Service manual

15 – 3

Vission 20/20 • Operation and Service Manual •Vilter/Emerson • 35391SC 1.9

Figure 15-2. Trend Setup Screen

Section 15 • Trend Chart

Setup

The operator can modify trending options through the

Trend Setup screen, see Figure 15-2. Trend Setup Screen.

Trend Setup screen can be accessed by pressing the

Setup button when the trending feature is not run-

ning. Trend Setup screen allows the operator to select

a maximum of 10 analog I/O channels for trending. The

operator can also set a path for trend data ﬁ les from the

drop-down box in the setup screen. The USB will appear

as an option in drop-down box only when a USB drive is

mounted on the panel.

If there is no space available on the USB or when the USB

is unmounted from the panel and USB is selected for sav-

ing trend ﬁ les, trend data ﬁ les will be written to hard disk.

If the operator changes Press/Temp units from the con-

ﬁ guration screen when running the trending feature,

then the background trending will stop.