The Allen-Bradley 1756-A4 ControlLogix Chassis is a compact, four-slot solution designed for efficient module integration and high-speed communication. With a power consumption of 1.8W and power distribution capabilities, it supports a maximum backplane current of 1.5 A at 1.2 V DC, 4 A at 3.3 V DC, 15 A at 5.1 V DC, and 2.8 A at 24 V DC. Its sophisticated features include electronic keying and Removal and Insertion Under Power (RIUP) capability, ensuring error-free installation and maintenance. Measuring 50.8 x 50.8 x 20.3 cm and weighing 1.7 lbs, this unit is designed for horizontal panel mounting with an open enclosure, making it suitable for both local and distributed I/O applications within the ControlLogix family. Additionally, the chassis seamlessly accommodates various modules, including processors, I/O, communication adapters, and third-party modules, supported through a comprehensive backplane power distribution system.
