Description
Setting for ACS480 and ACS580
drives
Drive parameter)
DC voltage
01.11
52.03 FBA a data in3
Constant frequency 1
28.26
53.01 FBA A data out1
Constant frequency 2
28.27
53.03 FBA A data out3
Validates the FMBT-21 configura-
tion parameter settings.
1 = Refresh
51.27 FBA A par refresh
Selects the fieldbus A interface as
the source of the start and stop
commands for external control
location 1.
12 = Fieldbus A
20.01 Ext1 commands
Selects the fieldbus A reference 1
as the source for speed reference
1.
4 = FB A ref1
22.11 Speed ref1 source
Selects the fieldbus interface as
the source for the fault reset sig-
nal.
06.1.7
31.11 Fault reset selection
1) Example
2) Read-only or automatically detected/set
The start sequence for the parameter example above is given below.
Control word:
•
Reset the fieldbus communication fault (if active).
•
Enter 47Eh (1150 decimal) -> READY TO SWITCH ON.
•
Enter 47Fh (1151 decimal) -> OPERATING (Scalar motor control mode).
■
Parameter setting examples – ACS880
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 (page 40)
When Reference 1 (REF1) is used, a reference value of ±20000 (4E20h) corresponds to
the reference set with parameter 46.01 Speed scaling in the forward and reverse
directions.
The minimum and maximum 16-bit integer values that can be given through the fieldbus
are -32768 and 32767 respectively.
Modbus register
Input data
Modbus register
Output data
(4)00051
Status word
(4)00001
Control word
(4)00052
Speed actual value
(4)00002
Speed reference
(4)00053
Actual value 2 (Not used)
(4)00003
Reference 2 (Not used)
36 Modbus/TCP – Start-up
Содержание FMBT-21
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