YASKAWA SVC User Manual page 596

Read Non-volatile Parameter Command
Reads an I/O Module parameter from non-volatile memory.
Some I/O Module devices do not support the Read Non-volatile Parameter command. Refer to
the product specifications of the I/O Module for details.
Important
 Command Format
Output Registers
7 6 5 4 3 2 1 0
Read Non-volatile
OW
Parameter (= 5)
OW + 1
Command Control
OW + 2
OW + 3
OW + 4
OW + 5
OW + 6
OW + 7
 NO: Parameter Number
 SIZE: Parameter Size (Bytes)
 PARAMETER: Parameter Data
 Execution and Operating Procedure
1.
Make sure that the following condition is met.
No. Execution Condition
I/O command execution must be com-
1
pleted.
2.
Set the following parameters.
• NO (Parameter Number)
• SIZE (Parameter Size)
Setting Precautions
Make any necessary changes to NO (Parameter Number) or SIZE (Parameter Size) before executing
the Read Non-volatile Parameter command or during the same scan that the I/O Command register
is set to 5. Do not change these settings during execution of the Read Non-volatile Parameter com-
mand.
3.
Set the I/O Command register to 5 to execute the Read Non-volatile Parameter com-
mand.
Not used.
NO
SIZE
Not used.
•
•
•
11.3 MECHATROLINK-III I/O Module Settings
11.3.4 I/O Command Details
Input Registers
7 6 5 4 3 2 1 0
Read Non-volatile
IW
Parameter (= 5)
Master Status
IW + 1
Command Status
IW + 2
IW + 3
Not used.
IW + 4
PARAMETER Low
IW + 5
IW + 6
IW + 7
Confirmation Method
Command Status bit 2 (CMDRDY) = 1
NO
SIZE
High
•
•
•
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