Yaskawa SI-ET3 - Manual (Page 28)

9 Main Command
28 YASKAWA ELECTRIC SIEP C730600 62B 1000-Series Option SI-ET3 Technical Manual
In the following status, an alarm is detected and the command goes into error.
Example: Writing C1-01 (200H)
‹ ID_RD: 03H (Read ID Command)
The ID_RD command is used to read the ID of a device. This command reads the product information as ID data.
2
CMD_STAT
Refer to Command Status (CMD_STAT) on page 24 .
If the SIZE data is invalid, “9” is set for CMD_ALM. 3
4
NO
MEMOBUS/Modbus register number (Lower) set in the command.
5 MEMOBUS/Modbus register number (Upper) set in the command.
6 SIZE The value set in the command.
7 Reserved (0) 0 is set.
8
PARAMETER
The value set in the command.
0 is stored when the field is not used.
9
10
x
x
31
Error Response
Register Number Error “9” is set for CMD_ALM.
Bit Count Error “9” is set for CMD_ALM.
Data Setting Error “9” is set for CMD_ALM.
Write Mode Error “9” is set for CMD_ALM.
Writing Error during Under Voltage “9” is set for CMD_ALM.
Writing Error during Parameter Processing “9” is set for CMD_ALM.
Byte Command Response
4 00H 00H
5 02H 02H
6 02H 02H
7 00H 00H
8 Value set to C1-01 (Lower) Value set to C1-01 (Lower)
9 Value set to C1-01 (Upper) Value set to C1-01 (Upper)
ID_RD command
Byte Command Description
0 ID_RD (03H) Command code
1 WDT Watchdog data
2
CMD_CTRL Refer to Command Control (CMD_CTRL) on page 24 .
3
4 ID_CODE
Specifies the ID_CODE.
Refer to
Table 13 for details.
5 OFFSET Set the offset in byte.
6
SIZE
Set the size in byte. (Lower)
7 Set the size in byte. (Upper)
8
Reserved (0) Not used
x
x
31
PRM_WR Response
Byte Response Description