Siemens SINUMERIK 840D sl Series Diagnostics Manual page 24

Overview of Alarms
Definitions: An attempt was made to activate fast nibbling or punching in a channel while it has
already been active in another channel. Fast punching and nibbling is only possible simul-
taneously in the same channel.
Reactions: - NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Remedy: Fast nibbling and punching simultaneously in one channel only.
Program Con- Clear alarm with the RESET key. Restart part program
tinuation:
2900
Reboot is delayed
Definitions: This alarm indicates a delayed reboot.
This alarm only occurs when reboot was carried out by the MMC via PI -
"_N_IBN_SS"and MD 11410 $MN_REBOOT_DELAY_TIME was set greater than zero.
The alarm can be suppressed with $MN_SUPPRESS_ALARM_MASK BIT 20.
Reactions: - NC not ready.
- The NC switches to follow-up mode.
- Mode group not ready, also effective for single axes
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
- Alarm reaction delay is canceled.
Remedy: See $MN_REBOOT_DELAY_TIME and $MN_SUPPRESS_ALARM_MASK.
Program Con- Switch control OFF - ON.
tinuation:
3000
Emergency stop
Definitions: The EMERGENCY STOP request is applied to the NCK/PLC interface (DB 10, DBX
56.1).
Reactions: - NC not ready.
- Mode group not ready, also effective for single axes
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
- Alarm reaction delay is canceled.
Remedy: Please inform the authorized personnel/service department. Rectify the cause of EMER-
GENCY STOP and acknowledge EMERGENCY STOP via the PLC/NCK interface (DB
10, DBX 56, Bit 2).
Program Con- Clear alarm with the RESET key in all channels of this mode group. Restart part program.
tinuation:
3001
Internal emergency stop
Definitions: This alarm is not displayed.
Reactions: - NC not ready.
- Local alarm reaction.
- Mode group not ready, also effective for single axes
- NC Start disable in this channel.
- NC Stop on alarm.
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SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
© Siemens AG, 2005. All rights reserved
08/2005