Pmem_Wr (Write Non-Volatile Memory) - YASKAWA SVC User Manual

4.2.31

PMEM_WR (Write Non-volatile Memory)

The PMEM_WR command writes the specified setting data to SERVOPACK non-volatile mem-
ory at the specified memory address and size.
Whether data can be written to non-volatile memory depends on the product specifications
Information
of the SERVOPACK. Refer to the relevant SERVOPACK manual for details.
Execution and Operating Procedures
1.
Make sure that all of the following conditions are met.
No.
1
2
*
Before you change to this command during the execution of another command, you must check whether
the command can be changed and how operation changes when the command is changed. Refer to the
following section for details on changing from another command.
4.4 Changing the Command on page 4-137
2.
Set the following setting parameters.
• OW51 (SERVOPACK Parameter Size)
• OL52 (SERVOPACK Parameter Set Value)
• OL58 (Address Setting)
Information
3.
Set the OW08 setting parameter (Motion Commands) to 38 to execute the
PMEM_WR motion command.
4.
Set OW08 to 0 to execute the NOP motion command.
This concludes the process for writing to non-volatile memory.
Holding and Canceling Commands
Bit 0 (Hold Command) and bit 1 (Cancel Command) in the OW09 setting parameter can-
not be used to stop the axis.
Execution Condition
Must be ready for motion operation.
Motion command execution for the target axis
must be completed.*
Make any necessary change to OW51, OL52, and OL58 before the
PMEM_WR command is executed, or during the same scan that OW08 is set to
38. Do not make these changes during execution of the PMEM_WR command.
4.2 Motion Command Details
4.2.31 PMEM_WR (Write Non-volatile Memory)
Confirmation Method
Bit 0 in IW00 must be 1.
IW08 must be 0 and bit 0 in
IW09 must be 0.
4
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