Allen Bradley 1756-L63 8MB PLC Central Processing Unit

Allen Bradley 1756-L63 ControlLogix Logix5563 8MB Processor Module

Product Overview

The 1756-L63 (Part Number: 1756-L63/B) is a high-capacity programmable automation controller (PAC) within the Allen-Bradley ControlLogix 5560 series. Engineered by Rockwell Automation for large-scale industrial deployments, this controller features 8 MB of user memory, making it the flagship choice for memory-intensive applications such as complex process control, high-axis motion synchronization, and extensive data logging.

Built on an 800 MHz PowerPC architecture, the 1756-L63/B delivers the deterministic performance required for high-speed manufacturing environments. It integrates seamlessly into any ControlLogix chassis and utilizes a producer/consumer communication model to optimize bandwidth across EtherNet/IP, ControlNet, and DeviceNet networks.

Technical Specifications

The 1756-L63/B provides robust processing power and expansive I/O scalability:

• Manufacturer: Allen-Bradley / Rockwell Automation

• Model Number: 1756-L63

• Series: ControlLogix 5560 (Logix5563)

• User Memory: 8 MB (Standard RAM)

• I/O Memory: 478 KB

• Nonvolatile Memory: Supports CompactFlash (1784-CF128 or 1784-CF64)

• Maximum Digital I/O: 128,000 points

• Maximum Analog I/O: 4,000 inputs / 2,000 outputs

• Processing Power: 800 MHz PowerPC CPU

• Logic Execution Speed: 0.08 ms per 1,000 instructions

• Programming Support: Ladder Diagram (LD), Structured Text (ST), Function Block (FB), Sequential Function Chart (SFC)

• Backplane Current (5.1V DC): 1200 mA

• Backplane Current (24V DC): 14 mA

• Isolation Voltage: 30V continuous (Basic insulation type)

• Battery Options: 1756-BA1, 1756-BATM, or 1756-BA2 (Series B)

• Operating Temperature: 0°C to +60°C (32°F to 140°F)

• Weight: 0.23 kg (0.5 lb)