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12   Troubleshooting
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
12-3  Errors
12
12-3-2  Deceleration Stop Operation at Errors
The deceleration stop function controls the motor and decelerates it to stop if an error that causes the 
deceleration stop occurs.
 
12-3-2 Deceleration Stop Operation at Errors
Related Objects
Index 
(hex)
Subindex 
(hex)
Name Description
Refer-
ence
605E 00 Fault reaction option 
code
Sets the state during deceleration and after 
stopping for when an error occurs.
P. A- 4 6
3B21 --- Deceleration Stop Sets the torque for deceleration stop. P. 9-67
01 Torque Sets the torque limit value during deceleration 
stop.
P. 9-67
Deceleration Stop Operation
Control
Speed 
[r/mn] 
Time
Velocity command
Motor speed
Control through host commandsControl through host commands
Error that causes the deceleration stop occurs No error 
Error 
Speed 
determined
as stop  
[30 r/min] 
Torque control is performed to stop the motor 
with Deceleration Stop - Torque (3B21-01 hex
(measure to reduce shock at the time of stop)