Activating/Deactivating The "Sway Control" Function; Calculation Of The Pendulum Deflection - Siemens SIMOTION D4x5-2 DP/PN Operating Instructions Manual

Sway Control function description

6.4 Activating/deactivating the "sway control" function

POS and SAM modes
The TRAVEL control bit is generated by means of a foot-operated switch, for example.
However, in this case, a target position is entered. The set velocity (rV_Set_TR) is not used in
this mode. Positioning velocity is used.
SNL and SND modes
Same procedure applies as in POS mode. The target position is determined internally and
depends on the selected mode: sway neutralization drive position or load position (actual
position + actual pendulum deflection).
Note
The POS_COMPLETED status bit from the sway control system also includes the status
"SC_COMPLETED" (AND logic operation).
6.4 Activating/deactivating the "sway control" function
6.4.1

Calculation of the pendulum deflection

The pendulum deflection needs to be acquired when the sway control system is active.
The pendulum deflection is the current distance of the reflector from its home position in the
direction of the trolley.
Depending on whether or not a camera measuring system can supply a useful signal, the
pendulum deflection is calculated and sent to the output values LOAD_DEFL_TR (pendulum
deflection, camera) and MOD_DEFL_TR (pendulum deflection, model).
The figure below illustrates the method for calculating the pendulum deflection:
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SC integrated STS, GSU
Operating Instructions, 07/2019, A5E48271265B AA