Siemens SINUMERIK 840DE sl Commissioning Manual page 166

Spindle functions
10.3 Spindle diagnostics
Signal
Overtemperature protec‐
tion
Additional temperature
(Page 153)
(e.g. bearing temperature
front)
Additional temperature
Alarm
Additional temperature
Fault
152
Sensor Column/meaning
PTC Actual
Limit
Last upper limit viola‐
tion
Number of
upper limit violations
S6 (KTY) Actual
Limit
Duration of the upper
limit violation
Last upper limit viola‐
tion
Number of
upper limit violations
Limit
Duration of the upper
limit violation
Last upper limit viola‐
tion
Number of
upper limit violations
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
Description
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.
Stored threshold for motor overtem‐
perature as of which a fault is issued
due to PTC winding motor overtem‐
perature.
Displays the time stamp [date] and
[time] at which the last upper limit vi‐
olation was present.
Accumulated number of upper limit
violations.
Current temperature at the measur‐
ing point.
Stored temperature threshold as of
which an alarm is issued, e.g. due to
bearing overtemperature.
Displays the accumulated hours dur‐
ing which an upper limit violation was
present.
Displays the time stamp [date] and
[time] at which the last upper limit vi‐
olation was present.
Accumulated number of upper limit
violations.
Stored temperature threshold as of
which a fault is issued, e.g. due to
bearing overtemperature.
Displays the accumulated hours dur‐
ing which an upper limit violation was
present.
Displays the time stamp [date] and
[time] at which the last upper limit vi‐
olation was present.
Accumulated number of upper limit
violations.
SINUMERIK Operate (IM9)