ABB CL Series

Display system operation
127
1SVC 440 795 M1100
Marker double words always contain all data formats.
When several write accesses to MD, MW, MB or M
(within an MD) are made, it is the last write operation that
is retained. This also applies if you are writing markers from
a visualization screen.
8 bit MB96 MB95 MB94 MB93
32 bit MD25
16 bit MW50 MW49
32 bit MD26
16 bit MW52 MW51
…
…
32 bit MD48
16 bit MW96 MW95
32 bit MD49
32 bit MD50
…
32 bit MD95
32 bit MD96
h
You should only write the markers once.
Applies
to MD,
MW, MB,
M
Left = Most
significant bit,
byte, word
Right = Least
significant bit,
byte, word