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SKU:1747-L543
Allen-Bradley SLC 5/04 1747-L543 64KB Program Memory Module
Manufacturer: Allen-Bradley
Product No.: 1747-L543
Product Type: Memory Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
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Product Overview
The Allen-Bradley 1747-L543 is a high-performance SLC 5/04 modular processor designed for the Allen-Bradley SLC 500 control system family. Equipped with 64 KB of battery-backed user memory (60K words for program/data and 4K words for data only), this central processing unit supports up to 4,096 discrete inputs and 4,096 discrete outputs across multiple chassis. It features built-in communication interfaces including a 9-pin RS-232 port and a 3-wire terminal Data Highway Plus (DH+) protocol port for distributed network connectivity. Operating reliably in temperatures ranging from 0 to 60°C, the processor module has a net weight of 0.50 kg (1.10 lbs).
Key Advantages
- High Memory Capacity: Features 64 KB (64,000 words) of battery-backed RAM designed to handle large medium-to-large scale control algorithms.
- Integrated DH+ and RS-232 Ports: Facilitates high-speed peer-to-peer communication and programming via Data Highway Plus and serial protocols.
- Extensive I/O Scalability: Supports up to 4,096 total input points and 4,096 output points across distributed chassis architectures.
- Fast Execution Speed: Delivers an average program scan time of 0.9 ms/K and rapid I/O scan speeds for time-critical automation.
- Comprehensive Diagnostic Indicators: Front-panel status LEDs provide instant visual feedback on run state, CPU faults, battery status, and communication channels.
Technical Specifications
| Manufacturer / Brand | Allen-Bradley / Rockwell Automation |
| Product Series | SLC 500 (SLC 5/04 Processor) |
| Catalog / Part Number | 1747-L543 |
| Module Type | Modular Controller / Central Processor Unit |
| User Memory Size | 64 KB (64,000 Words, Battery-Backed RAM) |
| Discrete I/O Capacity | 4,096 Inputs / 4,096 Outputs (Max) |
| Communication Ports | Data Highway Plus (DH+) & RS-232 (9-Pin) |
| Program Scan Time | 0.9 ms / K words (Typical) |
| Backplane Current Draw | 1.0 A @ 5V DC / 125 mA @ 24V DC |
| Battery Backup Module | 1747-BA (RAM) / 1747-M13 (Flash Backup) |
| Estimated Net Weight | 0.50 kg (1.10 lbs) |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Relative Humidity | 5% to 95% (Non-Condensing) |
Frequently Asked Questions
Q1: What is the memory capacity of the Allen-Bradley 1747-L543 processor?
A1: It includes 64 KB (64,000 words) of battery-backed RAM user memory.
Q2: What communication interfaces are built into the 1747-L543?
A2: Features an RS-232 serial port and a Data Highway Plus (DH+) communication port.
Q3: How much does the Allen-Bradley 1747-L543 controller weigh?
A3: The net weight of the module is 0.50 kg (1.10 lbs).
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