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SKU:1747-L551
Allen-Bradley 1747-L551 | SLC 5/05 Ethernet CPU Processor Module
Manufacturer: Allen-Bradley
Product No.: 1747-L551
Product Type: Processor Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
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Penerangan
Allen-Bradley 1747-L551 SLC 5/05 Ethernet CPU Processor Module
The Allen-Bradley 1747-L551 is a high-performance SLC 5/05 modular processor designed for demanding industrial automation and discrete control applications. Featuring 16 KB of battery-backed user memory (expandable up to 64K via the 1747-M13 module), this processor manages up to 4,096 input/output points and 480 analog I/O channels. Equipped with an integrated 10/100 Mbps Ethernet port and an RS-232 communication channel supporting DF1 and DH-485 protocols, it delivers fast program execution speeds of 0.9 ms/K. Designed for slot zero installation in SLC 500 chassis systems, it ensures robust plant-wide networking, HMI integration, and real-time process monitoring. Weighing approximately 0.5 kg (1.1 lbs), it provides a compact yet powerful computing core for industrial control enclosures.
Technical Specifications
| Manufacturer & Brand | Allen-Bradley / Rockwell Automation |
| Catalog Number / Part No. | 1747-L551 |
| Product Family & Series | SLC 500 / SLC 5/05 Modular Processor |
| User Memory & Backup | 16 KB (16,000 Words) RAM | Optional 1747-M13 (64K) & 1747-BA Battery |
| I/O Capacity & Limits | 4,096 Inputs / 4,096 Outputs | 480 Analog I/O | Max 30 Chassis Slots |
| Communication Ports | 1x 10/100 Base-T Ethernet Port | 1x RS-232 Channel (DF1, DH-485, Modem) |
| Scan Time Performance | Program Scan: 0.9 ms/K | I/O Scan: 0.225 ms |
| Environmental Limits | Operating Temp: 0°C to 60°C (32°F to 140°F) | 5–95% Non-Condensing Humidity |
| Shock & Vibration Resistance | Operating Shock: 30G | Operating Vibration: 2.5G @ 5–2000 Hz |
| Chassis Slot & Net Weight | Exclusive Slot 0 (Zero) Installation | Approx. Net Weight: 0.5 kg (1.1 lbs) |
Quick Installation Guide
- Ensure all chassis power is disconnected before installing or removing the 1747-L551 processor module.
- Insert the processor securely into Slot 0 (the leftmost slot) of the primary SLC 500 modular chassis.
- Connect Ethernet and RS-232 communication cables, verify battery and memory module seating, then restore power to initiate system startup.
Technical FAQs
Q1: What is the user memory capacity of the Allen-Bradley 1747-L551 processor?
A1: It comes with 16 KB (16,000 words) of user memory, which can be expanded up to 64K using an optional 1747-M13 memory module.
Q2: Which communication interfaces are built directly onto this SLC 5/05 module?
A2: It features an integrated 10/100 Base-T Ethernet port for high-speed messaging and an RS-232 port supporting DF1 full/half-duplex and DH-485 protocols.
Q3: In which slot of the chassis must the 1747-L551 processor be installed?
A3: This processor is designed to be exclusively installed in Slot 0 (the first slot on the left) of the SLC 500 chassis.
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