OVERVIEW

Official designation: Allen-Bradley 1774-LC2 (1774 Series, Processor Module)

Role/Application: A processor module for the 1774 Series PLC, serving as the central control unit for industrial automation systems, integrating I/O and communication.

KEY SPECS SUMMARY

Power: 120V AC input

Interfaces / Ports: RS-232, I/O Interface

Indicators: Status and Fault LEDs

Operating Temp: Refer to the latest manufacturer manual.

Platform / Compatibility: 1774 Series PLC, various I/O

Limit: 4K memory

Lifecycle: Discontinued by manufacturer

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the primary functional components integrated within the 1774-LC2 processor module?

A: The module includes the memory, power supply unit, I/O interface, and communication interface.

Wiring & Installation:

Q: What is the recommended method for communicating with the 1774-LC2 module for programming or configuration?

A: Communication is typically achieved using the RS-232 port connecting to a programming device.

Troubleshooting & Compatibility:

Q: What types of diagnostics are available on the 1774-LC2 processor module to assist with troubleshooting?

A: The module features status and fault monitoring functions with advanced instruction sets for diagnostics.

Replacement & Upgrades:

Q: What is the primary compatibility requirement for I/O modules used with the 1774-LC2 processor?

A: The processor is designed for use within the Allen-Bradley 1774 Series PLC system and its compatible I/O.