Products Description
Allen‑Bradley 1747-L552 A SLC 5/05 PLC Processor Module
Allen‑Bradley 1747-L552 A is the SLC 5/05 CPU processor for Rockwell SLC 500 PLC platform, equipped with 32K user memory. It integrates Ethernet and RS232 serial ports for program download and network communication.
This legacy processor supports RSLogix 500 ladder logic programming and works with 1746 series I/O chassis. It is widely used for maintenance spare parts of old production lines, as it has been officially discontinued by Rockwell.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | Allen‑Bradley (Rockwell Automation) |
| 2 | Model | 1747-L552 A |
| 3 | Module Type | SLC 5/05 PLC Processor / CPU Module |
| 4 | User Memory | 32K words (program & data memory) |
| 5 | Communication Ports | 10/100 Ethernet + RS232 serial port |
| 6 | Programming Software | RSLogix 500 |
| 7 | Compatible Chassis | 1746 series I/O chassis |
| 8 | Status | Discontinued, only for spare replacement |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Execute ladder logic control program, process logic calculation and control all 1746 I/O modules on backplane |
| 2 | Ethernet port for remote programming, HMI connection and multi-PLC networking on factory LAN |
| 3 | RS232 serial port for local program upload/download and direct connection with programming PC |
| 4 | Built-in LED status indicators to show run, fault, communication and battery alarm status |
| 5 | Support battery backup to retain program and data when power supply is cut off |
Application Scenarios
| No. | Application |
|---|---|
| 1 | Legacy SLC500 PLC control cabinet for manufacturing and assembly production lines |
| 2 | Water treatment, oil & gas, metallurgy old industrial automation control systems |
| 3 | Packaging, textile, printing machinery original SLC 500 control equipment |
| 4 | On-site spare parts replacement and emergency maintenance for existing SLC500 systems |
| 5 | Factory system retrofit, before migration to CompactLogix platform |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q:What is 1747-L552 A? A:It is SLC 5/05 CPU processor for Allen‑Bradley SLC500 PLC system with 32K memory, equipped with Ethernet and RS232 dual communication ports. |
| 2 | Q:Which software is used to program this processor? A:RSLogix 500 software, ladder logic programming language, compatible with 1746 series I/O modules. |
| 3 | Q:Is this product still in production? A:Rockwell has discontinued this model. It is only used as spare parts for maintaining old SLC500 systems, not recommended for new projects. |
