Siemens SINUMERIK 840Di Diagnostic Manual page 460

Overview of Alarms
NCK alarms
27013 Axis %1 safe braking ramp exceeded
Parameters: %1 = Axis number
Definitions: After the initiation of STOP B or C, the velocity exceeded the tolerance value entered in MD
$MA_SAFE_STOP_VELO_TOL.
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.
Pulse interlock by triggering a STOP A.
Remedy: Check MD $MA_SAFE_STOP_VELO_TOL. Check the braking behavior of the affected drive.
Program Switch control OFF - ON.
Continuation:
27020 Axis %1 stop E 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 MD $MA_SAFE_VELO_STOP_MODE,
$MA_SAFE_VELO_STOP_REACTION or MD: $MA_SAFE_POS_STOP_MODE).
Reaction: NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
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 Clear alarm with the RESET key. Restart part program
Continuation:
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).
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 Clear alarm with the RESET key. Restart part program
Continuation:
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© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006