Subcommands - YASKAWA Sigma-V Series User Manual

 Automatic Offset Adjustment of Motor Current Detection Signals
Use the following procedure to adjust the offset of the motor current detection signals for a multi-winding drive system.
After you complete the adjustment, always disable automatic adjustment (Pn009 = n.0).
Step
1 Enable automatic adjustment of the motor current detection signal offset (Pn009 = n.1).
2 Turn the control power supply OFF and ON again.
Turn the SERVOPACK/converter main circuit power supplies OFF and ON again.
The motor current detection signal offset will be automatically adjusted when the main circuit power supplies
3
to the SERVOPACKs are detected.
Up to 2 seconds will be required for the automatic adjustment.
4 Disable automatic adjustment of the motor current detection signal offset (Pn009 = n.0).
Note: Perform this adjustment only the first time that the main circuit power supply is turned ON after the control power
supply is turned ON.
 Related Parameters
Parameter
n.0
[Factory
setting]
Pn009
n.1

4.2.2 Subcommands

The following table lists the subcommands for MECHATROLINK-II communications.
Command
Code
00 hex NOP
01 hex PRM_RD
02 hex PRM_WR
05 hex ALM_RD
1C hex PPRM_WR
28 hex LTMOD_ON
29 hex LTMOD_OFF
30 hex SMON
Does not execute automatic adjustment.
Performs automatic offset signal adjustment of the motor current
detection signal when the main circuit power supply is turned ON.
Command
Same function as NOP main command.
Same function as PRM_RD main command.
Same function as PRM_WR main command.
Same function as ALM_RD main command.
Same function as PPRM_WR main command.
Same function as LTMOD_ON main command.
Same function as LTMOD_OFF main command.
Same function as SMON main command.
4.2 MECHATROLINK-II Commands
Operation
Meaning
Function
When Enabled
After restart
4
4-7