ABB ACS880 N5700 Series - Basics of the fieldbus control interface

Basics of the fieldbus control interface
The cyclic communication between a fieldbus system and the drive consists of 16-
or 32-bit input and output data words. The drive is able to support a maximum of
12 data words (16 bits) in each direction.
Data transmitted from the drive to the fieldbus controller is defined by parameters
52.1 FBA A data in1 ... 52.12 FBA A data in12. The data transmitted from the fieldbus
controller to the drive is defined by parameters 53.1 FBA data out1 ... 53.12 FBA
data out12.
FBA Profile
Fieldbus network
Cyclic communication
1
2
3
4)
Profile
selection
Start function
22.11 /
26.11 / 26.12
...
1)
EXT1/2
Speed/Torque
REF1 sel
20.01
20.06
Parameter
table
Fieldbus adapter
Speed/Torque
REF2 sel
22.12 /
26.11 / 26.12
Par. 01.01...99.99
FBA ACT2
FBA ACT1
FBA MAIN SW
Par. 10.01...99.99
FBA REF2
FBA REF1
FBA MAIN CW
4)
DATA OUT
selection
Group 52
DATA IN
selection
Group 53
5)
Acyclic communication
See the manual of the fieldbus adapter
module.
3)
Profile
selection
3)
DATA
OUT
2)
12
DATA
IN
2)
1
2
3
5)
...
12
Fieldbus-specific interface
See also other parameters which can be controlled from fieldbus.1)
The maximum number of data words used is protocol-dependent.2)
Profile/instance selection parameters. Fieldbus module specific parameters. For
more information, see the User’s Manual of the appropriate fieldbus adapter
module.
3)
Fieldbus control through a fieldbus adapter 629