York YR Manual page 74

Optiview Control Center
SECTION 2 - OPTIVIEW™ CONTROL CENTER
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 ap-
pear if the Y-Axis minimum has been pro-
grammed to a value that is greater than
the Y-Axis maximum for any parameter.
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 collection will not
begin until the Triggers have been satisfied and any se-
lected Trigger Delay has elapsed. Otherwise, data col-
lection 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 trend-
ing is running.
Print
Access Level Required: VIEW
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 Disabled,
no data is sent to the printer. Refer to Printer Section of
this book for printout example.
74
Data Select
Access Level required: VIEW
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
Access Level Required: VIEW
This key toggles the Y-Axis labels of the graph. Each
key press changes the label to another of the selected
parameters.
X-Axis
Access Level Required: VIEW
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 format. The Elapsed Time scaling is the time
elapsed since the START key was pressed, starting the
trending.
Navigation
Home
Access Level Required: VIEW
Causes a return to the HOME screen.
Trend Setup
Access Level Required: OPERATOR
Only displayed if the trending is stopped. Causes a jump
to a sub-screen for configuring the trending display.
FORM 160.81-O1 (1020)
ISSUE DATE 10/05/2020
JOHNSON CONTROLS