1747-L531 | Allen-Bradley | SLC 5/03 Modular Processor 8K Memory

Overview
The 1747-L531 by Allen-Bradley is a modular SLC 5/03 processor designed for mid-to-large PLC applications, offering enhanced memory and flexible I/O handling for complex control systems.

Technical Specifications

• Manufacturer: Allen-Bradley

• Product Type: SLC 5/03 Processor Module

• Part Number: 1747-L531

• Processor Type: SLC 5/03

• Program Memory: 8 KB

• Discrete I/O Capacity: 4096 points (inputs and outputs)

• Analog I/O Capacity: 180 points

• Communication Ports: RS-232, DH-485

• Typical Scan Time: 1 ms per kilobyte of program logic

• Dimensions (L×W×H): 14 × 4 × 15 cm

• Weight: 0.26 kg

Mounting & Connectivity

• Modular Design: Fits standard SLC 500 racks

• Function: Manages local and remote I/O while executing program logic efficiently

FAQ

• How much program memory does 1747-L531 provide?
  The module includes 8 KB of program memory suitable for mid-sized applications.

• What I/O capacities are supported?
  Supports 4096 discrete I/O points and 180 analog I/O points for versatile control.

Comparison
Compared with 1747-L524, the 1747-L531 offers double the memory (8 KB vs 4 KB) and includes analog I/O support, making it ideal for larger or more complex SLC 5/03 applications.