Product Overview
The Allen-Bradley 1756-CPR2 is a redundant power supply cable engineered for ControlLogix systems. It connects the redundant power supply module to the 1756-PCSA2 chassis adapter, ensuring reliable power distribution in critical automation environments. With a length of 3 feet (0.91 meters), this cable supports redundant configurations, minimizing downtime and enhancing system availability.
Technical Specifications
Key parameters for the 1756-CPR2 are listed below. These specifications are verified and directly from the manufacturer.
| Specification |
Value |
| Part Number |
1756-CPR2 |
| Brand |
Allen-Bradley |
| Series |
ControlLogix |
| Cable Length |
3 feet (0.91 meters) |
| Length |
10 feet (3 meters) |
| Weight |
0.64 pounds (0.293 kilograms) |
| ControlNet Communication Rate |
5 megabits per second |
| Configuration |
Redundant |
| Input Current |
970 milliamps at 5.1 VDC, 1.7 milliamps at 24 VDC |
| Thermal Dissipation |
17.4 BTU per hour |
| Power Dissipation |
5.1 Watts |
| Slot Width |
1 |
Applications
The 1756-CPR2 is ideal for redundant power supply setups in ControlLogix chassis. It is commonly used in industries such as automotive manufacturing, oil and gas, and water treatment, where uninterrupted operation is critical. For example, in a production line, the redundant configuration ensures that if one power supply fails, the second takes over seamlessly, preventing costly stoppages.
Installation & Setup
To install the 1756-CPR2, first ensure the ControlLogix chassis is powered down. Connect one end of the cable to the redundant power supply module and the other end to the 1756-PCSA2 chassis adapter. Secure the connectors firmly, then power up the system. The cable is keyed to prevent incorrect insertion.
Maintenance & Reliability
Regularly inspect the cable for signs of wear, such as cuts or frayed ends. Keep the cable away from sharp edges and excessive heat. The operational temperature range is 0 to 60 °C (32 to 140 °F), so ensure the environment stays within these limits. Routine checks every six months help maintain reliable performance.
Buying Guide
When purchasing the 1756-CPR2, verify compatibility with your ControlLogix chassis and redundant power supply model. Ensure the cable length meets your rack layout requirements. PLC Source PRO offers genuine Allen-Bradley parts with fast shipping and competitive pricing.