410
Alarm List, Alarm History
Section 7-11
S
The contents of the character string memory tables displayed as messages for
alarm lists and alarm histories are read at the following times.
- When an entire alarm list or alarm history is displayed by screen switching
- When a bit being monitored by the alarm list function changes status from OFF
to ON, and the corresponding message is displayed.
Messages already displayed are unaffected even if the contents of character
string memory tables change.
S
The message display areas for alarm lists/histories are touch switches. Do not
overlap them with other touch switches.
[Common Attributes]
The relationship between the common properties of alarm lists and alarm histories
and the display result are indicated below.
S
Properties
General
Position
Coordinates of the top left corner of the alarm list/history.
Size
Width and height of the alarm list/history (in dot units)
(But note that motion is in touch-switch-sized units only)
Message
Length
Maximum number of characters in the displayed message
Range: 1 to 39
For the alarm history function, the number of characters is
decreased by the number required to display the “History
Info”.
Restrictions also apply in accordance with the “Scale”
setting.
Display Line Qty Maximum number of displayed messages
Range: 1 to 12
Scale
Scale at which messages are displayed (“Enlarged display”,
page 369)
1
×
1 (Equal), 1
×
2 (High), 2
×
1 (Wide), 2
×
2, 3
×
3, 4
×
4,
8
×
8
Smoothing
Whether or not smoothing is used for characters with a
scale of 2
×
2 or larger (“Smoothing”, page 369)
Check mark (smoothing executed)/
No check mark (smoothing not executed)
Line Scroll Touch
Switches
Presence/absence of touch switches for scrolling messages
in line units
Check mark (touch switches present)/
No check mark (touch switches absent)
Page Scroll Touch
Switches
Presence/absence of touch switches for scrolling messages
in page units
Check mark (touch switches present)/
No check mark (touch switches absent)
Summary of Contents for NT31 Series
Page 1: ...Cat No V043 E1 2 Programmable Terminal NT31 31C OPERATION MANUAL...
Page 2: ...iii NT31 31C Programmable Terminal Operation Manual Produced March 1999...
Page 41: ...30 Before Operating Section 1 5...
Page 75: ...64 Using a Memory Unit NT31 NT31C without V1 Section 3 6...
Page 160: ...149...
Page 174: ...163...
Page 193: ...182...
Page 211: ...200...
Page 235: ...224 c Return to the screen on which screens are specified...
Page 262: ...251...
Page 360: ...349 It is not possible to control a gloval window by touch switch operation...
Page 468: ...457 254 255 0 2 7 1 4 5 3 3 0 0 0 5 9 8 0 3...
Page 476: ...465 Special Functions Section 7 16...
Page 495: ...484 OFF...
Page 610: ...599 Commands Responses Section 9 3...
Page 630: ...619 Examples of Actual Applications of Memory Link Section 10 2...