Siemens SINUMERIK 840Di Function Manual page 293

Speed actual value
The actual value displayed represents the unfiltered actual speed value.
Unit: rpm
Display corresponds to machine datum:
MD1707 $MD_ACTUAL_SPEED (actual speed value).
Smoothed actual current value
Display of the smoothed actual current value. The torquegenerating actual current value is
smoothed by a PT1 element with parameterizable time constant.
Unit: %
100 % corresponds to the maximum current of the power section.
Display corresponds to machine datum:
MD1708 $MD_ACTUAL_CURRENT (smoothed actual current value).
Motor temperature
Display of motor temperature measured via temperature sensors.
Unit: Degrees Celsius
Display corresponds to machine datum:
MD1702 $MD_MOTOR_TEMPERATURE (motor temperature).
Speed setpoint filter 1
Status display of speed setpoint smoothing function.
State 0:
State 1:
Display corresponds to IS "Speed setpoint smoothing active"
(DB31, ... DBX92.3)
and is shown in an updated form as of software version 6.3 and later.
References: /FB1/, A2, "Various Interface Signals"
2. Torque Limit
Display of active torque limit
State 0: Torque limit 1 is active.
State 1: Torque limit 2 is active.
Display corresponds to IS "Torque limit 2 active"
(DB31, ... DBX92.2).
References: /FB1/, A2, "Various Interface Signals"
Diagnostic Tools (D1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
No speed setpoint smoothing is active.
Smoothing of the speed setpoint as requested by the PLC using IS "Speed setpoint
smoothing"
(DB31, ... DBX20.3) takes effect because speed setpoint filter 1 is configured as the
low pass.
2.4 Drive service display (for digital drives only)
Detailed Description
2-19