Automating Manufacturing Systems - Process Control and ...

plc basic functions - 15.22
after
addr.
n[0]
n[1]
n[2]
n[3]
n[4]
n[5]
data (binary)
0011010111011011
1010010011101010
0010010011001010
1011010111111011
1001000100110001
1100101000100100
AND
source A n[0]
source B n[1]
dest. n[2]
OR
source A n[0]
source B n[1]
dest. n[3]
XOR
source A n[0]
source B n[1]
dest. n[4]
NOT
source A n[0]
dest. n[5]
Figure 15.23
Boolean Function Example
15.4 DESIGN CASES
15.4.1 Simple Calculation
Problem: A switch will increment a counter on when engaged. This counter can be
reset by a second switch. The value in the counter should be multiplied by 2, and then displayed
as a BCD output using (O:0.0/0 - O:0.0/7)
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