The Fieldbus Control Interface - ABB ACS800 Series Firmware Manual

The fieldbus control interface

The communication between a fieldbus system and the drive employs data sets.
One data set (abbreviated DS) consists of three 16-bit words called data words
(DW). The Winder Program supports the use of six data sets, three in each direction.
Table 2 Default connections for the cyclical fieldbus communication.
Data from Fieldbus Controller to Drive
*Index Word Contents
Main Reference Data Set DS1
1 1st word Main cmd
wd
2 2nd word Ext1 ref
3 3rd word Aux cmd wd
Auxiliary Reference Data Set DS3
7 1st word Tension
setpoint
8 2nd word Tension
taper
9 3rd word Core spd
match val
Auxiliary Reference Data Set DS5
13 1st word Draw**
14 2nd word Reference 7
15 3rd word Reference 8
* The index number is required when data word allocation to process data is defined via the fieldbus
parameters at group 51. The function is dependent on the type of the fieldbus adapter
** This draw is not controlled by Group 61; it is always added to the speed reference.
Note: These scaling values are only applicable when Par. 90.0x is left at 0.
Selector Scaling
90.01 See Table 3 on
page 149.
90.02 20000 = 11.05
EXT1
REF MAXIMUM
(Fixed) See Table 4 on
page 150.
90.04 20000 = 63.14
MAXIMUM
TENSION
90.05 20000 = 63.14
MAX TAPER/%
TAPER
90.06 0 = -61.03 SPD
MTCH RANGE,
20000 = +61.03
SPD MTCH
RANGE
(Fixed) +100 = +1%
90.06
90.09
Data from Drive to Fieldbus Controller
*Index Word Contents
Main Actual Signal Data Set DS2
4 1st word Actual 1
5 2nd word Actual 2
6 3rd word Actual 3
Auxiliary Actual Signal Data Set DS4
10 1st word Actual 4
11 2nd word Actual 5
12 3rd word Actual 6
Auxiliary Actual Signal Data Set DS6
16 1st word Actual 7
17 2nd word Actual 8
18 3rd word Actual 9
147
Selector
92.01
92.02
92.03
92.04
92.05
92.06
92.07
92.08
92.09
Fieldbus control