304 Fieldbus control with embedded fieldbus
Drive control parameters
After the Modbus communication has been set up, the drive control parameters listed
in the table below should be checked and adjusted when necessary.
The Setting for fieldbus control column gives the value to use when the Modbus
interface is the desired source or destination for that particular signal. The
Function/Information column gives a description of the parameter.
Parameter Setting for
fieldbus
control
Function/Information Modbus register
address
CONTROL COMMAND SOURCE SELECTION ABB DRV DCU
1001 EXT1
COMMANDS
COMM Enables 0301 FB CMD WORD 1 bits
0…1 (STOP/START) when EXT1 is
selected as the active control
location.
40031
bits 0…1
1002 EXT2
COMMANDS
COMM Enables 0301 FB CMD WORD 1 bits
0…1 (STOP/START) when EXT2 is
selected as the active control
location.
40031
bits 0…1
1003 DIRECTION FORWARD
REVERSE
REQUEST
Enables the rotation direction control
as defined by parameters 1001 and
1002. The direction control is
explained in section Reference
handling on page 311.
40031
bit 2
1010 JOGGING
SEL
COMM Enables jogging 1 or 2 activation
through 0302 FB CMD WORD 2 bits
20…21 (JOGGING 1 / JOGGING 2).
40032
bits
20…21
1102 EXT1/EXT2
SEL
COMM Enables EXT1/EXT2 selection
through 0301 FB CMD WORD 1 bit 5
(EXT2); with the ABB drives profile
5319 EFB PAR 19 bit 11 (EXT CTRL
LOC).
40001
bit 11
40031
bit 5
1103 REF1
SELECT
COMM
COMM+AI1
COMM*AI1
Fieldbus reference REF1 is used
when EXT1 is selected as the active
control location. See section Fieldbus
references on page 308 for
information on the alternative
settings.
40002 for REF1
1106 REF2
SELECT
COMM
COMM+AI1
COMM*AI1
Fieldbus reference REF2 is used
when EXT2 is selected as the active
control location. See section Fieldbus
references on page 308 for
information on the alternative
settings.
40003 for REF2
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