Coding
Field
Selection or range
Factory setting
Display
Info
R239
Enter maximum
pulse frequency
of actuator
120 min
–1
60 ... 180 min
–1
This field only appears if pulse
frequency is selected in R237.
When pulse length is selected,
R239 is skipped, and input
continues in R2310.
R2310
Enter minimum
ON time t
ON
0.3 s
0.1 ... 5.0 s
This field only appears if pulse
length is selected in R237.
R2 (4)
Configure
cleaning function
(timer)
LC PV =
limit contactor cd (1)
LC °C =
limit contactor T (2)
PID controller (3)
Timer
(4)
Clean =
Chemoclean (5)
USP23 (6)
Cleaning is performed using only
one cleaning agent (usually
water); see Fig. 5.10.
R241
Switch function of
R2 (4) off or on
Off
On
R242
Enter rinse /
cleaning time
30 s
0 ... 999 s
The hold and relay settings are
activated for the period of time
specified here.
R243
Enter pause time
360 min
1 ... 7200 min
The pause time is the time
between two cleaning cycles
(see chpt. 5.5.5).
R244
Enter minimum
pause time
120 min
1 ... 3600 min
The minimum pause time
prevents continuous cleaning
when the cleaning trigger is
present.
R2 (5)
Configure
cleaning with
Chemoclean
(on version with
four contacts and
appropriate
assignment of
contacts 3 and 4)
LC PV =
limit contactor cd (1)
LC °C =
limit contactor T (2)
PID controller (3)
Timer (4)
Clean
=
Chemoclean
(5)
USP23 (6)
See chpt. 5.5.5.
Factory settings are printed in
bold
face;
base version does not include functions in italics.
120
R239
Max.PFreq
1/min
0.3
R2310
Min.PTime
s
Timer
R2
Sel. Type
Off
R241
Function
30
R242
RinseTime
s
360
R243
PauseTime
min
120
R244
Min.Pause
min
Clean
R2
Sel. Type
LM253E5C.CHP
Liquisys M CLM 223 / 253
Instrument configuration
Hauser
39