Function blocks
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MN05013005E
169
The comparison result of the function block BC01 is:
BC01EQ = 0, the data block ranges do not have the same
content.
MB18 and MB68 are not identical.
Example:
Comparison of marker blocks, definition of a marker range in
a different format.
Two marker blocks are to be compared. Block 1 starts at
MB60, Block 2 at MD80. Each block is 6 bytes long.
Parameters of BC01 function block:
Comparison range 1:
>I1 MB60
Comparison range 2:
>I2 MD80
Number of bytes:
>NO 6
Comparison
range 1
Value of marker
range 1
(decimal)
Comparison
range 2
Value of marker
range 2
(decimal)
MB15
45
MB65
45
MB16
62
MB66
62
MB17
102
MB67
102
MB18
65
MB68
57
J
The comparison is in byte format. MD80 has 4 bytes.
Therefore the first two bytes of MD81 are also compared.