Hardware manual

Fieldbus control description
19
The Control Word and the Status Word
The Control Word (CW) is the principal means of controlling the drive from a fieldbus
system. The Control Word is sent by the fieldbus controller to the drive. The drive
switches between its states according to the bit-coded instructions of the Control
Word.
The Status Word (SW) is a word containing status information, sent by the drive to
the fieldbus controller.
Actual values
Actual values (ACT) are 16/32-bit words containing information on selected
operations of the drive.