Mitsubishi MELSEC F FX-40DU-E Handy Manual page 36

4.
USER SCREEN MODE
Guide to Screen Objects
Storage in word devices
ASCll codes are stored in programmable controller word devices (T, C, D). The data stored in
the lower
8
bits is displayed first, as shown below.
Example 1. Displaying two one-byte characters (ASCII codes)
...
D O 1-word designation
The required ASCll codes (taken from the
[ I
ASCll code table in the appendix) are:
How the data is stored:
Upper bits Lower bits
DO(H)
(
4
(
2
(
4
(
1
I -
The first data displayed is that of the lower bits.
8 A
Example 2. Displaying a user-defined character ... DO I-word designation
The required ASCII code (takenfrom the
ASCll code table in the appendix) is:
=
HF053
The order of storage
How the data is stored:
dlgits and lower iwo
Upper bits Lower bits
5
1
3
1
F
1
0
0
Example 3. Display of one two-byte character and two one-byte characters
...
DO 2-word
designation
1 The required ASCll codes (taken from the
ASCll code table in the appendix) are:
C
=
H43 (one-byte character; 8 bits)
=
HF053 (two-byte character; 16 bits)
D
=
H44 (one-byte character; 8 bits)
How the data is stored:
Order of display of data
Upper bits Lower bits
The upper two digits and lower two digits
of the two-byte ASCll code are stored in
reverse
order.
Note: I f the ASCll code H O (two-byte or one-byte) is designated the character that follows
it will not be displayed on the screen.
T O enter a space i n a character string, designate H8140 for a two-byte space, or HZ0
for a one-byte space, for storage in a word device.