A-29
Appendices
NJ/NX-series CPU Unit Motion Control Userās Manual (W507)
A-5 PDS State Transition
A
A-5 PDS State Transition
The PDS state transition is defined in CiA402 drive profile. Use the Controlword (6040 hex) process
data to command PDS state transitions. To check actual PDS states, use the Statusword (6041 hex)
process data.
The following diagram shows the state transition defined in CiA402 drive profile.
Each box indicates a state, while numbers indicate the state control commands.
Start
Shutdown: 2
7: Disable Voltage
Switch on: 3
6: Shutdown
Disable Voltage: 10
Enable operation: 4
5: Disable
operation
15: Fault reset
8: Shut down
9: Disable Voltage
16
12
11
13: Error occurs
Not ready to switch on
Switch on
disabled
Fault
Ready to
switch on
Switched on
Operation
enabled
Quick stop
active
Fault reaction
active
0:
1:
14:
Power turned OFF or Reset
After the control power is turned ON
After initialization is completed
Error response
operation is completed