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Free Form Logic
Lets you enter up to 64 characters as a custom logic equation (EQ) containing inputs and logical
operators. The result of this equation is called "Result". Result is then processed according to the
specified condition type and condition time. The final output is CVn OS. See Figure 4-6.
Table 4-27 describes the Free Form Logic prompts. See Table 4-2 for additional prompts.
Prompt
EQ
*
+
^
NEG
A, B, C, D, E, F, G, H
O
1
0
( )
INPUT A - INPUT H
OFF, discrete parameter, 0,
1.
RESET
OFF, discrete parameter, 0,
1
CONDITION TYPE
NONE, DELAY, EXTEND,
PULSE, RT PULSE
CONDITION TIME
OFF or number
Inputs
A
B
C
FREE FORM
D
LOGIC
E
EQUATION
F
G
H
Figure 4-6 Free Form Logic Signal Flow
Table 4-27 Free Form Logic Prompts
Range/Selections
Video Recorder – User Manual
Programming Function Blocks and Features
CONDITION
TYPE
Result
&
CONDITION
TIME
Definition
Symbol for AND operator
Symbol for OR operator
Symbol for XOR operator
Symbol for NOT operator
Symbols for Input A through Input H
Letter O is the symbol for output CVn OS from the previous
logic calculation. Use for iterative calculations.
One = ON
Zero = OFF
Expressions enclosed by parentheses are evaluated first.
Up to 8 input sources.
Resets the output to OFF (0). Use when using the letter O
in equations.
See Table 4-20 on page 111.
Enter number of seconds of condition time. See Table 4-20
on page 111.
CVn OS
119
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