The Allen-Bradley 1764-24BWA is a base unit controller from the MicroLogix 1500 series, designed to provide reliable control for small-to-medium industrial automation applications. This base unit features a compact footprint and integrates both digital inputs and relay outputs to interface with a variety of field devices.
Features
Integrated 120/240V AC power supply for standalone operation.
12 x 24V DC sink/source digital inputs for flexible sensor interfacing.
12 x Relay outputs capable of handling 24-125V DC or 120-240V AC loads.
Compact modular design suitable for DIN-rail or panel mounting.
Supports high-speed input frequency up to 20 kHz.
Technical Specifications
Product Model
1764-24BWA
Manufacturer
Allen-Bradley
Module Type
Base Unit
Line Power
85 to 265V AC
Digital Inputs
12 x 24V DC (Sink/Source)
Digital Outputs
12 x Relay
Output Voltage Range
24-125V DC; 120-240V AC
Input Frequency
0 to 20 kHz
Installation Guidelines
Ensure the controller is installed in a clean, dry environment with adequate ventilation to prevent overheating.
Mount the unit on a standard DIN-rail or directly to a backplane using the provided mounting holes.
Always disconnect power before performing any wiring or module installation to prevent electrical shock or damage.
Ensure proper grounding of the chassis to minimize electromagnetic interference (EMI) and improve signal integrity.
Use shielded cables for input and output signals, keeping them separate from high-voltage power lines.
FAQ
Q: Does this unit require an external power supply for the inputs? A: The 1764-24BWA inputs are rated for 24V DC; you must provide a suitable 24V DC power source for the input devices.
Q: Can this unit be expanded with additional I/O? A: Yes, the MicroLogix 1500 base units are designed to support expansion I/O modules to increase the total point count of the system.
