Setting A Process Control Function; Starting The Function To Obtain Linear Characteristic Curve - Burkert 8630 Instructions De Service

6.5

Setting a process control function

In order to use the Top Control Continuous as a process controller, apply the following requirements:
Perform first the self-calibration procedure for the position controller (
Select the additional function within the configuration mode in the main menu (see 6.4).
The function will also be activated into the main menu.
Enter the basic configuration of the process controller within the
If the process control acts on a flow process control, it is possible to use the automatic linear characteristic curve of
the process:
Release the function
ATTENTION!
Perform the functions in the following order, in any case!

6.5.1 Starting the function to obtain linear characteristic curve

P.Q’LIN
This function is only useful for a flow process control
Start the function to obtain the automatic linear characteristic curve by selecting the function P.Q'LIN within the main menu
and pressing the MANUAL/AUTOMATIC key during 5 seconds.
NOTE
It is only possible to activate the function
FREQ or
By activation of the function
the program to obtain the automatic correction curve.
The program increases the valve stroke in 20 steps from 0 to 100 % and measures the associated process variable. The couple
of points of the correction characteristic curve are used within the sub-menu
characteristic curve, and can be checked within this sub-menu.
If the function was not previously, transferred within the main menu by the sub-menu
performed by the call to the
Display
:
:
Fig. 6.17 Display during launching and performing the linearisation function
Top Control Continuous
(see 6.5.1).
4'20mA has been selected.
the function is automatically copied within the main menu. Start the function to run
function, and the function
Description
Countdown from 5 to 0 before starting
the function
Display the already passed steps of the function performed
(The advancement is figured on a varying bar chart
displayed on the right side of the LCD)
(flashing) End of the function
Display in error occurrence
(right display: error number; see chapter 7)
- see 6.3.2).
function (see 6.4).
within the main menu if the functions
as a free programmable
this will be automatically
will be simultaneously activated.
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