Catalog > Allen-Bradley > Allen-Bradley SLC 500 - Processor/Output/Input, L552, AENTR

Allen-Bradley SLC 500 - Processor/Output/Input, L552, AENTR

The Allen-Bradley SLC 500 L552 processor module is a versatile PLC component that serves as the brain of the control system. It provides input/output processing capabilities along with communication functions. When paired with the AENTR Ethernet module and a total of 9 additional cards, this setup offers a comprehensive solution for industrial automation applications.

Processor TypeSLC 500 L552
Communication ModuleAENTR Ethernet module
Total Cards Included9
CompatibilitySLC 500 series
Power Supply120/240V AC

Common Failure Symptoms:

  • Symptom 1: Intermittent communication errors between the processor and I/O modules
  • Symptom 2: Inconsistent output signals leading to erratic system behavior
  • Testing Step: Check the status LEDs on the processor and communication module for any abnormal indications

Facilities may opt to buy a replacement for the Allen-Bradley SLC 500 L552 processor instead of upgrading due to its widespread use in legacy industrial systems. The SLC 500 series is commonly found in manufacturing plants for process control applications, and replacing individual components is often more cost-effective than a complete system overhaul.