YASKAWA
SIEP C730600 88F MECHATROLINK-III Technical Manual
29
PRM_RD Response
Byte
Response
Description
8
PARAMETER
Sets the data read in the byte set in the command. The option stores the data read for PARAMETER from lower byte (LSB)
to upper byte (MSB). 0 is stored when the field is not used.
0 is stored in PARAMETER when command error occurs.
9
10
・
・
31
■
Example: Reading C1-01 (200 (Hex.))
Byte
Command (Hex.)
Response (Hex.)
4
00
00
5
02
02
6
02
02
7
00
00
8
00
Value set to
C1-01
(Lower)
9
00
Value set to
C1-01
(Upper)
◆
PRM_WR: 02 (Hex.) (Write Parameter Command)
The PRM_WR command specifies the parameter number, data size, and parameter data to write a parameter. The
command can be used in communication phases 2 and 3. The CONFIG command must be sent to set up after the
parameters are written. Refer to the drive manual for more information on MEMOBUS/Modbus register numbers.
PRM_WR Response
Byte
Command
Description
0
PRM_WR (02 (Hex.))
Command code
1
WDT
Watchdog data
2
CMD_CTRL
Refer to page
3
4
NO
MEMOBUS/Modbus register number (Lower)
5
MEMOBUS/Modbus register number (Upper)
6
SIZE
Specify the parameter data size in bytes.
2, 4, 6, and 8 are available.
7
Reserved (0)
Not used
8
PARAMETER
Specify the lower byte (LSB) before the upper byte (MSB) in the size set in the SIZE.
9
10
・
・
31
PRM_WR Response
Byte
Response
Description
0
PRM_WR (02 (Hex.))
Command code
1
RWDT
Watchdog data
2
CMD_STAT
Refer to page
If the SIZE data is invalid,
“
9
”
is set for CMD_ALM.
3
4
NO
The value (Lower) set in the command.
5
The value (Upper) set in the command.