Video Recorder User Manual

Online Operations Using Primary Displays
Video Recorder – User Manual 219
Table 6-6 Messages and Symbols at Bottom of Display (continued)
Message/Symbol Color Description
GENERAL ERROR Yellow This message will appear if the instrument encounters any error not
mentioned above.
S
Yellow Located in bottom right of display. Indicates storage is active data is
being collected on disk or in the instrument’s internal buffer.
Z
White Located in bottom right of display. The display’s upper and lower
limits are zoomed on a smaller range. Disappears when Zoom is
turned off.
H
White Located in bottom right of display. Indicates the display is held on a
single data point and is not rotating through all data points.
Disappears when Point Hold is removed.
Table 6-7 Messages and Symbols Elsewhere on Display
Message/Symbol Color
Description
REVIEW or REPLAY White
Trend Replay/Review. Adjacent to detailed point information
(scoreboard) on the screen. Indicates that the trend on the display
is from historical data and does not represent the current state of
the process. REVIEW means that the data for the trend are from
current memory (RAM). REPLAY means that the data are retrieved
from floppy disk (data storage).
*
White
Analog Input Value Adjust. Located to the right of the data point
value. This message appears only on the AI Value Adjust display.
It indicates that a bias has been manually applied to the value of the
particular data point. The symbol will disappear when the value is
set to OFF.
Red
Low Alarm Setpoint. Located above vertical trends, right of
horizontal trends, along side of bar graph. These symbols appear
automatically if a displayed point is the input to one or more Alarm
function blocks. The first 4 low type alarm blocks using the
displayed points are represented by these symbols.
or
Red
High Alarm Setpoint. Located above vertical trends, right of
horizontal trends, or along side of bar graph. These symbols
appear automatically if a displayed point is the input to one or more
Alarm function blocks. The first 4 high type alarm blocks using the
displayed points are represented by these symbols.
Flashing between ******
and value
Same as
data point
Bad Input Values. Appears in place of the value on all displays.
Value is outside the programmed limits. Caused by an upstream AI
failure (AI is open circuit and failsafe or is type linear and outside its
programmed range by 10% or more).
Flashing between value
and blank
Same as
data point
Questionable Input Values. Appears in place of the value on all
displays. Value is clamped at its limit.
Flashing between value
and blank
Same as
data point
Output Limits of Totalizer or Interval Timer Exceeded. Appears in
place of the value on all displays. Interval Timer ‘s or Totalizer’s
value is outside its output limits. Value is not clamped.