3-14
Driving the Display
PX 30 and PX 120 Operating Manual
Example: Calling up the message with text number 333
PX 120 23 16
0
1
7
0
PX 30 15 8
0
0
Calling up text, 1st part
0
1
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0
1
0
0
0
0
0
0
0
7
0
1
0
0
0
0
1
1
1
1
Calling up Text, 2nd part
0
Start
End
0
Variable Mode
Binary-Coded Transmission
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2nd to 5th cycle
e
1
0
0
7
w
w
w
w
w
0
w
w
w
Variable Nos.
0 ... 7
Value of Variables
PX 120 23 22 21 20 19 18 16
1
7 6 5 2 1 0
PX 30 15 14 13 12 11 10 8
0
0
1st cycle
0
?
_
0
n
n
1
n
0
0
0
? = 1
Inserts "?"; flashes alternately with the lowest value digit of the
variable value
? = 0
"?" not inserted
_ = 1
Inserts "_"; flashes alternately with the lowest value digit of the
variable value
_ = 0
"_" not inserted
If ? = 1 and _ = 1, "?" will be inserted.
"?" or "_" can still be flashed at the point of the lowest value digit even when the variable
value is not transmitted (only in the 1st cycle, when E18 and E19 = 1)
e = 1 in the third cycle: signed 16-bit integer
e = 1 in the fifth cycle: signed 32-bit integer
The last cycle is indicated when e = 1.
Transmission occurs from the highest value to the lowest value 8-bit digit of the figure.
15
14
13
12
11
10
8
23
22
21
20
19
18
16
7
15
14
13
12
11
10
8
23
22
21
20
19
18
16
7
6
5
2
1
0
15/23
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