My Cart
0 items
Genuine Automation Parts | Worldwide Express Delivery | 12-Month Warranty — [GET A QUOTE]
The 1769-CRL1 (Part Number: 1769-CRL1) is a high-performance bus expansion cable designed for Allen-Bradley CompactLogix and MicroLogix 1500 systems. This specialized "Right-to-Left" cable allows for the physical expansion of a 1769 I/O system by connecting the right side of one I/O bank to...
Availability: Low stock: 99 left
Reliable Worldwide Delivery
30-Day Money-Back Guarantee
Need more details? Read our fullShipping PolicyandRefund Policy.
The 1769-CRL1 (Part Number: 1769-CRL1) is a high-performance bus expansion cable designed for Allen-Bradley CompactLogix and MicroLogix 1500 systems. This specialized "Right-to-Left" cable allows for the physical expansion of a 1769 I/O system by connecting the right side of one I/O bank to the left side of a subsequent bank. Measuring 1 foot (305 mm) in length, it is the essential component for engineers needing to split I/O modules across multiple DIN rails within a single control cabinet.
This expansion cable is engineered to maintain high-speed backplane communication integrity while providing a continuous 30V isolation rating. It includes built-in termination caps to ensure the bus is electrically closed, preventing signal reflections that could lead to system faults. The 1769-CRL1 is compatible with both Series A and Series B hardware and is designed to handle the significant current demands of a fully populated I/O bank, supporting up to 1.4 Amps at 24V DC.
| Specification | Details |
|---|---|
| Cable Type | Right-to-Left Expansion |
| Length | 1 foot (305 mm) |
| System Compatibility | 1769 CompactLogix, MicroLogix 1500 |
| Isolation Voltage | 30V (continuous) |
| Backplane Current | 1.4 Amps at 24V DC |
| Power Consumption | 33.6 Watts |
| Power Dissipation | 7.5 Watts |
| Enclosure Type | Open-style with integrated termination caps |
| Operating Temperature | 0 to 60 °C (32 to 140 °F) |
| Weight | 0.28 kg |
The 1769-CRL1 is primarily used in complex automation panels where a single DIN rail cannot accommodate all required I/O modules. It allows the system designer to "snake" the 1769 backplane from the end of the first row down to the start of the second row, maintaining a logical and electrical connection to the main controller.
What is the difference between a CRL and a CRR cable?
A CRL cable connects the Right side of the first bank to the Left side of the second bank (Right-to-Left).
A CRR cable connects Right-to-Right.
The 1769-CRL1 is the standard choice for most multi-row DIN rail layouts.
Does this cable require a separate power supply for the second bank?
Yes. Every expansion bank connected via a 1769-CRL1 typically requires its own 1769 power supply (e.g., 1769-PA2 or 1769-PB2) to power the modules in that specific bank, as the cable only extends the communication bus, not the full power load.
