Bürkert 8692 Operating Instructions Manual page 142

Positioner / process controller
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Display STROKE.CHECK
STROKE.CHECK
MAX
MIN
LIMIT
HISTORY
EXIT
29-9-1
Table 42:
STROKE.CHECK; end position monitor
If a stroke limit was set in the X.LIMIT menu, the mechanical end position monitor has only limited
relevance.
The end positions indicated on the process level under POS are not the physically caused end
positions in this case. Therefore they cannot be compared with the end positions indicated in the
STROKE.CHECK menu under MIN and MAX.
Specify the position limit for outputting messages as follows:
/
Select STROKE.CHECK.
(To do this, the STROKE.CHECK function must be incorporated into the DIAGNOSE main menu.
See chapter ""16.2.4.3. Activation of diagnostic functions").
Select ENTER. The menus are displayed.
/
Select LIMIT.
Select ENTER.
The submenus for inputting the lower and upper end position tolerance are displayed.
The submenu for inputting the lower end position tolerance ZERO.TOL has already been selected.
Select INPUT. Open input screen for lower end position tolerance.
/
+
Increase value
<- Changing the decimal point
Input lower end position tolerance ZERO.TOL.
Select OK. Acknowledge value.
/
Select MAX.TOL.
Select INPUT. Open input screen for lower end position tolerance.
/
+
Increase value
<- Changing the decimal point
Input upper end position tolerance MAX.TOL.
Select OK. Acknowledge value.
Select EXIT. Return to the STROKE.CHECK menu.
142
Description of the functions
MAX indicates the maximum position of the slave pointer
MIN indicates the minimum position of the slave pointer.
67.6 %
30. 9 %
The tolerance band for the physical end positions can be set in the
LIMIT submenu. A message is output if the temperature exceeds or
drops below the permitted range.
Example:
Input upper end position TOL MAX = 1 %
If the position is less than -1 %, a message is output
Input lower end position TOL ZERO = 1 %
If the position is greater than 101 %, a message is output
The history entries of the last 3 messages can be viewed and deleted in
the HISTORY submenu.
english
Type 8692, 8693 REV.2
Auxiliary functions

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