OVERVIEW

Official designation: Allen-Bradley 1747-L524 (SLC 5/02, Controller)

The 1747-L524 is a SLC 5/02 programmable logic controller providing central processing and control for SLC 500 systems. It features 4KB user memory, support for 4096 discrete I/O, and an integrated DH-485 communication port.

KEY SPECS SUMMARY

Power: 5V DC backplane, 450 mA

Interfaces / Ports: DH-485 port (8-pin mini DIN)

Indicators: Run, Fault, Force, Battery

Operating Temp: 0 to 60 degrees C

Platform / Compatibility: SLC 500 fixed/modular I/O

Limit: Max 4096 discrete I/O points

Lifecycle: Discontinued

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum user program memory size available on the 1747-L524 controller?

A: The controller provides 4KB of user memory for program instructions and data storage.

Wiring & Installation:

Q: What type of network communication port is integrated into the 1747-L524 controller?

A: The controller features a built-in DH-485 communication port, typically using a mini DIN connector.

Troubleshooting & Compatibility:

Q: Which critical front panel indicator signifies a hardware failure or severe programming error in the controller?

A: A red or flashing Fault indicator light on the front panel signals a severe error condition.

Replacement & Upgrades:

Q: Which current Allen-Bradley PLC family is the suggested successor platform for systems using the SLC 5/02 controller?

A: Migration to the modern Allen-Bradley CompactLogix 5370 or 5380 series is recommended for upgrades.