YASKAWA SVC User Manual page 597

11.3 MECHATROLINK-III I/O Module Settings
11.3.4 I/O Command Details
 Confirming Completion of the Command
Use the following information to confirm that the command has been completed.
No.
1
2
3
4
Important
Write Non-volatile Parameter Command
Changes an I/O Module parameter in non-volatile memory.
Important
 Command Format
OW
OW + 1
OW + 2
OW + 3
OW + 4
OW + 5
OW + 6
OW + 7
 NO: Parameter Number
 SIZE: Parameter Size (Bytes)
 PARAMETER: Parameter Data
11-24
I/O Command Response register = 5 (Read Non-volatile Parameter)
Command Status bit 2 (CMDRDY) = 1
NO must be the same in the command and response.
SIZE must be the same in the command and response.
1. If the command is not completed within 5 seconds after it is executed, bit 0 in the Master Sta-
tus register changes to 1 (TIMEOUT).
2. When bit 0 (D_ALM) or bit 1 (D_WAR) in the Command Status register is 1, check the error
details with the application and perform the stop processing. The system will not perform stop
processing.
Some I/O Module devices do not support the Write Non-volatile Parameter command. Refer to
the product specifications of the I/O Module for details.
Output Registers
7 6 5 4 3 2 1 0
Write Non-volatile
Parameter (= 6)
Not used.
Command Control
NO
SIZE
Not used.
PARAMETER Low
•
•
•
Confirmation Method
IW
IW + 1
IW + 2
IW + 3
IW + 4
High
IW + 5
IW + 6
IW + 7
Input Registers
7 6 5 4 3 2 1 0
Write Non-volatile
Parameter (= 6)
Master Status
Command Status
NO
SIZE
Not used.
PARAMETER Low
High
•
•
•