535
Appendix F
Limits on Numbers of Elements
Limits with Conventional Models
For NT20, NT20S, NT30, NT30C, NT600S, NT620S, NT620C, and NT625C, the
limits on the use of elements are indicated below for each PT model.
Item
Limit
Numeral Display
50 entries/screen
String Display
NT20, NT20S: 32 entries/screen
Other models:
50 entries/screen
Bar Graph
50 entries/screen
Broken-line graph
NT20, NT20S, NT600S: Not supported
Other models:
1 frame/screen, 256 lines/frame
Trend Graph
NT20, NT20S, NT600S: Not supported
Other models:
1 frame/screen, 50 lines/screen data file
Lamp
NT20, NT20S: 128 entries/screen
NT600S:
255 entries/screen
Other models:
256 entries/screen
Touch Switch
NT20, NT20S: 72 entries/screen
NT600S:
128 entries/screen
Other models:
256 entries/screen
Data Input – Numeral
50 entries/screen
(overlapping screens: Registration is possible only on one child
Data Input – String
(overlapping screens: Registration is possible only on one child
screen.)
Alarm List
NT20, NT20S, NT600S: Not supported
Other models:
4 groups/screen
Alarm History
Other models:
4 groups/screen
(max. 32 groups in overlapping screens)
