3.2 - DEVICE PROFILE
3.2.1 - DEVICE CONTROL
3.2.1.1 - Drive State Machine
The state machine describes the status and the control sequence of the drive.
Drive State
The following states of the device are possible:
• NOT READY TO SWITCH ON
Low level power has been applied to the drive.
The drive is being initialized or is running self test.
A brake, if present, has to be applied in this state.
The drive function is disabled.
• SWITCH ON DISABLED
Drive initialization is complete.
The drive parameters have been set up.
Drive parameters may be changed.
High voltage may not be applied to the drive, (e.g. for safety reasons).
The drive function is disabled.
Power
Disabled
Fault
Power
enabled
Not Ready to
Switch On
Switch On
Disabled
1
0
Ready to Switch
On
2 7
Switch On
3 6
Operation
Enable
4 5
Fault Reaction
Active
Start
Fault
14
13t
15
Quick Stop
Active
10 12
11
16
8 9