Liquisys M CPM223/253 Commissioning
Endress+Hauser 65
R239
Enter maximum
pulse frequency of
the adjuster
120 min
-1
60 to 180 min
-1
This field only appears if pulse frequency
is selected in R237. If pulse length is
selected, R239 is skipped and entries
continue with R2310.
R2310
Enter minimum
switch-on time t
ON
0.3 s
0.1 to 5.0 s
This field only appears if pulse length is
selected in R237.
R2311 Enter basic load
0%
0to40%
When you select the basic load, you enter
the desired dosing quantity.
100% basic load corresponds to:
– Constantly on for R237 = len
– Fmax at R237 = feq
– 20mA at R237=curr
R2312 Enter process type
Batch
Inlne
Batch = discontinuous process
Inlne = continuous process
There is no further dosing in the setting
range in batch mode. The I-component is
decreased.
Dosing continues in the setting range in
inline mode. The I-component is effective.
R2 (4)
Configure cleaning
function (timer)
LC PV = limit contactor pH/
ORP (1)
LC C = limit contactor T (2)
PID controller (3)
Timer (4)
Clean = Chemoclean (5)
Neutra controller (6)
Cleaning only takes place with a cleaning
agent (usually water); see Fig. 41).
By confirming with ENTER, another relay
function already switched on is switched
off and its settings are reset to the factory
settings.
R241
Switch function of
R2 (4) off or on
Off
On
R242
Enter rinsing/
cleaning time
30 s
0 to 999 s
Settings for Hold and relay are active for
this time.
R243 Enter pause time
360 min
1to7200min
The pause time is the time between two
cleaning cycles (see "Timer for cleaning
function" section).
R244
Enter minimum
pause time
120 min
1toR243min
The minimum pause time prevents
constant cleaning if a cleaning trigger is
present.
Coding Field Setting range
(Factory settings, bold)
Display Info