1-2SectionFunctions of the NT21, NT31/NT31C and NT631/NT631C
19
String Inputs
Character strings can be input at the PT by using touch switches, bar code read-
ers, etc. The input character strings can also be stored in a character string
memory table entry and notified to the host.
String inputs can be enabled and disabled from the host when an interlock bit
has been allocated.
NT31
NT21 NT31
NT631
Character string setting input field
Display
Input
Thumbwheel Switches
Numeric values can be input by incrementing or decrementing each digit with
the corresponding touch switch (+, –). The input numeric values can also be
stored in a numeral memory table entry and notified to the host.
Thumbwheel switch inputs can be enabled and disabled from the host when an
interlock bit has been allocated.
Graphs
These are graphics whose display changes in accordance with the numeric val-
ues stored in numeral memory table entries. There are the following four types.
Bar Graphs
Bar graphs display the present value in a numeral memory table entry converted
to a percentage within the range –100% to +100% of a preset value.
60%
Analog Meters
Analogue meters display, using a quarter, half, or full circle shape, the present
value in a numeral memory table entry converted to a percentage within the
range –100% to +100% of the preset value. Users can choose from moving
pointer type and filling area type displays. Users can also add graduation to the
graph.
60%
Broken Line Graphs
Broken line graphs display, in an easy-to-read form, a sequence of numeral
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