2-12
Section
Inputting Numeric Values
191
For details on the method of display according to the General settings, refer to
Common Attributes (page 184).
Input Functions
•
Numeric values are input into numeral setting input fields by using the control
code input key touch switches.
•
When a numeral input field using the interlock function is being displayed on
the screen, the PT continuously reads the status of the corresponding interlock
bit allocated in the PC.
Numeral setting input fields only write input numeric values to numeral memory
tables; they have no function for directly outputting data to external destinations
(if the numeral memory table to which the numeric value is written is allocated to
the host, the data can be output to the host indirectly).
However, the input of a numeric value is notified to the host via the PT status
notify area.
With numeral setting input fields, input numeric values are converted to signed
binary data in accordance with the Settings property.
For details on the method of conversion depending on the Settings property, re-
fer to
Common Attributes (page 184).
Relationship with Other Elements
•
Numeral displays (page 130) use the same conversion method and display
method as numeral setting input fields.
•
For details on how numeric values are stored in numeral memory tables, refer
to
2-3-1 Numeral Memory Tables (page 64).
•
Input and confirmation touch switches are required in order to use numeral set-
ting input fields. In cases where there are multiple numeral setting input fields,
it is also possible to select and move between input fields using touch switches
(page 318).
•
Numeral setting input fields overlap with other elements in accordance with the
order in which they were registered for the screen with the Support Tool. How-
ever, the way in which they overlap can be changed with the Support Tool.
2-12-2 Thumbwheel Type (Thumbwheel)
Thumbwheel type numeric input fields are input fields for inputting numeric val-
ues on the screen.
Touch switches are provided to increment or decrement each digit of a numeric
value, making it easy to change numeric values and to write them to numeral
memory tables.
The values can be input either in decimal or hexadecimal format.
The thumbwheel switch functions as a numeral display when it is not receiving
inputs.
Outline of Operation
The basic operation of a thumbwheel type numeral setting input field is shown
below.
1, 2, 3...
1. The value in the numeral setting input field is changed using the increment-
ing and decrementing (+, –) touch switches.
PT
Press the [–] key to decrement the digit.
Press the [+] key to increment the digit.
– – – –
1 2 3 4
+ + + +
Output Functions
Processing Functions
Function Outline
electronic components distributor
Summary of Contents for NT21 Series
Page 3: ...iv Downloaded from Elcodis com electronic components distributor...
Page 5: ...vi Downloaded from Elcodis com electronic components distributor...
Page 463: ...Downloaded from Elcodis com electronic components distributor...
Page 465: ...Downloaded from Elcodis com electronic components distributor...