Description

Product Parameters
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Model: 1747-L552
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Product Type: SLC 5/05 Processor Module
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Memory: 32K instruction words (typical for 5/05 processors)
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Communication Ports: Embedded Ethernet (10/100 Base-T), RS-232 (DH-485/DF1)
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Programming Software: RSLogix 500
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I/O Capacity: Supports SLC 500 local and remote I/O
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Backplane: SLC 500 chassis
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Battery: Replaceable lithium battery for memory backup
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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
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Embedded Ethernet — the 1747-L552 provides built-in 10/100 Base-T connectivity for programming, messaging, and network integration.
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Proven SLC 500 architecture — widely deployed and well understood by maintenance teams.
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RSLogix 500 compatibility — streamlined programming and troubleshooting.
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DH-485/DF1 support — connects to legacy devices and existing SLC networks.
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Battery-backed memory — preserves program and data through power interruptions.
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Reliable spare-part availability — the 1747-L552 is a common replacement for installed SLC 5/05 systems.
Application Cases and Fields
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Packaging machinery — machine control and sequencing
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Material handling — conveyor and sortation logic
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Water/Wastewater — pump and process control
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General manufacturing — discrete and small process control
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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
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Verify memory requirement and I/O capacity against your application before ordering 1747-L552.
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Confirm firmware/OS revision compatibility with your existing SLC 500 system and RSLogix 500 version.
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Check battery condition on replacement modules — a depleted battery risks program loss.
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Plan a migration path — the SLC 500 platform is mature, and long-term support should be considered.
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Ensure proper Ethernet network configuration (IP addressing, subnet, security) per Rockwell guidelines.
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Source from authorized channels to avoid counterfeit or mismatched revisions of the 1747-L552



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