Chapter 6 FBD Block Diagram Programming
148
Pulse Logic Diagram
FBD:
LADDER:
=
Note: The input terminal is NOP which is equivalent to ‘‘Lo”;
The B output change status when input terminal OFF
→
ON;
BOOLEAN Logic Diagram
FBD:
LADDER:
NO
=
Note: The input terminal is NOP which is equivalent to ‘‘Lo”;
Description:
The relationship between input and real table is shown below.
Input1 Input2 Input3 Input4 Output
(edit)
Example Real table
0 0 0 0 0/1
0
1 0 0 0 0/1
0
0 1 0 0 0/1
0
1 1 0 0 0/1
1
8
0 0 1 0 0/1
0
1 0 1 0 0/1
1
0 1 1 0 0/1
0
1 1 1 0 0/1
1
A
0 0 0 1 0/1
1
1 0 0 1 0/1
0
0 1 0 1 0/1
1
1 1 0 1 0/1
0
5
0 0 1 1 0/1
1
1 0 1 1 0/1
0
0 1 1 1 0/1
0
1 1 1 1 0/1
0
1
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