Function Of The Dip Switches - bürkert 8791 Schnellstartanleitung

7.2.2. function of the diP switches
on
1 2 3 4
DiP-
Position Function
Switches
1 ON
Reversal of the effective direction of the
set-point value (DIR.CMD)
(set-point value 20 – 4 mA corresponds to
position 0 – 100%)
OFF
Normal effective direction of the set-point
value (set-point value 4 – 20 mA corre-
sponds to position 0 – 100%)
2 ON
Sealing function active.
The valve completely closes below 2%
and opens above 98% of the set-point
value (CUTOFF)
OFF
No sealing function
Type 8791
Operating
DiP-
Position Function
Switches
3 ON
OFF
4 ON
OFF
6)
Factory setting can be changed via communications software.
7)
Characteristic type can be changed via communications
software.
Table 3:

Function of the DIP switches

information about the communications software:
The switching position of the DIP switch has priority over
the communications software!
If the values of the sealing function (CUTOFF) or the cor-
rection characteristic (CHARACT) are changed via the
6)
software tool, the corresponding function must be active
(DIP switch set to ON).
The effective direction of the set-point value (DIR.CMD) can
be changed via the Dip switches.
Correction characteristic for adjustment of
the operating characteristic (Linearisation
of the process characteristic CHARACT)
Linear characteristic
MANUAL operating status manual
AUTO AUTOMATIC operating status
english
7)
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