Siemens SINUMERIK 840D sl Commissioning Manual page 328

Service and diagnostics
18.2 Displaying the Service overview
Depending on "n", the following "values" are displayed:
n
20
21
23
Position actual value measuring system 1/2
The actual position of the axis as measured via measuring system 1/2. The position is
displayed in the machine coordinate system (no zero offsets or tool offsets included).
Unit: mm, inches or degrees
Heat sink temperature
The display of whether the heat sink temperature is OK corresponds to the interface signal:
DB31, ... DBX94.1 "Heat sink temperature prewarning".
Status
1
0
Motor temperature
The display of whether the motor temperature is OK corresponds to the interface signal:
DB31, ... DBX94.0 "Motor temperature prewarning".
Status
1
0
322
Display
Speed control (without encoder)
Speed control (with encoder)
Torque control (with encoder)
Meaning
The drive signals a "Heat sink temperature prewarning" to the PLC.
The drive module heat sink temperature pre-warning has not responded.
Meaning
The motor temperature has exceeded the warning threshold configured in
the drive.
The motor temperature is below the warning threshold.
Commissioning Manual, 03/2013, 6FC5397-1DP40-3BA1
Display
Overtemper
ature
OK
Display
Overtemper
ature
OK
SINUMERIK Operate (IM9)