Fieldbus control through the embedded fieldbus interface (EFB) 229
About the control profiles
A control profile defines the rules for data transfer between the drive and the fieldbus
master, for example:
• if packed boolean words are converted and how
• if signal values are scaled and how
• how drive register addresses are mapped for the fieldbus master.
You can configure the drive to receive and send messages according to one of the
two profiles:
•
ABB Drives
•
DCU
Profile.
For the ABB Drives profile, the embedded fieldbus interface of the drive converts the
fieldbus data to and from the native data used in the drive. The DCU Profile involves
no data conversion or scaling. The figure below illustrates the effect of the profile
selection.
Fieldbus
Control profile selection with parameter
• (0)
ABB Drives
• (5)
DCU
Profile.
Profile selection
Data
conversion &
scaling
58.26
58.29
...
58.25 Control profile
SEL
0
5
58.25
is:
Drive