Siemens SINUMERIK 840D Series Diagnostics Manual page 534
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1 Alarms
300906
Parameters:
Definitions:
Reactions:
Remedy:
Program Continuation:
300907
Parameters:
Definitions:
Reactions:
Remedy:
Program Continuation:
300908
Parameters:
Definitions:
1-534
Axis %1 drive %2 safe braking ramp exceeded
%1 = NC axis number
%2 = Drive number
The drive is disabled via STOP A.
Request: In monitoring cycle.
The actual velocity of the axis has not been reduced during deceleration with "nset = 0"
(STOP B or STOP C) but has increased over the follow-on velocity limit during decelera-
tion and the tolerance entered in MD 1348: $MD_SAFE_VELO_TOL (actual velocity toler-
ance for SBR).
The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY
(channel not ready).
- Mode group not ready.
- Channel not ready.
- Channel not ready.
- NC Start disable in this channel.
- NC Stop on alarm.
- Alarm display.
- Interface signals are set.
Please inform the authorized personnel/service department. Check the deceleration
behavior and, if necessary, modify the velocity tolerance in MD 1348:
$MD_SAFE_VELO_TOL. Restart is only possible with POWER ON.
Switch control OFF - ON.
Axis %1 drive %2 tolerance for safe operational stop exceeded
%1 = Axis number
%2 = Drive number
The drive is disabled via STOP A or STOP B. This blocks the pulses over the relay
"Antrieb_IMP".
Request: In monitoring cycle.
The actual position has moved too far away from the setpoint/zero position (outside the
zero speed window). The zero speed window is parameterized through MD 1330:
$MD_SAFE_STANDSTILL_TOL (safe operational stop standstill tolerance).
- Mode group not ready.
- Channel not ready.
- Channel not ready.
- NC Start disable in this channel.
- NC Stop on alarm.
- Alarm display.
- Interface signals are set.
Please inform the authorized personnel/service department. Check the safe standstill tol-
erance: does the value match the precision and control dynamics of the axis? If not,
increase the tolerance.
Switch control OFF - ON.
Axis %1 drive %2 stop C triggered
%1 = Axis number
%2 = Drive number
The drive is disabled via STOP C. At the end of the stop reaction, the drive remains under
control, the axis is monitored for SBH.
Request: In monitoring cycle.
SINUMERIK 840D/840Di/810D Diagnostics Guide (DA) – 11.02 Edition
Siemens AG, 2002. All rights reserved
11.02
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