Allen Bradley 1747-L551 SLC 5/05 Controller

Feature & Principle

It is Rockwell Allen‑Bradley SLC 5/05 series CPU processor for SLC500 rack PLC system. Equipped with 10M Ethernet TCP/IP channel and RS232 serial port, supports online program upload, download and online editing. It can communicate with PLC-5, ControlLogix and other controllers for peer-to-peer message transmission. The backup lithium battery keeps program and data when power off. This model is discontinued, widely used in packaging, water treatment and metallurgy old production line maintenance.

Specifications

Model: 1747-L551 Brand: Allen Bradley (Rockwell) Series: SLC 500, SLC 5/05 User memory: 16K Max I/O: 4096 points Communication: 10Base-T Ethernet, RS232 Scan speed: 0.9ms/K typical Programming software: RSLogix 500 Mounting: SLC500 rack slot Backup: Lithium battery Application: Packaging machine, water treatment, metallurgy legacy automation system Certification: CE, UL

Components & Diagnostics

CPU core, memory chip, backup lithium battery, Ethernet transceiver, RS232 interface, status LED. Common faults: battery depletion, program loss, Ethernet communication failure, backplane contact poor, scan overtime alarm.

Product Brief

1747-L551 PLC controller, Allen Bradley SLC500 classic Ethernet CPU spare widely used for old automation control cabinet overhaul and replacement.