Endress+Hauser HART Proline Promass 83, Operating Instructions Manual

Page: 80 / 148

Commissioning Proline Promass 83
80 Hauser
Performing a zero point adjustment
1. Let the system run until operating conditions have been reached.
2. Stop the flow (v = 0 m/s).
3. Check the shutoff valves for leaks.
4. Check that operating pressure is correct.
5. Perform a zero point adjustment as follows:
Key Procedure Display text
F
HOME position
→
Enter the function matrix > GROUP SELECTION<
MEASURED VARIABLES
P
Select the BASIC FUNCTION block > GROUP SELECTION<
BASIC FUNCTION
P
Select the PROCESS PARAMETER group > GROUP SELECTION<
PROCESS PARAMETER
P
Select the ADJUSTMENT function group > GROUP SELECTION<
ADJUSTMENT
N
Select the ZERO ADJUST. function ZERO ADJUST.
CANCEL
P
After you press
P
, you are automatically prompted to enter the code if the
function matrix is still disabled.
CODE ENTRY
***
P
Enter the code (83 = default) CODE ENTRY
83
F
Confirm the code as entered.
The ZERO ADJUST function reappears on the display.
PROGRAMMING
ENABLED
ZERO ADJUST.
CANCEL
P
Select START ZERO ADJUST.
START
F
Confirm the entry by pressing the Enter key.
The confirmation prompt appears on the display. SURE?
NO
P
Select YES. SURE?
YES
F
Confirm the entry by pressing the Enter key. Zero point adjustment now
starts. While zero point adjustment is in progress, the display shown here
is visible for 30 to 60 seconds.
If the flow of fluid in the pipe exceeds 0.1 m/s, an error message appears
on the display: ZERO ADJUST NOT POSSIBLE.
When the zero point adjustment completes, the ZERO ADJUST. function
reappears on the display.
ZERO ADJUST.
RUNNING
ZERO ADJUST.
CANCEL
F
After actuating the Enter key, the new zero point value is displayed. ZERO POINT
Q
Simultaneously pressing
P
→
HOME position