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4-9
Switching Operation Screens
4
Explanation
About group display and all channel display
The group display of trend, digital, and bar graph and the all channel display of the trend
are displayed in the following fashion (see table below). They depend on whether
channels are assigned to the groups and whether the channels are set to display the
trend and set to store the data.
Assigned to
Trend Display/Data
Numerical Display*
1
Trend’s Waveform Display
Data Acquisition to the
Groups
Storage Specification
Bar Graph
Group
All Channels
Internal Memory
Yes
Yes
Display
Display
Display
Yes
Yes
No
Display
Don’t display Don’t display
No
No
Yes
Don’t display
Don’t display Display
Yes
No
No
Don’t display
Don’t display Don’t display
No
*1 Numerical display refers to the numerical display of trend, digital, and bar graph displays.
•
The numerical display of trend, digital, and bar graph displays and the bar graph
display are updated at all times when they are displayed. It is not affected by
whether or not the waveform of the trend display is shown.
•
The waveform of the trend display is updated at the display update rate. For the
procedure related to setting the display update rate, see section 7.3, “Setting the
Display Update Rate (Trend).”
•
For the procedure related to setting the channel to display the trend and to store the
data, see section 8.10.
•
For the procedure used to assign channels to groups, see section 7.6.
Alarm indication
Alarms are checked at all times and displayed on the relevant displays regardless of
whether or not the waveform of the trend display is shown.
Alarms are displayed using alarm type symbols. For details related to the alarms, see
section 6.2.
Name
Symbol
Upper limit alarm
H
Lower limit alarm
L
Difference upper limit alarm
h
Difference lower limit alarm
l
Upper limit on rate-of-change alarm
R
Lower limit on rate-of-change alarm
r
Delay upper limit alarm
T
Delay lower limit alarm
t
The display direction of the trend and the bar graph
For the setting procedure of the display direction of the trend and the bar graph, see
section 7.13.
4.3 Using the Trend, Digital, and Bar Graph Screens
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