1756-PAR2 | Allen-Bradley 85-265 VAC Redundant Power Supply Assembly

Description 

The Allen-Bradley 1756-PAR2 is a ControlLogix Redundant Power Supply kit. This assembly is composed of Two (2) 1756-PA75R power supplies, Two (2) 1756-CPR2 cables and One (1) 1756-PSCA2 Chassis adapter module.

Technical Specifications 

Information About 1756-PAR2

The Allen-Bradley 1756-PAR2 is a bundled system composed of products that belong to the ControlLogix product family. The 1756-PAR2 is composed of Two (2) 1756-PA75R power supplies, Two (2) 1756-CPR2 cables and One (1) 1756-PSCA2 Chassis adapter module.

The 1756-PA75R is a redundant power supply used along with another power redundant unit. This type of power supply provides failsafe protection and ideally used in critical applications that require minimized risks of application downtime. The has an input voltage range of 85-264VAC, 47-63 Hz with nominal input voltage of 120 / 240 VAC along an nominal input frequency of 50/60 Hz. This power supply provides maximum output power of 75 Watts and current capacities of 1.5 @ 1.2 VDC; 4 A @ 3.3 VDC; 13 A @ 5.1 VDC and 2.8 A @ 24VDC.

The 1756-CPR2 is a redundant power supply cable that is used to connect both the power supplies for synchronization and perform internal communication. This cable measures 0.91 m or 3 ft with minimum cable bend radius of 12.7 cm or 5 inches.

The 1756-PSCA2 is a ControlLogix redundant power supply chassis adapter. This component is a passive device, used to consolidate power from both the installed pair of power supplies to the lone power connector that resides on the ControlLogix chassis backplane circuitry.

This assembly provides user and control system designers to easily decide on the components of a redundant ControlLogix controller system configuration. It lessens the risk of having an item left-out which may happen when selecting large or complex control systems.

To set up the 1756-PAR2 power supply, attach a standard power supply to the left end of the framework and fasten it directly to the backplane. This unit is built with smart and rugged technology, giving the 1756-PAR2 ControlLogix-XT power supply the ability to withstand extreme temperatures and tough environments. A redundant power supply system provides extra uptime protection for chassis that are used in critical applications; it funnels power through the chassis adapter to the ControlLogix series B chassis backplane. To build a redundant power supply system, a redundant power supply system that offers additional protection for the framework being used in significant applications is required. The power supply directs the power through the framework adapter to the ControlLogix series B framework backplane. To create a redundant power supply structure, some of the main components that are needed include a pair of bundled systems with one of them containing two 1756-PA75R power supplies, two 1756-CPR2 cables, and one 1756-PSCA2 framework adapter and other one having two 1756-PB75R power supplies, two 1756-CPR2 cables, and one 1756-PSCA2 framework adapter, in addition to a redundant AC power supply, a redundant DC power supply, a redundant power supply cable (with a length of 0.91 meters or 3 feet), a redundant power supply framework adapter, and an annunciator wiring (1) with a maximum length of 10 meters or 32.8 feet.

Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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