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Implementing a Basic Application
SR2MAN01 11/2007 155
Notation Used by the Smart Relay
Description The smart relay has a four line display used to show ladder diagrams.
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:
Note: The programming software allows you represent ladder diagrams in three
different formats:
z Electrical symbols,
z Ladder symbols,
z Smart relay symbols,
Electrical symbol Ladder symbol Smart relay symbols
or
"O" "C"
or
I1 or i1
I1 or i1
[Q1
Set coil (SET)
SQ1
Reset coil (RESET)
RQ1
14 13
22 21
A2 A1
A2 A1
A2 A1