Schneider Electric SR2MAN01 Notation Used by the Smart Relay, Description, Electrical symbol

Implementing a Basic Application

Notation Used by the Smart Relay

Description The smart relay has a four line display used to show ladder diagrams.

Note: The programming software allows you represent ladder diagrams in three different formats:

zElectrical symbols,

zLadder symbols,

zSmart relay symbols,

Equivalencies

Between

Notations

In the table below are the equivalencies between representations of the most common elements of the ladder language, in the 3 formats:

Electrical symbol Ladder symbol Smart relay symbols

13			21		I1 or i1
					or
14		or	22		I1 or i1
"O"				"C"
	A1				[Q1
	A2
	A1
					SQ1
	A2
Set coil (SET)
	A1
					RQ1
	A2
Reset coil (RESET)

SR2MAN01 11/2007 155