YASKAWA MECHATROLINK Sigma 2 Series - Read Alarm or Warning (ALM_RD: 05 H)

4.3 Main Commands
4-13
4
4.3.6 Read Alarm or Warning (ALM_RD: 05H)
* Alarm occurrence history is saved on E
2
PROM, and will not be lost if
power goes OFF.
 Details of ALM_RD_MOD
Byte ALM_RD Description
Command Response
1 05H 05H Processing clas-
sifications
Control com-
mand group
Synchronization
classifications
Asynchronous
2 ALARM Processing time Refer to
 Details of
ALM_RD_MOD.
Subcommand
Cannot be used.
3STATUS• Reads the following alarm or warning status.
- Current alarm/warning status
- Alarm status history* (warning history is not preserved.)
• The ALM_RD_MOD specifications are shown in the following table.
• The latest error and warning information is contained from byte 6 onwards of
the ALM_DATA. When there are no errors or warnings, the remaining bytes
are normal (99H).
• A warning will occur and the command will be ignored in the following cases.
- If a digital operator is connected: MECHATROLINK-II command warning
(A.95)
- If SigmaWin and so on are connected: MECHATROLINK-II command
warning (A.95)
- If ALM_RD_MOD is not within range: Parameter setting warning (A.94)
4
5 ALM_RD_MOD ALM_RD_MOD
6 ALM_DATA
7
8
9
10
11
12
13
14
15
16 WDT RWDT
ALM_RD_MOD Description Processing
Time
0
Read current alarm/warning status
10 items max. (sixth to fifteenth byte)
Within commu-
nications cycle
1
Read alarm status history
10 items max. (sixth to fifteenth byte)
(Warning history is not preserved.)
Within 2 s