Siemens SINUMERIK 840Di Diagnostic Manual page 436

Overview of Alarms
NCK alarms
26121 Channel %1 axis %2 is NEUTRAL and $AA_ESR_ENABLE = 1 should be
set
Parameters: %1 = Channel
%2 = Axis, spindle
Definitions: $AA_ESR_ENABLE[Achse] = 1 should not be set to neutral axes (apart from single axes).
Neutral axes (apart from single axes) cannot execute an ESR.
Reaction: Alarm display.
Remedy: Do not apply $AA_ESR_ENABLE[Achse] = 1 to neutral axes (apart from single axes).
Alarm can be suppressed via $MN_ALARM_SUPPRESS_MASK_2 bit 6 = 1.
Program Clear alarm with the Delete key or NC START.
Continuation:
26122 Channel %1 axis %2, $AA_ESR_ENABLE = 1, axis replacement not
executed in this state
Parameters: %1 = Channel
%2 = Axis, spindle
Definitions: With $AA_ESR_ENABLE[Achse] = 1 axis replacement not permitted.
Reaction: Interpreter stop
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Set $AA_ESR_ENABLE[axis] = 0 before axis replacement.
Program Clear alarm with the RESET key. Restart part program
Continuation: Set $AA_ESR_ENABLE[axis] = 0
26123 Channel %1 axis %2, $AA_ESR_ENABLE = 1 should be set, but
$MA_ESR_REACTION = 0
Parameters: %1 = Channel
%2 = Axis, spindle
Definitions: $AA_ESR_ENABLE[axis] = 1 should only be set on axes with $MA_ESR_REACTION[Achse] > 0.
The following example brings about the alarm:
N100 $MA_ESR_REACTION[AX1] = 21
N110 $AA_ESR_ENABLE[AX1] = 1
N120 NEWCONF
because $MA_ESR_REACTION[AX1] = 21 will become known to the NCK at the time of N120
NEWCONF.
Correct would be:
N100 $MA_ESR_REACTION[AX1] = 21
N110 NEWCONF
N120 $AA_ESR_ENABLE[AX1] = 1
Reaction: Alarm display.
Remedy: Before setting $AA_ESR_ENABLE[axis] = 1, $MA_ESR_REACTION[axis] > 0 must be set.
When setting $MA_ESR_REACTION[axis] in the parts program, e.g. NEWCONF must be called
before $AA_ESR_ENABLE[axis].
Alarm can be suppressed via $MN_ALARM_SUPPRESS_MASK_2 bit 6 = 1.
Program Clear alarm with the Delete key or NC START.
Continuation:
2-436
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006