Name: Allen-Bradley 1747-L552
SKU: 136999
Price: 9999.00 CNY
Availability: InStock

Allen-Bradley 1747-L552

¥9,999.00

The Allen-Bradley 1747-L552 is a processor module from the Rockwell Automation SLC 500 family, specifically the SLC 5/05 series with an embedded Ethernet port. As a core component of the SLC 500 control platform, the 1747-L552 delivers programmable logic control for small to medium-sized machine and process applications, combining a 32K instruction memory, built-in Ethernet communication, and a DH-485/RS-232 port for legacy device connectivity. The 1747-L552 supports the full SLC 500 instruction set and integrates with RSLogix 500 programming software, allowing engineers to develop, download, and troubleshoot logic efficiently. With its embedded Ethernet port, the Allen-Bradley 1747-L552 enables peer-to-peer messaging, remote I/O communication, and connectivity to enterprise networks without additional communication modules. The 1747-L552 is widely deployed in packaging, material handling, water treatment, and general manufacturing applications, and its clear part number simplifies spare-parts identification and replacement. The 1747-L552 remains a popular spare part for installed SLC 500 systems, valued for its reliability and communication flexibility.

Description

Product Parameters

Model: 1747-L552
Product Type: SLC 5/05 Processor Module
Memory: 32K instruction words (typical for 5/05 processors)
Communication Ports: Embedded Ethernet (10/100 Base-T), RS-232 (DH-485/DF1)
Programming Software: RSLogix 500
I/O Capacity: Supports SLC 500 local and remote I/O
Backplane: SLC 500 chassis
Battery: Replaceable lithium battery for memory backup
Operating Environment: Industrial temperature range per datasheet

(Confirm exact memory, port count, and firmware revision from the official Rockwell Automation datasheet for 1747-L552.)

Advantages and Features

Embedded Ethernet — the 1747-L552 provides built-in 10/100 Base-T connectivity for programming, messaging, and network integration.
Proven SLC 500 architecture — widely deployed and well understood by maintenance teams.
RSLogix 500 compatibility — streamlined programming and troubleshooting.
DH-485/DF1 support — connects to legacy devices and existing SLC networks.
Battery-backed memory — preserves program and data through power interruptions.
Reliable spare-part availability — the 1747-L552 is a common replacement for installed SLC 5/05 systems.

Application Cases and Fields

Packaging machinery — machine control and sequencing
Material handling — conveyor and sortation logic
Water/Wastewater — pump and process control
General manufacturing — discrete and small process control
Building automation — equipment sequencing and monitoring

The 1747-L552 is commonly deployed where reliable discrete control with Ethernet connectivity is required.

Comparison with Competing Products

Aspect	Allen-Bradley 1747-L552	SLC 5/03 (1747-L532)	Modern CompactLogix
Ethernet	Embedded 10/100	No (DH-485/RS-232 only)	Embedded
Memory	32K	16K	Larger
Programming	RSLogix 500	RSLogix 500	Studio 5000
Lifecycle status	Mature / spare-part driven	Mature	Active
Migration path	Requires upgrade for modern features	Requires upgrade	Current platform

Selection Suggestions and Precautions

Verify memory requirement and I/O capacity against your application before ordering 1747-L552.
Confirm firmware/OS revision compatibility with your existing SLC 500 system and RSLogix 500 version.
Check battery condition on replacement modules — a depleted battery risks program loss.
Plan a migration path — the SLC 500 platform is mature, and long-term support should be considered.
Ensure proper Ethernet network configuration (IP addressing, subnet, security) per Rockwell guidelines.
Source from authorized channels to avoid counterfeit or mismatched revisions of the 1747-L552

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