EFB profile
Fieldbus network
Cyclic communication
CW
REF1
REF2
2)
SEL
0
2
EFB CW
3)
03.09 EFB reference 1
03.10 EFB reference 2
EFB SW
3)
Actual 1
3)
Actual 2
3)
1)
EXT1/2
Start commands
0
2
58.25
SW
ACT1
ACT2
Data I/O
selection
Acyclic communication
Parameter
table
Groups
22/26/28/40 etc.
Reference
selection
Groups
22/26/28/40 etc.
Reference
selection
20.01
20.06
Par. 01.01...255.255
2)
I/O 1
I/O 2
I/O 3
...
I/O 24
58.101
58.124
See also other parameters which can be controlled through fieldbus.
1
Data conversion if parameter
is set to
. See section
About the control profiles (page 713)
.
2
If parameter
is set to
,
3
•
The sources of the status word and actual values are selected by parameters
(otherwise, actual values 1 and 2 are automatically selected ac-
cording to reference type), and
•
The control word is displayed by
6.5 EFB transparent control word
■
Control word and Status word
The Control Word (CW) is a 16-bit or 32-bit packed boolean word. It is the principal
means of controlling the drive from a fieldbus system. The CW is sent by the
fieldbus controller to the drive. By drive parameters, the user selects the EFB CW
as the source of drive control commands (such as start/stop, emergency stop,
Fieldbus control through the embedded fieldbus interface (EFB) 711
Содержание ACS880 Series
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