Sinking output
Encoder output which returns an active low signal to 0 V (ground)
Sourcing output
Sourcing output of the encoder which returns an active high signal +24 V.
STOP
STOP as an international term, for example, as an operating command.
STOPP
STOPP (German spelling) as a term used in the manual to dene an action which is not a
command.
Zero mark
The zero mark is positioned on the third track of an incremental encoder. It returns a zero mark
signal after each rotation.
Zero mark signal
The incremental encoder returns one zero mark signal per revolution.
Glossary
Counter module FM 450-1
Equipment Manual, 03/2022, A5E03648739-AC 113