POINT I/O Power Booster 1734-EP24DC/A | 2.5A Expansion Power Supply Module

Technical Specifications

Main Features and Advantages

The Allen-Bradley 1734-EP24DC/A​ delivers a streamlined solution for distributed I/O system expansion. Its primary advantage is the ability to seamlessly integrate into an existing POINT I/O rack, occupying a single module slot and connecting via the standard removable terminal block. This design maintains the system’s modular, high-density architecture without requiring external enclosures, complex wiring, or dedicated panel space for an additional power supply. The module provides galvanic isolation between its input and output. This isolation is crucial as it prevents electrical faults or noise on one segment of the I/O system from propagating back to the controller or to other sensitive modules, thereby enhancing the overall reliability and stability of the control system.The module is engineered for simplicity and reliability. The “Power OK” LED provides immediate visual confirmation that the 1734-EP24DC/A​ is operating correctly and delivering power to the downstream section. Its compact, 1.2-inch width allows for efficient use of DIN rail space. The cascading power capability enables the creation of truly distributed I/O structures; for example, powering an adapter and its modules in one machine cell, then using the Allen-Bradley 1734-EP24DC/A​ to jump power to another adapter in a nearby cell, all on the same communication network. This simplifies wiring, reduces installation costs, and provides tremendous layout flexibility for machine builders and system integrators. The module’s robust design ensures reliable performance across a wide industrial temperature range, making it suitable for use in diverse factory floor environments.

Application Field

The Allen-Bradley 1734-EP24DC/A​ is employed in a vast array of industrial automation applications where the flexible, distributed nature of POINT I/O is leveraged. A common use is in modular machine designs and packaging lines, where different sections (infeed, filler, capper, labeler) are controlled by separate POINT I/O adapter banks. A single network cable can run along the machine, with an 1734-EP24DC/A​ used to provide local power to the I/O in each subsequent section, eliminating the need to run individual power cables back to a central cabinet for each module bank. This creates a clean, daisy-chained control architecture that mirrors the mechanical modularity of the equipment.In material handling systems, such as conveyor networks and sortation systems, the Allen-Bradley 1734-EP24DC/A​ allows for the placement of I/O blocks at strategic points for motor starters, photo-eyes, and diverters. As the conveyor line extends, additional I/O can be added by inserting an expansion power supply to power the next cluster of devices, maintaining a single network trunk. It is also ideal for factory-wide distributed I/O applications, where I/O drops are placed near groups of machines or process areas. The Allen-Bradley 1734-EP24DC/A​ enables these remote I/O panels to be powered locally from a branch of the system, rather than requiring a large, centrally-located power supply with long, high-current wire runs, which reduces voltage drop and installation material costs. This makes it perfect for automotive assembly plants, food processing facilities, and water treatment plants utilizing DeviceNet, EtherNet/IP, or other networks supported by POINT I/O adapters.