Siemens MICROMASTER 440 Operating Instructions Manual page 132

3 Functions
Example 2:
Enabling the FFB:
Enabling individual FFB including assigning a priority:
P2801[3] = 2
P2801[4] = 2
P2802[3] = 3
P2801[0] = 1
The FFB are calculated in the following sequence:
Timer 4, OR 1, OR 2, AND 1
The function blocks are interconnected using BICO technology (refer to Section
3.1.2.3). 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 / quantities have the
appropriate attribute (BO, BI, CO and CI).
132
P2800 = 1
OR 1
OR 2
Timer 4
AND 1
MICROMASTER 440
Issue 10/03
Operating Instructions
6SE6400-5AW00-0BP0