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Appendices
A - 2 AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
A-1 CiA 402 Drive Profile
This section describes the profile that is used to control the Servo Drive.
The state of 1S-series Servo Drives with built-in EtherCAT communications is called “PDS state.”
The PDS state is controlled by Controlword (6040 hex).
Each PDS state is shown in Statusword (6041 hex).
The state of an 1S-series Servo Drive changes as shown below.
Each

box indicates a state, while numbers 2 to 10 and 15 indicate the state control commands.
Refer to State Descriptions on page A-3 for details on the states, and State Control Commands on page
A-3 for details on the state control.
Note Quick stop active state is not supported. Even if a Quick stop command is received, it will be ignored.
A-1-1 Controlling the State Machine of the Servo Drive
State Machine
Power turned OFF or Reset
Not ready to switch on
1: After initialization is completed
Start
ON
Control circuit
power supply
Main circuit
power supply
Servo
ON/OFF
ON
ON
ON
ON ON
OFF
OFF
ON
or
OFF
0: After the control power is turned ON
Switch on
disabled
Fault
Shutdown: 2
7: Disable Voltage
Ready to
switch on
Switch on: 3
Switched on
6: Shutdown
Disable Voltage: 10
Enable operation: 4
5: Disable
operation
15: Fault reset
Operation
enabled
8: Shut down
9: Disable Voltage
13: Error occurs
Fault reaction
active
14: Error
response
operation
completed