Overview of Alarms 08/2005
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© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
%2 = Drive number
Definitions: The upper current limit in MD 1181: $MD_CURRCTRL_ADAPT_CURRENT_2 (upper
adaption current limit) is less than the lower current limit in MD 1180:
$MD_CURRCTRL_ADAPT_CURRENT_1 (lower adaption current limit).
Reactions: - Interface signals are set.
- Alarm display.
Remedy: Modify MD 1181: $MD_CURRCTRL_ADAPT_CURRENT_2 (upper adaption current limit)
and MD 1180: $MD_CURRCTRL_ADAPT_CURRENT_1 (lower adaption current limit).
Program Con-
tinuation:
Alarm display showing cause of alarm disappears. No further operator action necessary.
300900 Axis %1 drive %2 stop A triggered
Parameters: %1 = Axis number
%2 = Drive number
Definitions: The drive is disabled via STOP A. This blocks the pulses over the relay "Antrieb_IMP".
Request: In monitoring cycle.
If STOP A has been triggered, this can have several reasons:
1. The timer in MD 1356: $MD_SAFE_PULSE_DISABLE_DELAY (delay pulse disable) of
STOP B has expired.
2. The speed threshold in MD 1360: $MD_SAFE_STANDSTILL_VELO_TOL (stop speed
pulse disable)of STOP B has not been reached.
3. The test of the deactivation path has been requested by the user through SGE "Test
stop selection", but the pulses were not deleted in MD 1357:
$MD_SAFE_PULSE_DIS_CHECK_TIME (time for testing the pulse disable) when the
time stage expired.
4. Safe brake ramp has responded.
5. "SG-specific stop reaction" is set to STOP A and has responded.
The alarm can be reprogrammed in the 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.
Remedy: Please inform the authorized personnel/service department. The user must find the cause
and take appropriate measures.
Program Con-
tinuation:
Switch control OFF - ON.
300901 Axis %1 drive %2 stop B triggered
Parameters: %1 = Axis number
%2 = Drive number
Definitions: The drive is disabled via STOP B. This blocks the pulses over the relay "Antrieb_IMP".
Request: In monitoring cycle.
If STOP B has been triggered, this can have several reasons:
1. Safe zero speed control has responded.
2. Call after STOP F, that means an error has occurred during cross-comparison.
3. "SG-specific stop reaction" is set to STOP B and has responded.
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