Allen-Bradley 1747-L532 | SLC 5/03 Processor Module

Overview

The 1747-L532 is a compact SLC 5/03 processor designed for Allen-Bradley's SLC 500 system. It suits small process control, material handling, and HVAC automation applications.

Memory and Performance

This processor provides 16 KB battery-backed RAM and 16,000 words of user memory. Its program scan time is 1 ms per K word, enabling fast real-time control.

Inputs, Outputs, and Analog I/O

The 1747-L532 supports 4096 digital inputs, 4096 digital outputs, and 480 local analog I/O points. Its I/O scan time is 0.225 milliseconds, optimizing system responsiveness.

Communication Interfaces

The processor integrates DH-485 and RS-232 ports. It also supports connection to 1761-NET-AIC converters for remote I/O and DeviceNet networking.

I/O Chassis and Expansion

The 1747-L532 accommodates up to three I/O chassis with a maximum of 30 module slots per chassis. Remote I/O and DeviceNet scanner modules expand connectivity.

Power and Environment

It draws 500 mA on the 5V DC backplane and 175 mA at 24V DC. The processor operates in ambient temperatures from 0°C to 60°C and withstands 30G operating shock.

Additional Features

The processor includes a built-in real-time clock, floating-point math, key-switch, calendar functions, and supports online programming and Flash memory upgrades. Its battery-backed memory and optional 1747-M13 backup ensure reliable data retention.