Signal Sensor Column/meaning Description
Overtemperature protec‐
tion
PTC Actual When the overtemperature protec‐
tion responds, "Active" is displayed
(in red). The value 250° C is dis‐
played in the "Actual" column as mo‐
tor temperature.
Limit Stored threshold for motor overtem‐
perature as of which a fault is issued
due to PTC winding motor overtem‐
perature.
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.
Additional temperature
(Page 153)
(e.g. bearing temperature
front)
S6 (KTY) Actual Current temperature at the measur‐
ing point.
Additional temperature
Alarm
Limit Stored temperature threshold as of
which an alarm is issued, e.g. due to
bearing 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.
Additional temperature
Fault
Limit Stored temperature threshold as of
which a fault is issued, e.g. due to
bearing 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)
152 Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
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