Specifications

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A
IEC Symbols
IEC Symbols
Introduction The following table contains illustrations and definitions of the common IEC symbols
used in describing the Advantys STB modules and system.
List of Symbols Here are some common IEC symbols used in the field wiring examples throughout
this book:
Symbol Definition
two-wire actuator/output
three-wire actuator/output
two-wire digital sensor/input
three-wire digital sensor/input
IN
-
PE
IN
-
+
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