance and low contact resistance

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6. Installation & Setup
Requirements:
- Compatible PCI-744x series card installed in a host PC or industrial controller.
- External device or terminal board equipped with a VHDCI 68-pin female connector.

Mounting Options:
- Direct plug-in connection between PCI card and external module.
- Can be routed through cable trays or conduits for permanent installations.

Configuration Steps:
1. Power off the host system and connected devices.
2. Connect one end of the ACL-10568D-3 cable to the VHDCI port on the PCI-744x card.
3. Connect the other end to the corresponding VHDCI port on the external device or terminal board.
4. Secure both connectors using the built-in retention screws or clips.
5. Power on the system and verify communication through the ADLINK software or driver interface.

Best Practices:
- Avoid excessive bending or twisting of the cable.
- Maintain the minimum bend radius to prevent conductor damage.
- Route the cable away from high-voltage or high-current lines to minimize interference.
- Use cable labeling for easy identification in multi-cable setups.

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7. Performance & Capabilities
- Signal Transmission Rate: Supports high-speed digital signals up to 160 MB/s (typical for SCSI-3/VHDCI).
- Signal Integrity: Maintains low crosstalk and minimal signal degradation over 3 meters.
- Electrical Performance:
- Differential impedance: 100 ± 10 ohms
- Propagation delay: <5 ns/m
- Attenuation: <1.5 dB at 100 MHz
- Mechanical Durability:
- Connector insertion cycles: >500 mating cycles
- Cable flex life: >1 million bend cycles (typical)
- Environmental Resistance:
- Operating humidity: 10–90% RH (non-condensing)
- Resistant to oil, mild chemicals, and abrasion (depending on jacket material)

Limitations:
- Designed for signal-level transmission only; not suitable for power delivery.
- Maximum recommended cable length for optimal performance: 3 meters (longer lengths may degrade signal quality).
- Intended for indoor use; not rated for outdoor or direct UV exposure.

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8. Standards & Compliance
- Electrical Standards:
- Complies with ANSI X3.131-1994 (SCSI-3) specifications.
- Meets VHDCI (Very High Density Cable Interconnect) mechanical and electrical interface standards.
- Safety & Environmental Compliance:
- RoHS compliant (Restriction of Hazardous Substances).
- REACH compliant (Registration, Evaluation, Authorization, and Restriction of Chemicals).
- Halogen-free options available upon request.
- Quality Assurance:
- Manufactured under ISO 9001:2015 certified quality management system.
- 100% continuity and insulation resistance tested before shipment.
- EMC Compliance:
- Shielding effectiveness tested to meet industrial EMI/RFI standards.
- Suitable for use in CE-marked systems when integrated with compliant equipment.

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9. Additional Information
Warranty:
- Standard 1-year limited warranty from ADLINK Technology covering manufacturing defects and workmanship.
- Extended warranty options available through authorized distributors.

Support:
- Technical documentation, pinout diagrams, and compatibility lists available on ADLINK’s official website.
- Dedicated technical support via email, phone, or online service portal.
- Firmware and driver updates for PCI-744x series cards provided by ADLINK.

Maintenance:
- Periodic inspection recommended to ensure connector integrity and cable insulation condition.
- Clean connectors with compressed air or approved contact cleaner if contamination occurs.
- Store in a dry, dust-free environment when not in use.

Updates & Revisions:
- Product specifications subject to change without notice as part of ADLINK’s continuous improvement policy.
- Latest datasheets and compatibility updates available from ADLINK’s product support page.

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Summary
The ADLINK ACL-10568D-3 SCSI-VHDCI Dual 68-Pin Male/Male 3m Cable is a precision-engineered interconnect solution tailored for the PCI-744x series motion control and I/O cards. It delivers high-speed, low-noise signal transmission over a 3-meter distance, ensuring reliable communication between host systems and external devices. With robust shielding, gold-plated contacts, and compliance with SCSI-3/VHDCI standards, it provides industrial-grade performance and durability. Ideal for automation, data acquisition, and test applications, the ACL-10568D-3 combines flexibility, reliability, and ease of integration—making it a trusted accessory in ADLINK’s motion control ecosystem.