Step
7
When "Current applied process value" display appears, choose "Set as 4mA value" then press
ENTER.
8
When the display in Step 6 appears, choose Exit, then press ENTER.
Return the loop to automatic control.
9
Press HOME to return to the "Online" display.
10
From "Online" menu, step through the following menu selections:
Device setup
•
•
Process variables
11
At "Process variables" display, read 0% output for corresponding empty tank pressure plus
head pressure H
12
•
If you cannot fill tank, then go to Step 13
If you can fill tank to desired full-scale level, then go to Step 14
•
13
Key in URV that is equal to full tank pressure. See Range values in Section 6 for details on
keying in a range value.
Go to Step 24
14
Close plugs C and D.
15
Open valves A and B. Fill tank to desired full scale level.
16
At "Online" menu (if applicable, press HOME to get there), read present URV setting.
17
From "Online" menu, step through the following menu selections:
Device setup
•
•
Diag/Service
•
Calibration
Apply values
•
You will be warned to remove the loop from automatic control. After doing so, press OK to
continue.
18
When the following display appears,
choose 20mA, then press ENTER.
A display will prompt you to apply new 20 mA input. Press OK.
19
When "Current applied process value" display appears, choose "Set as 20mA value" then
press ENTER.
10/05
7— Start-up - Liquid Level Measurement – Pressurized Tank
. Check that milliammeter reading is 4 mA (0%) output.
1
ST3000: PT 3011
Set the:
1
4mA
2
20mA
3
Exit
ST 3000 HART Transmitter Release 300 User Manual
Action
ABORT
ENTER
77