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

PSC RM20

General arrangement objects

Altech PSC-RM20 redundancy module

Place the module where supply inputs and the combined load output can be identified and maintained. Draw the supply connections in the schematic, not as assumed links in the GA.

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

A distinction that matters

A redundancy module is not a battery backup module and does not by itself guarantee uninterrupted power.

Full reference

General arrangement objects

DIN-rail AC/DC power supply

A DIN-rail power supply converts an input supply into a specified DC auxiliary supply.

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

A distinction that matters

Its nominal output rating does not guarantee sufficient headroom for every load or transient.

Full reference

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