Modbus/TCP – Start-up 73
7. Define the process data transferred to and from the drive in
parameter groups 52 and 53.
Note: The adapter module assigns the Control word, Status
word, references 1…2 and actual values 1…2 automatically to
Modbus registers. Process data groups are not available in the
ABB Drives - Classic communication profile.
8. Validate the settings made in parameter groups 51, 52 and 53
with parameter 51.27 FBA par refresh.
9. Set the relevant drive control parameters to control the drive
according to the application.
Examples of appropriate values are shown in the tables below.
Parameter setting examples – ACS850 and ACQ810
Speed control using the ABB Drives – Enhanced
communication profile
This example shows how to configure a speed control application
that uses the ABB Drives - Enhanced profile. In addition, some
application-specific data is added to the communication.
The start/stop commands and reference are according to the ABB
Drives profile. For more information, see section ABB Drives
communication profile on page 87.
When Reference 1 (REF1) is used, a reference value of ±20000
(4E20h) corresponds to the reference set with parameter 19.01
Speed scaling in the forward and reverse directions.
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