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18
Reference Manual
00809-0100-4140, Rev AA
January 2017
Figure 2-3. Example of Calculated Switching Points for a Process Media
A. Top limit boundary (allowing for variations in fork manufacture).
B. Nominal switching point frequencies for this process medium.
C. Bottom limit boundary (allowing for variations in fork manufacture).
D. Dry fork frequency – see
“Dry fork frequency and switching points” on page 85
for details.
To change or view the media density (Field Communicator)
1.
From the Home screen, select
2: Configure
.
2.
Select
2: Manual Setup
>
1: Operation
>
1: Application
.
3.
Select
3: Media Density
.
4.
Select the option that is closest to the process medium density range.
Note
When messages about the loop appear, take appropriate safe action and select “OK”.
See
“Configuration basics” on page 10
for further information.
To change or view the media density (AMS Device Manager)
1.
Right click on the device and select
Configure
.
2.
Select
Manual Setup
, and then select the
Operation
tab.
3.
Select the
Media Density
option that is closest to the process medium density
range.
Note
When messages about the loop appear, take appropriate safe action and select “Next >”.
See
“Configuration basics” on page 10
for further information.
Liquid Density (SG)
0
0.5
1.0
1.5
2.0
2.5
3.0
Switch Frequency
A
B
C
D
Содержание Rosemount 2140
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