
CiA®402 - IEC61800-7 Functional Profile
82
S1A28701 03/2010
Step 2
• Check that the drive is in the “3 - Ready to switch on” state.
• Then send the “4 - Enable operation” command.
• The motor can be controlled (send a reference not equal to zero).
NOTE: It is possible, but not necessary, to send the “3-Switch on” command followed by the “4 - Enable
Operation” command to switch successively into the states “3 - Ready to Switch on”, “4 - Switched on” and
then “5 - Operation Enabled”.
The “4 - Enable operation” command is sufficient.
DRIVE
Power section
line supply
Bus or network
Entry into state chart
From all states
Not ready to
switch on
Fault reaction
active
Fault
Switch on
disabled
Ready to
switch on
Disable voltage or
Quick stop
Shutdown
Disable
voltage
Shutdown
Switch on
Disable voltage
or Quick stop
Switched on
Operation
enabled
Quick stop
active
Enable
operation
Disable
operation
Quick stop
Switch on
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