7   Applied Functions
7 - 48
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
 
You can select the dynamic brake as a method to stop the Servomotor when the Servo is turned OFF 
(PDS state machine = Disable operation). Also, you can select the dynamic brake for the operation 
after stopping.
Use the Stop Selection - Disable Operation Option Code (3B20-02 hex) for setting.
 
You can select the dynamic brake as a method to stop the Servomotor when an error occurs (PDS state 
= Fault reaction active). Also, you can select the dynamic brake for the operation after stopping.
Use the Stop Selection - Fault Reaction Option Code (3B20-04 hex) for setting.
Set 
value
Deceleration operation Operation after stopping
-7 Operation 
A
*1
*1. The Servomotor stops according to the setting of Operation B while in an STO status or 
when the P-N Voltage drops to the specified value or lower. In other cases, the Servomotor 
decelerates to stop according to the setting of Operation A.
Deceleration stop (The decelera-
tion stop torque is used.)
Free
Operation 
B
*1
Free-run
-6 Operation 
A
*1
Deceleration stop (The decelera-
tion stop torque is used.)
Free
Operation 
B
*1
Dynamic brake operation
-5 Operation 
A
*1
Deceleration stop (The decelera-
tion stop torque is used.)
Dynamic brake operation
Operation 
B
*1
Free-run
-4 Operation 
A
*1
Deceleration stop (The decelera-
tion stop torque is used.)
Dynamic brake operation
Operation 
B
*1
Dynamic brake operation
-3 Dynamic brake operation Free
-2 Free-run Dynamic brake operation
-1 Dynamic brake operation Dynamic brake operation
0 Free-run Free
Servo OFF
Set 
value
Deceleration operation Operation after stopping
-6 Deceleration stop (The deceleration stop 
torque is used.)
Free
-4 Dynamic brake operation
-3 Dynamic brake operation Free
-2 Free-run Dynamic brake operation
-1 Dynamic brake operation Dynamic brake operation
0 Free-run Free
Occurrence of Error