ABB RDNA-01 Manuel d'utilisateur Page 192

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1-188 ACH550-UH User’s Manual
Embedded fieldbus
Control interface
In general, the basic control interface between the fieldbus system and the drive
consists of:
Note: The words “output” and “input” are used as seen from the fieldbus controller
point of view. For example an output describes data flow from the fieldbus controller
to the drive and appears as an input from the drive point of view.
Planning
Network planning should address the following questions:
What types and quantities of devices must be connected to the network?
What control information must be sent down to the drives?
What feedback information must be sent from the drives to the controlling
system?
Protocol Control Interface Reference for more information
Modbus Output Words
Control word
Reference1
Reference2
Input Words
Status word
Actual value 1
Actual value 2
Actual value 3
Actual value 4
Actual value 5
Actual value 6
Actual value 7
Actual value 8
The content of these words is defined by profiles. For
details on the profiles used, see
ABB control profiles technical data
N2 Binary output objects
Analog output objects
Binary input objects
Analog input objects
N2 protocol technical data
FLN Binary output points
Analog output points
Binary input points
Analog input points
FLN protocol technical data
BACnet Device management
Binary output objects
Analog output objects
Binary input objects
Analog input objects
BACnet protocol technical data
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