Omron NT21 User Manual

2-12SectionInputting Numeric Values
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2-12 Inputting Numeric Values
2-12-1 Numeric Key Type (Numeral Input)
Numeric key type numeral setting input fields are input fields for inputting numer-
ic values on the screen.
The numeric values input into a numeral setting input field using touch switches
are written to a numeral memory table entry.
The values can be input either in decimal or hexadecimal format.
The input field functions as a numeral display when it is not receiving inputs.
Outline of Operation
The basic operation of a numeric key type numeral setting input field is shown
below.
1, 2, 3... 1. A numeric value is input into a numeral setting input field using touch
switches.
Input
1 2 3
4 5 6
7 8 9
1 2 3 4
PT
Numeric value displayed in
the numeral setting input field
Input the numeric value with the numeric
keys on the screen.
2. On confirming the input numeric value with the ENT key or touch switch it
is written to a numeral memory table entry.
At this time, the occurrence of change in the contents of the numeral
memory table entry is notified to the host via the PT status notify area.
Input
1 2 3
4 5 6
7 8 9
1 2 3 4
NT31/NT31C
PT
Data writing
Numeral memory table entry
Notification
Host
On pressing the key, the input value is written to
the numeral memory table entry and the change is
notified to the host at the same time.
1 2 3 4
Restrictions
• A maximum combined total of 256 of the following elements can be registered
for one screen. (Same for window screens.) Even in the case of an overlapping
screen with eight child screens, it is only possible to register numeral setting
input fields on one of the child screens.
Numeral setting input field (numeric key type),
Character setting input field
• A maximum combined total of 26 of the following elements can be registered
for one screen for the NT21, 64 for the NT31/NT31C, and 256 for the
NT631/NT631C. (Same for window screens.) Even in the case of an overlap-
ping screen with eight child screens, it is only possible to register numeral set-
ting input fields on one of the child screens.
Numeral setting input field (thumbwheel type)
• It is not possible to set input from more than one numeral setting input field (nu-
meric key type or thumbwheel type) on the same screen to one numeral
memory table entry. In cases where values at the host must be input both in
Function Outline

Omron NT21 Specifications

General

Brand	Omron
Model	NT21
Category	Touch terminals
Language	English