42  Start-up       
The start sequence for the parameter example above is given 
below.
Control word:
•
Reset the fieldbus communication fault (if active).
•
Enter 7Eh (126 decimal) → SWITCH-ON DISABLED.
•
Enter 7Fh (127 decimal) → OPERATION ENABLED.
1001 EXT1
COMMANDS
10 = COMM Selects the fieldbus interface as 
the source of the start and stop 
commands for external control 
location 1.
1102 EXT1/EXT2 SEL 0 = EXT1 Enables external control location 
1/2 selection through the fieldbus.
1103 REF1 SELECT 8 = COMM Selects the fieldbus reference 1 
as the source of the speed 
reference.
1601 RUN ENABLE 7 = COMM Selects the fieldbus interface as 
the source for the inverted Run 
enable signal (Run disable).
1604 FAULT RESET 
SEL
8 = COMM Selects the fieldbus interface as 
the source for the fault reset 
signal.
1) Read-only or automatically detected/set
2) Example
Drive parameter Setting for ACS355 
drives
Description