Siemens Sinumerik 840D sl Diagnostic Manual page 417

03/2009
Reaction: 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).
Reaction: 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).
Reaction: 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.
Trigger a "Deceleration on the current limit" and activation of the timer for a switchover after STOP A
(see MD $MA_SAFE_PULSE_DISABLE_DELAY).
Remedy: Eliminate causes of alarm "Tolerance for safe standstill exceeded" or "STOP F triggered" (see
description of these alarms).
Program Con- Switch control OFF - ON.
tinuation:
© Siemens AG, 2009. All Rights Reserved
SINUMERIK 840D sl, 840Di sl, SINAMICS, Diagnostics Manual (DAsl), 03/2009
Overview of Alarms
NCK alarms
2-417