Id_rd: 03h (read id command) – Yaskawa SI-ET3 User 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
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