Sub-Commands; Nop: 00 (Hex.) (No Operation); Prm_Rd: 01 (Hex.) (Read Parameter); Prm_Wr: 02 (Hex.) (Write Parameter) - YASKAWA MECHATROLINK-II SI-T3 Technical Manual

8 MECHATROLINK-II Commands
MON1/2
B Multi-Function Input Terminal S1 - S8
C Analog input terminal A1
D Speed Detection PG 2 Counter
E Monitor data set in F6-23
F Monitor data set in F6-24
In the following case, a warning is generated and the command is ignored.
• If not in phase 2 or 3: Command warning (A.95)
◆

Sub-Commands

Use sub-commands after selecting the 32-byte data transmission (F6-21 = 0).
■

NOP: 00 (Hex.) (No Operation)

Byte
17
18
19 - 29
This is the format of No Operation sub-command.
■

PRM_RD: 01 (Hex.) (Read Parameter)

Byte
17
18
19, 20
21
22 - 29
The PRM_RD command is used to read the Drive internal parameters. This sub-command functions in the same
way as the PRM_RD main command.
In the following case, a warning is generated and the command is ignored. If a warning is generated, the values
that are read are undefined.
• If a register number (NO) fault occurs: Data setting warning (A.94)
• If SIZE is an odd number or is not between 2 and 8: Data setting warning (A.94)
• If a main command is PRM_RD or PRM_WR: Command warning (A.95)
■

PRM_WR: 02 (Hex.) (Write Parameter)

Byte
17
18
19, 20
21
22 - 29
The PRM_WR sub-command is used to write internal Drive parameters. This sub-command functions in the same
way as the PRM_WR main command.
In the following case, a warning is generated and the command is ignored. If a warning is generated, the values
that are read are undefined.
• If a register number (NO) fault occurs: Data setting warning (A.94)
• If SIZE is an odd number or is not between 2 and 8: Data setting warning (A.94)
• Data upper/lower limit fault: Data setting warning (A.94)
34
Item
Command
NOP
0
Command
PRM_RD
0
NO
SIZE
0
Command
PRM_WR
0
NO
SIZE
PARAMETER
Remarks
Same as U1-10
Same as U1-13, 0.1%
Response
SUBSTATUS
Response
PRM_RD
SUBSTATUS
PARAMETER
Response
PRM_WR
SUBSTATUS
PARAMETER
YASKAWA SIEP C730600 86F MECHATROLINK-II Technical Manual
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-
-
NOP
0
NO
SIZE
NO
SIZE