YASKAWA SVC User Manual page 601

11.3 MECHATROLINK-III I/O Module Settings
11.3.4 I/O Command Details
Write Memory Command
Changes data in the internal memory of the I/O Module.
Important
 Command Format
OW
OW + 1
OW + 2
OW + 3
OW + 4
OW + 5
OW + 6
OW + 7
 MODE/DATA_TYPE: Mode/Data Type
Bit 7
• MODE: Write Mode
0: Reserved for system.
1: Volatile memory
Writes data from volatile memory such as the SRAM.
2: Non-volatile memory
Writes data from non-volatile memory such as the EEPROM.
All other bits: Reserved for system.
• DATA_TYPE: Data Type
0: Reserved for system.
1: Byte data
2: Short data
3: Long data
4: Longlong data
All other bits: Reserved for system.
11-28
Some I/O Module devices do not support the Write Memory command. Refer to the product
specifications of the I/O Module for details.
Output Registers
7 6 5 4 3 2 1 0
Write Memory (= 8)
Not used.
Command Control
Not used.
MODE/DATA_TYPE
SIZE
ADDRESS Low
ADDRESS Low
DATA
DATA
•
•
•
Bit 6 Bit 5
MODE
IW
IW + 1
IW + 2
IW + 3
IW + 4
High
IW + 5
High
Low IW + 6
High
Low IW + 7
High
Bit 4 Bit 3
Input Registers
7 6 5 4 3 2 1 0
Write Memory (= 8)
Master Status
Command Status
Not used.
MODE/DATA_TYPE
SIZE
ADDRESS Low
High
ADDRESS Low
High
DATA Low
High
DATA Low
High
•
•
•
Bit 2 Bit 1 Bit 0
DATA_TYPE