Siemens SINAMICS G120 Operating Instructions Manual page 269

Example 2
Enabling the FFBs:
Enabling individual FFB including assigning a priority:
P2801[3] = 2
P2801[4] = 2
P2802[3] = 3
P2801[0] = 1
The FFBs are calculated in the following sequence:
The function blocks are interconnected using BICO technology. In so doing, the function
blocks can be connected with one another as well as to other signals and quantities as long
as these signals or quantities have the appropriate attribute (BO, BI, CO and CI).
Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
8.14 Free function blocks
P2800 = 1
OR 1
OR 2
Timer 4
AND 1
Timer 4 → OR 1 → OR 2 → AND 1
Functions
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