← Gallery
PLC Hardware & Fundamentals

Parts of a Siemens LOGO! Module

A labeled LOGO! 230RC programmable relay (power supply, digital inputs I1–I8, display, keys, relay outputs Q1–Q4) with a basic connection diagram, typical connections and key characteristics.

More in PLC Hardware & Fundamentals

PLC Hardware Block Diagram (thumbnail)PLC Hardware Block DiagramPLC Scan Cycle Diagram (thumbnail)PLC Scan Cycle DiagramPLC Scan Cycle Flow (thumbnail)PLC Scan Cycle Flow