Built-In Functions; And; Not - Satec Expertmeter PM180 Reference Manual

2.3 Built-in functions

Functions are a type of Program Organization Unit. They are small
reusable units that form the fundamental building blocks of complex
industrial control programs. The implementation contains several built-
in functions that are supported by PM180 devices. They are listed in the
table below.
Function
abbreviation

AND

OR

NOT

GE_THRESHOLD
LE_THRESHOLD
GE
EQ
LE
TON
TOF
2.3.1 AND
AND function returns result of all inputs using logical conjunction.
Number of inputs is not limited.
AND function is shown in the figure below.
2.3.2 OR
OR function returns result of all inputs using logical disjunction. Number
of inputs is not limited.
OR function is shown in the figure below.
2.3.3 NOT
NOT function returns result of one input using logical inversion.
NOT function is shown in the figure below.
Function name
Logical operations
AND
OR
NOT
Greater or equal with threshold
Less or equal with threshold
Greater or equal
Equal
Less or equal
Time delays
Timer ON
Timer OFF
Figure 1 - AND
Figure 2 - OR
Inputs Outputs
data data type
type
ANY_BIT ANY_BIT
ANY_BIT ANY_BIT
ANY_BIT ANY_BIT
LREAL BOOL
LREAL BOOL
ANY BOOL
ANY BOOL
ANY BOOL
BOOL, BOOL
Time
BOOL, BOOL
Time
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