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Allen-Bradley | 1747-L552 | SLC 500
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Product Description: Allen-Bradley 1747-L552
The Allen-Bradley 1747-L552 is a programmable logic controller from the SLC 5/05 family within the SLC 500 series. It provides 32K words of user memory and features integrated Ethernet and DH-485 communication ports, making it suitable for mid-level automation systems requiring remote access and networking. The module offers reliable control for discrete and analog I/O applications and supports up to 4096 input and 4096 output points within a modular chassis-based architecture.
Key Features
- 32K words user memory
- Integrated 10/100 Mbps Ethernet port
- One DH-485 communication port
- Supports up to 4096 digital input and 4096 digital output points
- Compatible with up to 30 local I/O modules
- Floating-point math and advanced instruction support
- EEPROM or Flash memory backup capability
- Battery-backed RAM with real-time clock
- RSLogix 500 software programming support
- Front-panel LED indicators for status and diagnostics
Technical Specifications
- User Memory: 32K words
- Communication: 1 x Ethernet (RJ45), 1 x DH-485
- Max Local I/O: 30 modules
- I/O Address Capacity: 4096 inputs + 4096 outputs
- Communication Speed: 10/100 Mbps Ethernet
- Programming Software: RSLogix 500
- Backup Options: EEPROM or Flash memory module
- Battery: Yes, for data retention
- Operating Temperature: 0°C to 60°C
- Storage Temperature: -40°C to 85°C
- Power Requirements: 1.0 A @ 5V DC, 0.020 A @ 24V DC
- Mounting: SLC chassis slot
- Certifications: UL, CE, CSA
Application Areas
- Industrial control systems with Ethernet communication
- Factory automation and machine control
- Packaging, assembly, and material handling
- Distributed automation systems
- Data acquisition and remote diagnostics
- Upgrades of legacy SLC 500 systems
Advantages
- Built-in Ethernet simplifies integration with SCADA and HMIs
- Medium memory capacity fits a wide range of applications
- Backward compatibility with existing SLC 500 hardware
- Scalable architecture for expansion
- Reliable operation in industrial environments