Owner manual

32
Functions
10. FUNCTIONS
The positioner type 8791 has different basic and additional functions which can be configured and parameterized
via the DIP switches or the communications software.
10.1. Basic functions
The following basic functions can be activated via the DIP switches (CUTOFF and CHARACT) or changed
(DIR.CMD).
Function Description DIP switches OFF ON
DIR.CMD
Effective sense of direction
between input signal and set-point
position
1 Ascending Descending
CUTOFF
Sealing function for position
controller
2 Sealing function off Sealing function on
CHARACT
Selection of the transfer charac-
teristic between input signal and
stroke (correction characteristic)
3 Linear characteristic Correction
characteristic
Table 14: Basic functions of DIP switches
The following basic function can be changed via the communications software only.
Function Description Factory settings
INPUT
Input of the standard signal input
for the set-point default
4 to 20 mA
Table 15: Basic function of communications software
The INPUT, CUTOFF and CHARACT functions can be parameterized via the communications software.
The instructions for the communications software describe in detail the individual menu options, as well as
parameterization and configuration.
These instructions can be found on the internet at www.burkert.com
Documentation
Type 8791 and
are also available on CD which can be ordered by quoting identification number 804625.
english
Type 8791