7 Alarm and Warning Processing
7-10
7.5
Handling Communications Alarms and Warnings
If an error occurs with MECHATROLINK-III communications, use the following procedure to resolve the
problem.
Refer to
7.1 Communication Related Alarms
and
7.2.1 Communication Errors (COMM_ALM)
in the
Σ
-V-SD
Series User’s Manual MECHATROLINK-III Standard Servo Profile Commands
(Manual No.: SIEP S800000
76) for details on MECHATROLINK-III communications alarms, alarm codes, and how to resolve them.
Note: Normal operation can be continued even if a warning occurs.
Because the INTERPOLATE command is used as the main command, use the command bit
CMD_CTRL.ALM_CLR to clear alarms.
NO
YES
NO
NO
NO
YES
YES
YES
NO
NO
YES
A
END
Alarm/warning
occurred?
Clearing alarm completed
(CMD_STAT.ALM_CLR_CMP = 1)?
Clear the warning
(command bit
CMD_CTRL.ALM_CLR = 1).
Wait for machine operator input
(wait for the clear warning key
on the operating panel).
• Stop the program?
Warning Resolution
• Stop the block in the NC
program?
Warning Resolution
• Reduce the operating speed of
the axis (decrease the override)?
Warning Resolution
END
• Continue operation?
Warning Resolution
Return the subcommand to the
normal operating state
(subcommand = Servo System
Monitor (SMON: 30 hex))
Display that a warning
has occurred and the
warning details.
Confirm the alarm code
confirmation
(subcommand = Read
Alarm: ALM_RD (05 hex)
+ ALM_RD_MOD = 0 +
ALM_INDEX = 0).
Continue operation
(keep the main command).
Subcommand
Main Command
Communications alarm or warning
(CMD_STAT.COMM_ALM ≥ 8)?
START
Return to flowchart in
7.1.2 Checking Alarms and
Warnings
.
