Process Unit 73 LF - Knick

Process Unit 73 LF
You can start a rinsing cycle:
Press to select ”Start probe rinsing” and confirm
with .
This starts a rinsing cycle. (The interval timer will
be reset.) After termination of the rinsing cycle, the
instrument will return to measuring mode.
Manual Switching of ”Rinsing” and
”Cleaning”
Press to select ”Manual Control”.
Press or to select ”Rinse” or ”Clean” and
confirm with . The corresponding contact
will remain closed until you enter ”Manual Control
Off” or press or to exit the menu.
You can never close two contacts at the same
time!
When a rinsing cycle is running, manual control is
locked.
As delivered, the relay contacts are suitable for
low signal currents (down to approx. 1 mA).
If currents above approx. 100 mA are switched,
the gold plating is destroyed during the switching
process. After that, the contacts will not reliably
switch low currents.
If a rinsing cycle is interrupted by a power failure,
probe rinsing is blocked. The error message ”Fail
Rinsing Cycle” is released. All automatic starts are
blocked!
The cycle can be reactivated by:
a manual start in the menu
disabling and re-enabling probe rinsing in the
Parameter Setting menu
an interface command
9–48 Capabilities