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Specifications
APPENDIX A
Display Restrictions
Apart from the restrictions on the maximum number that can be displayed, the following restrictions apply to individ-
ual elements.
S
Restrictions on data reading
With NT31/NT31C, the maximum quantity of data that can be read simultaneously is fixed, and elements that
exceed this data quantity limit are not displayed on the screen. Note that even if the same data is read from differ-
ent elements, each instance is counted separately.
The table below shows the maximum data quantities for each type of read data.
Item
Maximum data quantity
Host bit
1024
Numeral memory tables
1024
Character string memory tables
1024
Bit memory tables
1024
Memory table indirect references
100
Background memory tables
128
The data quantity restrictions for each type of element read are indicated in the table below. Ensure that the totals
for a displayed screen are within the range restrictions indicated above.
Element
Restriction on Read Data
Fixed displays (text, graphics)
None
Image data
None
Library data
None
Marks
None
Touch switches
Zero to two host bit (number of host bits set with touch switch property)
Lamps
One host bit
Numeral inputs
One numeral memory table
Character string inputs
One character string memory tables
Thumbwheel switches
One numeral memory table
Numeral displays
Direct specification
One numeral memory table
Indirect specification
One numeral memory table
One memory table indirect reference
Character string displays
Direct specification
One character string memory table
Indirect specification
One character string memory table
One memory table indirect reference
Bar graphs
One numeral memory table
When numeral memory tables are designated for each of the “
−
100%”, “0%”, and
“100%” settings for each graph line, one numeral memory table is read for each of these
settings.
Analogue meter
One numeral memory table
When numeral memory tables are designated for each of the “
−
100%”,“0%”, and
“100%” settings for each graph line, one numeral memory table is read for each of these
settings.
Broken line graphs
Number of numeral memory tables determined by “number of graph lines”
“number of
vertices”
When numeral memory tables are designated for each of the “
−
100%”, “0%”, and
“100%” settings for each graph line, one numeral memory table is read for each of these
settings.
Содержание NT31 Series
Страница 1: ...Cat No V043 E1 2 Programmable Terminal NT31 31C OPERATION MANUAL...
Страница 2: ...iii NT31 31C Programmable Terminal Operation Manual Produced March 1999...
Страница 41: ...30 Before Operating Section 1 5...
Страница 75: ...64 Using a Memory Unit NT31 NT31C without V1 Section 3 6...
Страница 160: ...149...
Страница 174: ...163...
Страница 193: ...182...
Страница 211: ...200...
Страница 235: ...224 c Return to the screen on which screens are specified...
Страница 262: ...251...
Страница 284: ...273 The printer type control protocol and printing method are set with the memory switches of the NT31 NT31C...
Страница 347: ...336 Screen number 5 is set for touch switch 1 To next screen When touch switch 1 is pressed Screen number 5...
Страница 360: ...349 It is not possible to control a gloval window by touch switch operation...
Страница 375: ...364 For details on the method of display depending on the General settings refer to Common Attributes page 358...
Страница 391: ...380 1 The 100 value 0 value and 100 value must comply with the following relationship 100 value 0 value 100 value...
Страница 468: ...457 254 255 0 2 7 1 4 5 3 3 0 0 0 5 9 8 0 3...
Страница 476: ...465 Special Functions Section 7 16...
Страница 495: ...484 OFF...
Страница 610: ...599 Commands Responses Section 9 3...
Страница 630: ...619 Examples of Actual Applications of Memory Link Section 10 2...