Side-by-side reference

Understand the difference.

Compare the meaning, drawing context and source references of two entries. A similar graphic or shared abbreviation does not establish equivalence.

First referenceCompare with

P3-550E

General arrangement objects

AutomationDirect P3-550E controller module

P3-550E is the drawing identifier for controller module in AutomationDirect's Productivity3000 PAC collection. A controller module runs a control program and exchanges information with its connected inputs, outputs and communications. The physical layout must still account for its exact mounting and connector positions.

Drawing use: GA
Application: Equipment layouts
Reference family: Manufacturer

A distinction that matters

This reference concerns the named P3-550E drawing and its controller module role. A drawing in the same collection is not automatic evidence of compatible terminals, mounts or electrical performance.

Full reference

General arrangement objects

PLC CPU module

A PLC CPU executes the programmed control logic of an automation system.

Drawing use: GA / Schematic
Application: Control circuits
Reference family: Manufacturer

A distinction that matters

The CPU is one part of a system that also needs power, I/O and communications.

Full reference

Follow the full entry for source drawings and the appropriate standard or selected product. Equipment previews show a manufacturer drawing where available, otherwise a 3D thumbnail.