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117
Standard Mode
Section 4-6
The variable type BCD-Number has a special feature.
The Editor for BCD-numbers is also referred to as the ‘Decade Switch’.
With scaled variables, the value in the PLC changes by +1/-1, although the input
value which is actually displayed also depends on the defined scaling factor! This
means that special care must be taken whenever scaling is required. The Editor is
also suitable for making fine adjustments or as a decade switch with decimal carry-
over.
Possible Data Types:
-
Positive integers (no entry of signs)
-
Integers
-
Positive fixed point numbers (no entry of signs)
-
Fixed point numbers
Key Functions in the BCD-Number Editor
Keys: 1 to 9
1.)
Standard
Direct input of numerical values
2.)
Mix-Mode
Direct input of numerical values
3.)
Incremental
No Function
Key: Plus
1.)
Standard
No Function
2.)
Mix-Mode and Incremental
Increases the value at the cursor position and influ-
ences the more significant digits when the range is
exceeded
(with a dynamic repeat function)
Key: Minus
1.)
Standard
No Function
2.)
Mix-Mode and Incremental
Reduces the value at the cursor position and influ-
ences the more significant digits when this value
falls below the range (with a dynamic repeat func-
tion)
Key: Cursor left
Moves the cursor within the editable variable to the
left by one position until it reaches the end of the field.
Key: Cursor right
Moves the cursor within the editable variable to the
right by one position until it reaches the end of the
field.
4.6.4.2
Floating Point Number Editor
The Floating-Point Number Editor supports Lword variables stored in IEEE format.
This variable type is not supported by every controller type. In this case, an alterna-
tive would be to resort to fixed point numbers in Lword format. Scaling factors are
also suitable for displaying precise fractional numbers.
The functions of the control and editing keys are identical to those of the Decimal
Number Editor.
Содержание NT15S
Страница 1: ...Cat No V056 E1 1 Programmable Terminal NT4S NT15S NT18S OPERATION MANUAL ...
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Страница 3: ...iii NT4S NT15S NT18S Programmable Terminal Operation Manual Produced March 1999 ...
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Страница 37: ...23 The Terminals of the NT Series Section 1 4 1 4 1 3 NT4S SF123B E 1 4 1 4 NT15S SF121B E ...
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Страница 232: ...Authorized Distributor Cat No V056 E1 1 Note Specifications subject to change without notice Printed in the Netherlands ...