YASKAWA
SIEP C730600 88F MECHATROLINK-III Technical Manual
33
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ALM_RD: 05 (Hex.) (Read Alarm and Warning Command)
The ALM_RD command reads the alarm or warning state. The command can be used in communication phases 2
and 3. The current alarm or warning state is read from ALM_DATA as an alarm or warning code. Refer to the
drive manual for details about ALM_DATA.
ALM_RD Command
Byte
Command
Description
0
ALM_RD (05 (Hex.))
Command code
1
WDT
Watchdog data
2
CMD_CTRL
Refer to page
3
4
ALM_RD_MOD
Specify the alarm or warning state. (Lower)
5
Specify the alarm or warning state. (Lower)
6
ALM_INDEX
Specify the alarm index.
The command is enabled when ALM_RD_MODE is 2. (Lower)
7
Specify the alarm index.
The command is enabled when ALM_RD_MODE is 2. (Upper)
8
Reserved (0)
Not used
9
10
・
・
31
ALM_RD Response
Byte
Response
Description
0
ALM_RD (05 (Hex.))
Command code
1
RWDT
Watchdog data
2
CMD_STAT
Refer to page
3
4
ALM_RD_MOD
The value set in the command.
5
6
ALM_INDEX
The value set in the command.
7
8
ALM_DATA
ALM_DATA specifies an alarm using 2 bytes.
9
10
・
・
31
Table 9.3 ALM_RD_MOD
ALM_RD_MOD
Description
0
Present fault (Byte 6), Fault history (Byte 8 - 11)
U2-01
,
U2-02
1
Alarm status list (Byte 8 - 27)
U3-01
-
U3-10
2
Fault history (Alarms are not retained in the history.)
(Byte 8 - 9)
U2-01
,
U3-01
-
U3-10