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3. Select the required expansion module in the Hardware catalog. In the "Information" area
you can see information about the expansion module, and when necessary you can
change the preselected (default) version.
4. Drag the expansion module and drop it into the Device view.
Alternatively, the expansion module can also be added by double-clicking on the entry in
the Hardware catalog.
5. Drag and drop the expansion module to the required slot to the right of the SITOP
PSU8600.
The expansion module is inserted into the selected slot.
6. Save the hardware configuration.
You have assigned an expansion module to the basic unit. How you parameterize the
expansion module is described under Parameterizing output 1 (Page 141).
Assigning a buffer module SITOP BUF8600
A buffer module permits buffering when the power fails. A SITOP PSU8600 basic unit can be
equipped with a maximum of two SITOP BUF8600 buffer modules.
Buffer module versions
BUF8600 buffer modules with electrolytic capacitors:
● Buffer time of 100 ms at 40 A, Article number 6EP4297-8HB00-0XY0
● Buffer time of 300 ms at 40 A, Article number 6EP4297-8HB10-0XY0
BUF8600 buffer modules with double-layer capacitors:
● Buffer time of 4 s at 40 A, Article number 6EP4293-8HB00-0XY0
● Buffer time of 10 s at 40 A, Article number 6EP4295-8HB00-0XY0
Power supply system PSU8600
Manual, 05.2017, A5E36758446-3-76
Engineering and remote access
7.4 SIMATIC STEP 7 in the TIA Portal
129
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