Flow characteristic
6SHHGLQ
3RZHULQ
6SHHGSRZHU
SS
SS
SS
SS
SS
To set the characteristic, you require the following data from the machine manufacturer for
each speed interpolation point:
• The ow rate of the uid-ow machine associated with the 5 selected converter speeds
• At constant speed, the power drawn which is associated with the 5 ow rates corresponds to
the line frequency and mechanical throttling of the ow rate.
Parameters
Parameter Description Setting
r0039[0...2] CO: Energy display [kWh] [0] Energy consumption since the last reset.
[1] Energy drawn since the last reset.
[2] Energy fed back since the last reset.
r0039 serves as reference signal of r0042.
p0040 Reset energy consumption display Setting p0040 = 1 to reset the display in r0039 and
r0041.
Factory setting: 0
r0041 Energy saved [kWh] Displays the saved energy referred to 100 operat‐
ing hours. For an operating time of below 100
hours, the display is interpolated up to 100 hours.
r0042[0...2] CO: Process energy display [Wh] [0] Energy consumption since the last reset.
[1] Energy drawn since the last reset.
[2] Energy fed back since the last reset.
For display as process variable. Enable with p0043.
p0043 BI: Energy consumption display en‐
abled
Sets the signal source (BI: p0043 = 1 signal) to en‐
able/reset the process energy display in r0042.
Factory setting: 0
p3320[0…n] Fluid ow machine power, point 1
[%]
Species the power (P) of point 1 as a [%].
Factory setting: 25
p3321[0…n] Fluid ow machine speed, point 1
[%]
Species the speed (n) of point 1 as a [%].
Factory setting: 0
p3322[0…n] Fluid ow machine power, point 2
[%]
Species the power (P) of point 2 as a [%].
Factory setting: 50
Advanced commissioning
7.29Calculating the energy saving for uid ow machines
SINAMICS G115D Wall Mounted distributed drive
Operating Instructions, 07/2023, FW V4.7 SP14, A5E52808211A AA 339
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