The Allen-Bradley 1764-28BXB is a MicroLogix 1500 base unit with 28 I/O points. It features DC inputs, DC FET & relay outputs, and DC power supply. This model has been discontinued since June 14, 2017, but its specifications remain relevant for legacy systems.

Product Overview

• Model: 1764-28BXB
• Type: MicroLogix 1500 Programmable Controller Base Unit
• Lifecycle Status: Discontinued (as of June 14, 2017)
• Replacement: Functional replacements available in newer Allen-Bradley controllers

Specifications

• I/O Points: 28 total
  • Inputs: DC (digital)
  • Outputs: Combination of DC FET and relay outputs
• Power Supply: DC powered base unit
• Mounting: DIN rail or panel mounting supported
• Wiring: Terminal block connections for field wiring
• Environmental Ratings:
  • Designed for industrial environments
  • Hazardous location considerations included in installation manual