YASKAWA JEPMC-MP2300-Y Series

7
Motion Commands
7.2.17
Write SERVOPACK Parameter (PRM_WR)
7-70
7.2.17 Write SERVOPACK Parameter (PRM_WR)
The PRM_WR command writes the setting value the relevant SERVOPACK parameter using the
specified SERVOPACK parameter number, parameter size, and setting data.
( 1 ) Executing/Operating Procedure
1.
Check to see if all the following conditions are satisfied.
2.
Set OW

08 to 18 to execute the PRM_WR motion command.
The SERVOPACK parameter will be written.
IW

08 will be 18 during command execution.
IB

090 will turn ON during the command processing and will turn OFF when the command
processing has been completed.
3.
Set OW

08 to 0 to execute the NOP motion command and then complete the
writing operation.
( 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 Motion command execution has been completed.
IW

08 is 0 and IB

090 is OFF.
Parameter Name Setting
OW

08
Motion Command
The SERVOPACK parameter is written when this parameter is set to 18.
OB

090
Command Pause
This parameter is ignored for PRM_WR command.
OB

091
Command Abort
This parameter is ignored for PRM_WR command.
OW

50
Servo Constant
Number
Set the number of the SERVOPACK parameter to be written.
OW

51
Servo Constant Size
Set the size of the SERVOPACK parameter to be written.
Set the size as the number of words.
Example: For 4 bytes, set "2."
OL

52
Servo User Constant
Set the data to be set to the SERVOPACK parameter to be written.