8.11 Change Linear Deceleration Time Constant (DCC)
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8
8.11 Change Linear Deceleration Time Constant (DCC)
The DCC command transfers the setting of the Linear Deceleration Time (motion setting parameter OL

38) to
the Second-step Linear Deceleration Time Constant in the SERVOPACK and enables the setting.
For the SGD-

N and SGDB-

AN SERVOPACKs, this command is ignored.
(1) Operating Procedure
(2) Holding and Aborting
The Command Pause bit (OB

090) and the Command Abort bit (OB

091) cannot be used.
(3) Related Parameters
(a) Setting Parameters
No. Execution Conditions Confirmation Method
1 There are no alarms. Both IL

02 and IL

04 are 0.
2 The Servo ON condition. IB

001 is ON.
3 Pulse distribution has been completed for the
SERVOPACK.
IB

0C0 is ON.
4 Motion command execution has been completed. IW

08 is 0 and IB

090 is OFF.
Execute the
DCC
motion command.
• Set OW

08 to 11.
• With the MECHATROLINK-II, there is the function that the
change of setting parameter is automatically updated. If utilizing
this function, there is no need to execute DCC command. For
details, refer to 7.2.1 Motion Fixed Parameter Details.
• The Command Pause (OB

090) cannot be used.
• The Command Abort (OB

091) cannot be used.
The Linear Deceleration Time Constant is set
in the SERVOPACK and enabled.
• IW

08 will be 11 during command
execution.
• IB

090 will be ON during command
execution.
Parameter change completed.
• IW

08 will be 11 and IB

090 will be
OFF.
Execute NOP motion command.
• Set OW

08 to 0.
Parameter Name Setting
OW

03 Function 1 Set the speed unit, acceleration/deceleration unit, and filter type.
OW

08 Motion Command The linear deceleration time constant is changed when this parameter is set to 11.
OB

090 Command Pause This parameter is ignored for DCC command.
OB

091 Command Abort This parameter is ignored for DCC command.
OL

38 Linear Deceleration
Time
Set the deceleration for feeding as the deceleration time.
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