York OPTIVIEW Operation Manual page 104

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
the ONE SCREEN. If STOP is selected, data collection
will not stop until the Triggers have been satisfied and
any selected TRIGGER DELAY has elapsed.
If a power failure occurs while the trending is running,
the trending is stopped. Upon restoration of power,
the last screen of data that was collected will be dis-
played on the trending screen. The START key must be
pressed to initiate a new trend screen.
DISPLAY ONLY
This screen allows the user to view the graphical trend-
ing of the selected parameters and is also a gateway to
the graph setup screens.
A red screen with the words "TREND
MAX MUST BE > TREND MIN" will
appear if the Y-Axis minimum has been
programmed to a value that is greater
than the Y-Axis maximum for any param-
eter. If this appears, proceed to the Trend
Setup Screen to change the values.
PROGRAMMABLE
Start
Access Level Required: OPERATOR
Pressing this key clears the graph, starts a new graph,
sets the time of day to the present clock time and be-
gins the trending. This key is only available if trending
is stopped. If the selected Chart Type is TRIGGERED
and TRIGGER ACTION is set to START, data collec-
tion will not begin until the Triggers have been satis-
fied and any selected TRIGGER DELAY has elapsed.
Otherwise, data collection will begin immediately.
Stop
Access Level Required: OPERATOR
Pressing this key stops the trending. The trend data
is frozen on the display until another graph is started
with the START key. The STOP key is only available if
trending is running.
104
Print
Allows the data on the trend screen to be printed in
tabular format. If set to EXISTING, a snapshot of the
data presently on the screen is sent to the printer. If set
to NEW, all data collected after pressing this key will
be sent to the printer as it is collected. If set to DIS-
ABLED, no data is sent to the printer. Refer to SEC-
TION 4 - PRINTERS on Page 145 of this manual for
printout examples.
Data Select
Allows the user to display all trended data points si-
multaneously or select a single trended data point for
display, hiding the other data points. Selections are
ALL DATA or DATA POINT X (1-6).
Y-Axis
This key toggles the Y-Axis labels of the graph. Each
key press changes the label to another of the selected
parameters.
X-Axis
This key toggles the X-Axis labels of the graph. Each
key press alternates the scaling between time of day and
elapsed time. The Time of Day scaling is in 24-hour for-
mat. The Elapsed Time scaling is the time elapsed since
the START key was pressed, starting the trending.
NAVIGATION
Home
Causes a return to the Home Screen.
History
Causes a return to the History Screen.
Trend Setup
Access Level Required: OPERATOR
Only displayed if the trending is stopped. Causes a
jump to a subscreen for configuring the trending dis-
play.
FORM 160.78-O2
ISSUE DATE: 5/22/2017
JOHNSON CONTROLS