Tracking Usage Values; Comparing Usage Values - Siemens SINUMERIK 840D sl Operating Manual

Ctrl-Energy
20.2 Ctrl-E analysis
20.2.5

Tracking usage values

You have the option of displaying the actual and saved usage values in a detailed table.
Display
Start of the measurement
Duration of the measure‐
ment [s]
Device
Supplied energy [kWh]
Regenerated energy
[kWh]
Energy totals [kWh]
Display in the "Ctrl-E analysis" window: Table"
Precondition
Procedure
20.2.6

Comparing usage values

You have the option of comparing usage values (power drawn and power fed back) of actual
and saved measurements.
798
Meaning
Shows the time at which the measurement was started by pressing the
"Start measurement" softkey.
Shows the measurement duration in seconds until the "Stop measurement"
softkey is pressed.
Displays the selected measured component.
● Manual (fixed value, z.B. base load, defined in the PLC)
● Sentron PAC
● Sum of the units (if defined in the PLC)
● Sum of the axes
● Total, machine
Displays the energy drawn by the selected measured component in kilo‐
watts per hour.
Shows the regenerated energy of the selected measured component in
kilowatts per hour.
Shows the total of all measured drive values or the total of all axes as well
as fixed value and Sentron PAC.
1. You have pressed the "Ctrl-E analyse" softkey and the "Ctrl-E analyse"
window has been opened.
2. You have already saved measurements.
Press the "Graphic" and "details" softkeys.
In the "Ctrl-E analysis" window: Details", measurement data and usage
values of the last three saved measurements – and possibly an actual
measurement – are displayed in a table.
Operating Manual, 05/2017, A5E40868956
Milling