Allen-Bradley 1756-PAR2 is a bundled system that consists of products belonging to the ControlLogix product series. Here is a detailed introduction to Allen-Bradley 1756-PAR2:

Components

• Redundant Power Supplies: It comprises two 1756-PA75R power supplies. These power supplies are designed to work together with another redundant power unit, providing failsafe protection ideal for critical applications where minimizing downtime is essential.
• Redundant Power Cables: It also includes two 1756-CPR2 cables, which are used to connect the two power supplies for synchronization and internal communication. These cables measure 0.91 meters (or 3 feet) in length, with a minimum cable bending radius of 12.7 centimeters (or 5 inches).
• Chassis Adapter Module: Additionally, it contains a 1756-PSCA2 chassis adapter module. This component is a passive device that integrates the installed pair of power supplies into the unique power connector on the ControlLogix chassis backplane circuit.

Specifications

• Input Voltage Range: 85-264VAC, 47-63 Hz.

• Nominal Input Voltage: 120/240 VAC.

• Nominal Input Frequency: 50/60 Hz.

• Maximum Output Power: 75 watts.

• Current Capacity:

  • 1.5 @ 1.2 VDC.
  • 4 amps at 3.3V DC.
  • 13 amps at 5.1V DC.
  • 2.8 amps at 24V DC.

Applications

Allen-Bradley 1756-PAR2 is particularly suited for applications that require high reliability and minimal downtime. Its redundant power design ensures that in the event of a power supply failure, the system can continue to operate seamlessly, reducing the risk of application downtime.

In summary, Allen-Bradley 1756-PAR2 is a comprehensive redundant power system that combines two power supplies, redundant power cables, and a chassis adapter module to provide reliable power for critical applications. Its specifications and design make it an ideal choice for industries that require high system availability and minimal downtime.