Parameterization
pH 170/
pH 296
153
Timer for an external probe cleaning unit (CS)
The
PL
submenu allows for the allocation of the intervals for relays, which are
configured in the configuration level to work as control relay for an external probe
cleaning unit (CS).
The following intervals can be set:
Parameter Range
Meaning
tr
1 ... 168 h
Interval between two cleaning processes.
tc
1 ... 300 s
Duration of the cleaning process. During the cleaning
process, the measured value remains frozen.
th
1 ... 900 s
Interval for keeping the measured value frozen after the
cleaning process is finished.
During
tc
and
th
no calibration is possible. If a cleaning process is to be
started while a calibration is running, the start is delayed until the
calibration is finished.