Glossary
Counter module FM 450-1
Manual, 02/2014, A5E03648739-02
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Encoder output which returns an active low signal to 0 V (ground)
Sourcing output of the encoder which returns an active high signal +24 V.
STOP as an international term, for example, as an operating command.
STOPP (German spelling) as a term used in the manual to define an action which is not a
command.
The zero mark is positioned on the third track of an incremental encoder. It returns a zero
mark signal after each rotation.
The incremental encoder returns one zero mark signal per revolution.