Siemens SINUMERIK 840D sl Function Manual page 636

Diagnostics
11.2 NCK safety alarms for SINUMERIK 840D sl
27005 Axis %1 error for crosswise data comparison: Static actual value difference
Remedy The user agreement must be deleted if the alarm is present as a steady-state alarm. When the control has
been rebooted, the machine can be brought into the safe state again, and operation resumed by a new
referencing process and setting the user agreement.
Prior to setting the user agreement, the actual position of the axis displayed in the "User enable" screen must
be compared with the current machine position. This is absolutely necessary to ensure proper functioning of
the safe limit positions (SE) and Safe Cams (SN).
The user agreement can only be changed in key-actuated switch setting 3 or after entering a password.
Program con‐ The alarm is no longer displayed when the alarm cause has been removed. No other operator actions are
tinuation required.
27007 Axis %1 acceptance test mode is active
Parameter %1 = axis name, spindle number
Explanation An SI acceptance test has been started with the acceptance test wizard at the operator panel. The acceptance
test mode is activated for the NCK and drive for the duration of this acceptance test. In the acceptance test
mode, SI power on alarms can be acknowledged with the reset button.
Response Alarm display, on the NCK side, the alarm criterion of SI-POWER ON alarms is changed over to reset-ac‐
knowledgeable.
Remedy Deselect the acceptance test using the acceptance test Wizard or wait until it has been completed (the
duration of the acceptance test can be parameterized using MD36958 $MA_SAFE_ACCEPT‐
ANCE_TST_TIMEOUT).
Program con‐ The alarm is no longer displayed when the alarm cause has been removed. No other operator actions are
tinuation required.
27008 Axis %1 SW limit switch deactivated
Parameter %1 = axis name, spindle number
Explanation An SI acceptance test safe limit position has been started with the acceptance test Wizard at the operator
interface. For these acceptance tests, the single-channel SW limit switches are deactivated for the axis/spin‐
dle in order to ensure that the safe limit positions can be approached.
Response Alarm display
Deactivating the single-channel software limit switch for the displayed axis/spindle.
Remedy Deselect the acceptance test, e.g. using the acceptance test Wizard or wait for the end of the test. (duration
of the acceptance test can be parameterized using MD36958 $MA_SAFE_ACCEPTANCE_TST_TIMEOUT).
Program con‐ The alarm is no longer displayed when the alarm cause has been removed. No other operator actions are
tinuation required.
27010 Axis %1 tolerance for Safe Operating Stop exceeded
Parameter %1 = axis name, spindle number
Explanation The axis has moved too far away from the reference position. It has moved farther away than permitted in
MD36930 $MA_SAFE_STANDSTILL_TOL. The alarm can be re-configured in the MD11412
$MN_ALARM_REACTION_CHAN_NOREADY (channel not ready).
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Function Manual, 12/2017, 6FC5397-4BP40-6BA1
Safety Integrated