Process Unit 73 LF - Knick

How to set the current input parameters
If your Process Unit is equipped with option 352
and probe rinsing has been enabled during parameter
setting, the current input controls the rinsing
cycle (see below).
Open the Parameter Setting menu (opl or adm,
resp.), select ”Current Input” using , and confirm
with .
Press or to select ”Input 0...100%
0...20mA” or ”Input 0...100% 4...20mA” and confirm
your choice with .
To monitor the current input via alarm limits, return
to the Parameter Setting menu and select ”Alarm
Settings”, ”Current Input Alarm” submenu.
Enter the alarm limits using scrolling and cursor
keys (see page 2–5) and confirm your entries with
.
Input current can also be controlled via the limit
contacts. For setting procedure, refer to page
9–31.
Current input as control input for probe
rinsing
If your Process Unit is equipped with option 352
“Probe rinsing”, the current input can be used for
remote control of probe rinsing (see page 9–47).
When current input is used as control input, the
menu item ”Current Input Alarm” does not appear
in the ”Alarm Settings” menu.
To set the current input as control input, open the
Parameter Setting menu, select ”Current Input”
using , and confirm with .
Select menu item ”Application”.
Press or to select ”Control Input”, and
confirm your choice with (if current input
has been set to live zero, this only applies for current
display, current input alarm is disabled).
Capabilities 9–43