10.3.2 Temperatures
Which temperatures are evaluated and displayed depends on the number and the mounting
location (e.g. for sensor S6, bearing temperature front) of the sensors installed in the spindle.
The motor temperature is not displayed when the temperature sensor sensor type parameter
p0601 = 0 or 1.
Note
Temperature limits
The limit values displayed here refer to the spindle monitoring and have no effect on the drive
parameter values set in the drive that apply for the shutdown response of the spindle. The
temperature limit values are preset in the SMI24 and cannot be changed in this window. If
necessary, you must adapt the shutdown limit values for the drive.
Up to three temperatures can be evaluated:
Signal Sensor Column/meaning Description
Motor temperature
(Page 153)
KTY Actual Current motor temperature. If an
overtemperature protection is
present and responds, the value 250°
C is displayed.
Motor temperature
Alarm
Limit Stored threshold for motor overtem‐
perature as of which an alarm is is‐
sued due to KTY motor overtemper‐
ature.
Duration of the upper
limit violation
Displays the accumulated hours dur‐
ing which an upper limit violation was
present.
Last upper limit viola‐
tion
Displays the time stamp [date] and
[time] at which the last upper limit vi‐
olation was present.
Number of
upper limit violations
Accumulated number of upper limit
violations.
Motor temperature
Fault
Limit Stored threshold for motor overtem‐
perature as of which a fault is issued
due to KTY motor overtemperature.
Duration of the upper
limit violation
Displays the accumulated hours dur‐
ing which an upper limit violation was
present.
Last upper limit viola‐
tion
Displays the time stamp [date] and
[time] at which the last upper limit vi‐
olation was present.
Number of
upper limit violations
Accumulated number of upper limit
violations.
Spindle functions
10.3 Spindle diagnostics
SINUMERIK Operate (IM9)
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1 151
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