Allen Bradley 1747-L531 SLC 5/03 Processor

Core Performance & Industrial Application

The Allen Bradley 1747-L531 is a SLC 5/03 processor unit for Rockwell SLC 500 PLC chassis, now discontinued.

It has 4K words user memory, equipped with DH485 and RS-232 communication ports for programming and network connection.

It supports RSLogix 500 software programming, controls digital and analog I/O modules on the SLC backplane.

It can address up to 4096 I/O points and support up to 3 connected chassis for distributed I/O expansion.

It features LED status indicators for RUN, FAULT and communication diagnosis, convenient for on-site troubleshooting.

It is widely used as spare replacement for old production lines, water treatment and power plant automation cabinets.

Technical Specifications

▶ Product type: PLC processor module

▶ Brand: Allen Bradley (Rockwell Automation)

▶ Model: 1747-L531

▶ Series: SLC 500, SLC 5/03

▶ User memory: 4K words

▶ Communication: DH485 + RS232

▶ Max I/O: 4096 points

▶ Max chassis: 3 racks

▶ Programming software: RSLogix 500

▶ Mounting: Slot installation on SLC 500 backplane

▶ Operating temperature: 0℃ ~ +60℃

▶ Protection rating: IP20 inside cabinet

▶ Feature: Stable logic control, multi-chassis expansion

▶ Country of origin: USA

▶ Compliance: CE, UL certification

Industry Applications

Applied in factory production lines, water treatment plants and power stations for SLC500 control system spare replacement.

Note: Confirm firmware version and memory configuration before ordering