Mitsubishi Electric MELSEC-Q/L Programming Manual page 25

 Indicates the CPU modules that can use the function.
Icon
Basic model High
QCPU Performance
model QCPU
High
Basic
performance
Ver. Ver.
High
Basic
performance
High
Basic
performance
 Indicates the description format of the function in the structured ladder/FBD/ST language.
 Indicates the names of input and output arguments, and the data type of each argument. For details of each data type,
refer to the following.
 MELSEC-Q/L/F Structured Programming Manual (Fundamentals)
 Indicates the processing performed by the function.
 Indicates whether to exist the related error. When an error exists, conditions that cause an error are described.
 Indicates program examples in the structured ladder/FBD/ST language .
Process CPU Redundant CPU
Process
Redundant
Ver. Ver.
Process
Redundant
Process
Redundant
Universal model LCPU
QCPU
LCPU
Universal
Ver. Ver.
LCPU
Universal
LCPU
Universal
4 HOW TO READ FUNCTIONS
Description
The basic icon
indicates that the
CPU module can
use the
corresponding
function.
The icon with a Ver.
symbol indicates
that the CPU
4
module can use the
corresponding
function under
certain restrictions
(function version
and software
version).
The icon with 
indicates that the
CPU module cannot
use the
corresponding
function.
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