Allen-Bradley 1756-L55 Processor Module

The Allen-Bradley 1756-L55, unfortunately, is a discontinued processor module from the ControlLogix Series A product line by Rockwell Automation. While it's important to note its discontinued status, here's some information based on available data:

Overview:
Processor module: Part of the ControlLogix 5555 platform.
No user memory: This means it lacked internal storage for programs and data.
Discontinued: No longer officially manufactured or supported by Rockwell Automation.

Specifications:
CPU: No specific information available due to discontinuation.
Communication ports: Likely included standard ControlLogix communication ports like Ethernet and ControlNet.
Power supply: Information unavailable.
I/O: No user memory suggests it relied on separate I/O modules for analog and digital input/output.

Features:
Basic processing power: Suitable for smaller control applications.
Integration with ControlLogix platform: Offered compatibility with other ControlLogix components.
Rugged design: Likely built for industrial environments.

Important Note:
Due to its discontinued status, purchasing a new 1756-L55 might be difficult and potentially risky, as replacement parts and technical support could be limited. It's crucial to consider alternative, currently supported options from Rockwell Automation if you require a processor module for your ControlLogix system.

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