SIEMENS
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Siemens CR 1 · 2015
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Function
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SIMOCRANE Advanced Technology
SIMOCRANE Sway Control
Additional functions in the grab crane application area
Position control with on-the-fly unloading
In the grab crane application (GSU) on-the-fly unloading utilizes
the swinging of a grab when unloading bulk goods in order to re-
duce turnover time. The trolley is stopped before the target po-
sition while the grab swings to the target (e.g. funnel). The speed
characteristic is calculated so that the grab is above the target
position exactly when the trolley stops. The swinging movement
is then at its turning point. If the trolley stops now, the grab
swings back in the opposite direction.
Grab crane (GSU)
Additional functions for application OHBC, Gantry crane
This application includes overhead bridge cranes (OHBC) and
gantry cranes, as well as RTGs and RMGs with two axes in the
plane (trolley, gantry) and an additional axis (either slewing gear
or hoisting gear).
Either manual mode (MAN: a speed setpoint is set on the master
switch), or positioning mode (POS: a target position is set), can
be selected. The operating mode of each axis can be switched
over, e.g. from manual mode to positioning mode and vice versa,
while the axis is moving.
Each axis moves independently from the other axes.
Note:
Various licenses which cover combinations of the
operating modes described above are available for the
sway control systems (see Selection and ordering data).
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