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Direct Representation |
  
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Direct Representation |
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Used to define the memory position of a Global Variable.
Syntax: %<Format><Size>
First Letter:
At (Format) |
Description |
I |
Input: It receives the values from analog and discrete variables, or input network variables. |
Q |
Output: It stores the values to be written in the analog and discrete outputs, or output network variables. |
M |
RAM memory internal marker. |
S |
System status marker |
C |
System command marker |
Second Letter:
At (Format) |
Description |
X |
Bit |
B |
Byte (8 bits) |
W |
Word (16 bits) |
D |
Double Word (32 bits) |
L |
Long Word (64 bits) |