Siemens SINUMERIK 840D sl Function Manual page 453

5.9 Electronic weight compensation (vertical axis)
Requirements
This function is available only for use in conjunction with SIMODRIVE 611 digital drives.
Note
The electronic weight compensation function is not currently available for:
• SINUMERIK 840D sl in conjunction with drive system SINAMICS
• SINUMERIK 840Di in conjunction with drive system SIMODRIVE 611 universal
The parameters required by the electronic weight compensation function cannot be
transferred to the drive via PROFIBUS-DP.
5.9.1 Electronic counterweight function
Axis without electronic weight compensation
In the case of weight-bearing axes without weight compensation, the vertical axes drop when
the brake is released and the system responds as follows:
Figure 5-39
Extended Functions
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Lowering of a vertical axis without "electronic weight compensation"
Electronic weight compensation (vertical axis)
Compensations (K3)
453