Master/Follower Interlock Words - ABB ACS800 Firmware Manual

Master/Follower interlock words

Data set 43 is used for transmission of Master Interlock Word from Master drive to
Follower drive. Data set 43 is updated on 100 ms.
Data set word 44.1 is used for transmission of Follower Interlock Word from Follower
drive to Master drive. Data set word 44.2 is used for transmission of sync pos error
from Follower drive to Master drive. Data set 44 is updated on 100 ms.
The figure below illustrates the transmission of Master and Follower interlock words
in both directions.
Master
DATA SET 43
Interlock Word
Interlock
- F OFF2 OK
- F Fault- M torque prove OK
- F Slow Down
- F End limit
- F Fast stop
- EXT1/EXT2 control diff
Follower n
Interlock
100 ms
- M OFF2 OK
- M Fault
- M torque prove OK
- M Slow Down
- M End limit
- M Fast stop
- EXT1/EXT2 control diff
- Brake open for torque
controlled follower
100 ms
DATA SET 44
Interlock Word
97
Program features