Johnson Controls YORK YVAM 0350, Operation & Maintenance Manual

Page: 78 / 162

Table 78: Programmable
Button Description
Start Access level required: Operator
Pressing this button clears the graph, starts a new graph, sets the time of day to the present
clock time, and begins the trending. This button 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 selected trigger delay has elapsed.
Otherwise, data collection will begin immediately.
Stop Access level required: Operator
Pressing this button stops the trending. The trend data is frozen on the display until another
graph is started with the Start button. The Stop button is only available if trending is
running.
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 button will be sent to the printer as it is collected. If set to
Disabled, no data is sent to the printer. See Printing for printout examples.
Data Select Allows the user to display all trended data points simultaneously 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 button toggles the Y-Axis labels of the graph. Each button press changes the label to
another of the selected parameters.
X-Axis This button toggles the X-Axis labels of the graph. Each button 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 button was pressed, starting the
trending.
Table 79: Navigation
Button Description
Home Returns to the Home screen.
History Returns 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 display.
YVAM Control Center 78