Table 4-28 (A Or B) And C; Table 4-29 Results Of Logic Equation Using Iteration - Honeywell VPR100 User Manual

Programming Function Blocks and Features
Order of evaluation
1. Parentheses ()
2. NOT
3. AND
4. OR, XOR
Example equation using operators and inputs
(A+B)*C computes the result of (A OR B) AND C.
Example equation using iteration
The equation A+B*O computes the result of:
(Input A OR Input B from current machine cycle) AND (Input A OR Input B from previous machine cycle).
Table 4-29 shows some possible results of this equation.
[Input A (current)
OR
1
1
0
1
120

Table 4-28 (A OR B) AND C

A B
0 0
0 0
0 1
0 1
1 0
1 0
1 1
1 1

Table 4-29 Results of Logic Equation Using Iteration

Input B (current)]
AND
1
0
0
0
VPR & VRX – User Manual
C Result
0 0
1 0
0 0
1 1
0 0
1 1
0 0
1 1
[Input A (previous)
OR
1
1
1
0
Input B (previous)]
1
0
0
0
= Result
1
1
0
0
12/00