Coding
Field
Selection or range
Factory setting
Display
Info
R235
Enter derivative
action time T
v
(0.0 = no D
component)
0.0 min
0.0 ... 999.9 min
See Chap. 5.5.2.
R236
Selection of
controller
characteristic
inv
=
inverted
dir = direct
Setting may or may not be
required depending on control
deviation (up or down deviation,
see Chap. 5.5.2).
R237
Select pulse
length or pulse
frequency
len
=
Pulse length
freq = Pulse frequency
Pulse length e.g. for solenoid
valve, pulse frequency e.g. for
megnetic dosing pump (see
Chap. 5.5.2).
R238
Enter pulse interval
10.0 s
0.5 ... 999.9
This field only appears if pulse
length is selected in R237. When
pulse frequency is selected,
R238 is skipped and input
continues in R239.
R239
Enter maximum
pulse frequency
of actuator
120 min
–1
60 ... 180 rpm
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
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 O
2
(1)
LC °C = Limit
contactor T (2)
PID controller (3)
Timer
(4)
Clean = Chemoclean
(5)
Confirmation with ENTER
switches off a different, already
switched-on relay function and its
settings are reset to the default.
Cleaning only with
one cleaning
agent (unsually water); see
Fig. 5.10.
R241
Switch function of
R2 (4) off or on
Off
On
Settings made for the timer are
not deleted by switching the
function off.
The factory settings are printed in
bold
; function printed in
italics are not available in the basic version.
0.0
R235
Time Tv
min
inv
R236
Direction
len
R237
Oper.Mode
10.0
R238
PulsePer.
s
120
R239
Max.PFreq
1/min
0.3
R2310
Min.PTime
s
Timer
R2
Sel. Type
Off
R241
Function
Instrument configuration
Liquisys M COM 223 / 253
44
Hauser