26
EB 8395 EN
Operating the positioner
7.7 Adjusting the limit contacts
The electronic limit contact can be triggered
by the position of pick-up rod exceeding or
falling below an adjustable switching point.
Limit contact 1, min. (Code P12):
The limit contact is activated when the pick-
up rod moves below the adjusted switching
value. The limit contact is deactivated when
the pick-up rod moves above the adjusted
switching value by 1 % again.
Î
indicates it is active
Limit contact 2 (max., Code P13):Limit con-
tact 2, max. (Code P13):
The limit contact is activated when the pick-
up rod moves above the adjusted switching
value. The limit contact is deactivated when
the pick-up rod moves below the adjusted
switching value by 1 % again.
Î
indicates it is active
Press
or
to select Code
P12
for limit
contact 1 or
P13
for limit contact 2.
Press
,
P12
or
P13
blinks.
Press
or to adjust the required switch-
ing value in steps of 0.5 % and press
to
confirm the value.
The switching values for
P12
and
P13
must
be adjusted at least 5 % from one another. It
is not possible to enter switching values that
are less than 5 % from one another.
7.8 Setting other parameters
The following table lists all the parameter
codes and their default settings. If you want
to change the default setting of a parameter,
proceed as described previously.
More details concerning the parameter
codes can be found in section 11.2.
Parameter codes [Default setting]
Codes marked with * indicate that the position
-
er needs to be re-initialized afterwards
P0
Status reading
P1
Reading direction
P2*
ATO/ATC [ATO]
P4*
Nominal range [MAX]
P5
Characteristic [0]
P6
Reference variable [4 to 20 mA]
P7
w/x direction of action [>>]
P8*
Gain Kp [50]
P9
Pressure limitation 2.3 bar [OFF]
P10
Set point cutoff decrease (end
position w <) [ON]
P11
Set point cutoff increase (end
position w >) [OFF]
P12
Limit A1, min. [2 %]
P13
Limit A2, max. [98 %]
P14
Display of reference variable w
P15
INIT Start initialization
P16
ZERO Start zero calibration
P17
MAN Manual mode
P18
RST Reset
P19
Enable configuration
P20
Firmware version
Note
Содержание 3724
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