Siemens SINUMERIK 840D sl Series Diagnostics Manual page 405

08/2005
Trigger a LIFTFAST ASUB and internal activation of the safe operational stop (SBH) after
expiry of the time set in MD $MA_SAFE_STOP_SWITCH_TIME_E.
Remedy: Eliminate causes of the alarms "Safe velocity exceeded" or "Safe limit position exceeded"
(see description of these alarms).
Program Con- Clear alarm with the RESET key. Restart part program
tinuation:
27021
Axis %1 stop D triggered
Parameters: %1 = Axis number
Definitions: This alarm is output together with alarms 27011 "Safe velocity exceeded" or 27012 "Safe
limit position exceeded" (when configured as such in $MA_SAFE_VELO_STOP_MODE,
$MA_SAFE_VELO_STOP_REACTION or $MA_SAFE_POS_STOP_MODE).
Reactions: - NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Trigger a "Deceleration on the path" and internal activation of the safe operational stop
(SBH) after expiry of the time set in MD $MA_SAFE_STOP_SWITCH_TIME_D.
Remedy: Eliminate causes of alarm "Safe velocity exceeded" or "Safe limit position exceeded" (see
description of these alarms).
Program Con- Clear alarm with the RESET key. Restart part program
tinuation:
27022
Axis %1 stop C triggered
Parameters: %1 = Axis number
Definitions: This alarm is output together with alarms 27011 "Safe velocity exceeded" or 27012 "Safe
limit position exceeded" (when configured as such in $MA_SAFE_VELO_STOP_MODE,
$MA_SAFE_VELO_STOP_REACTION or $MA_SAFE_POS_STOP_MODE).
Reactions: - NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Trigger a "Deceleration on the current limit" and internal activation of the safe operational
stop (SBH) after expiry of the time set in MD $MA_SAFE_STOP_SWITCH_TIME_C.
Remedy: Eliminate causes of alarm "Safe velocity exceeded" or "Safe limit position exceeded" (see
description of these alarms).
Program Con- Clear alarm with the RESET key. Restart part program
tinuation:
27023
Axis %1 stop B triggered
Parameters: %1 = Axis number
Definitions: This alarm is output together with alarm 27010 "Tolerance for safe operational stop
exceeded" or after alarm 27001 "STOP F triggered". The alarm can be reprogrammed in
MD ALARM_REACTION_CHAN_NOREADY (channel not ready).
Reactions: - Mode group not ready.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
- Channel not ready.
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
Overview of Alarms
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