Description
The Allen-Bradley 1771-DRS4 is a control coprocessor module featuring a 4 MB static RAM memory expansion, designed to enhance the processing capabilities of legacy automation systems. This module was engineered for high-performance control tasks requiring dedicated memory and auxiliary computation power.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Allen-Bradley
|
| Category |
|
| Part Number |
1771-DRS4 |
| Subcatecory |
PC Board PLC/Add-On Board
|
| Product Type |
Control Coprocessor Module |
| Memory |
4 MB Static RAM |
| System Compatibility |
Allen-Bradley 1771 I/O Chassis |
| Module Function |
Coprocessor with memory expansion |
| Form Factor |
Rack-mounted PLC module |
| Weight |
0.01 lbs |
Information About 1771-DRS4
The 1771-DRS4 is a discontinued control coprocessor module from Allen-Bradley, developed for use with programmable controller systems that demand extended memory for local logic execution or data processing. It comes equipped with 4 MB of static RAM, enabling high-speed memory access and reduced response times in time-sensitive industrial control applications.
Key Features:
- Type: Control coprocessor with onboard static RAM
- Memory Capacity: 4 MB of static RAM for expanded local data processing
- Application: Used to offload control and computation tasks from the primary PLC processor
- System Compatibility: Designed for 1771 series I/O chassis and legacy Allen-Bradley controllers
- Form Factor: Slot-based module for rack-mounted PLC systems
- Status: Discontinued by manufacturer, but still used in legacy systems for extended functionality
- Industrial Use: Suitable for memory-intensive control applications requiring dedicated processing resources
The 1771-DRS4 adds memory and computational support to legacy control systems, ensuring enhanced logic execution and real-time performance in demanding automation environments.
