Reliable Bus Extension for CompactLogix Systems
The Allen-Bradley 1769-CRL1 provides a flexible connection between CompactLogix I/O modules. This expansion cable links multiple I/O banks across cabinet layouts. It belongs to the 1769 Compact I/O accessory family from Rockwell Automation. Engineers select this cable for distributed I/O configurations.
Detailed Technical Specifications
This section presents the complete technical parameters of the Allen-Bradley 1769-CRL1. We emphasize precise connection characteristics and mechanical specifications for accurate system integration. The design prioritizes flexibility and signal integrity.
| Specification | Detail |
|---|---|
| Model Number | 1769-CRL1 |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Product Type | Expansion Cable / I/O Bus Extension Cable |
| Series | CompactLogix, MicroLogix 1500, 1769 Compact I/O |
| Cable Length | 0.1 m (4 inches) |
| Connector Type | Right-Angle Connectors (Both Ends) |
| Number of Conductors | 16 |
| Connector Orientation | 90-Degree Right Angle |
| Shielding | Foil Shield with Drain Wire |
| Compatibility | 1769 I/O Modules, CompactLogix Controllers |
| Maximum Banks | 3 Banks per System (with 2 Cables) |
| Operating Temperature | 0°C to +60°C |
Physical Dimensions & Weight
Accurate physical data supports proper cabinet layout and cable routing. The Allen-Bradley 1769-CRL1 features a compact design for tight spaces.
Cable Length: 0.1 m (100 mm / 4 inches)
Connector Width: 25 mm
Cable Diameter: 8 mm
Weight: 0.045 kg
Origin: Made in USA / Mexico (Rockwell Automation Manufacturing Facilities)
Cable Architecture and Signal Integrity
The cable contains 16 shielded conductors for reliable bus communication. A foil shield with drain wire provides protection against electrical noise. This shielding ensures signal integrity in industrial environments. Users can locate I/O banks in electrically noisy areas without communication errors.
Connector Design and Orientation
Right-angle connectors on both ends allow flexible mounting in tight cabinets. The 90-degree orientation reduces the space required behind modules. Users can position modules closer to cabinet walls or adjacent components. This design simplifies installation in space-constrained enclosures.
System Expansion Capabilities
Users can connect up to three I/O banks using two expansion cables in a system. Each cable links one bank to the next in a daisy-chain configuration. This architecture allows distributed I/O placement across large cabinets. Engineers can optimize cabinet layout without sacrificing system performance.
Component Layout and Mechanical Construction
The Allen-Bradley 1769-CRL1 features molded connectors for strain relief and durability. Latching mechanisms secure the cable firmly to module connectors. The cable jacket resists oil, moisture, and industrial contaminants. This construction ensures reliable operation throughout the system lifespan.
Installation and Connection Procedure
Users connect the cable between the expansion port of adjacent I/O banks. The right-angle connectors latch securely into the module sockets. Installation requires no special tools or configuration. Maintenance personnel can quickly replace cables without extensive downtime.
Signal Transmission and Bus Performance
The cable maintains the full speed and performance of the 1769 backplane. Communication between banks operates at the same speed as local connections. Users experience no degradation in I/O response time. This transparency allows seamless integration of distributed I/O.
Manufacturer Quality Standards
Allen-Bradley manufactures the 1769-CRL1 under strict quality control protocols. Each unit undergoes comprehensive testing for continuity and signal integrity. Therefore, users receive a product ready for immediate deployment. This commitment to quality aligns with Rockwell Automation reliability expectations.
Details
| Weight | 1.1 kg |
|---|---|
| Dimensions | 160 × 90 × 87 mm |
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