Siemens SINUMERIK 840D sl Commissioning Manual page 24

Configuring
4.2 Configuration of a SIZER project
24 V supply
For the layout of the 24 V supply (SITOP), the sum of the rated braking currents of the 6 robot
axes is entered under "Current needed for additional electronic components".
Figure 4-3 Layout of 24 V supply
As an alternative to the "SITOP modular", the "SITOP PSU8600 40A" and the associated "BUF8600
4s" buffer module are configured under "Additional components". This means the 24 V are
buffered in the event of a power failure. The SINAMICS drives can brake the robot axes from
maximum speed at the current limit until they come to a standstill. The drives do not coast down.
For motors with single-turn absolute encoders, this ensures that the axis adjustment remains
valid for the associated axes.
Operator components
The HT8, including connection box, is selected as the operator component. Expand these if
necessary.
Software options
The minimum requirements for the operation of the robot are listed in section Requirements for
commissioning (Page 19). Depending on your specific application, additional software options
may be necessary.
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SINUMERIK Run MyRobot /Direct Control
Commissioning Manual, 07/2020, A5E45238414B AD