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OPM223/253
Coding
Field
Enter switch-on
R222
temperature
Enter switch-off
R223
temperature
R224
Enter pick-up delay
Enter drop-out
R225
delay
Enter alarm
R226
threshold (as
absolute value)
Display status for
R227
limit contactor
Configure P(ID)
R2 (3)
controller
Switch function of
R231
R2 (3) off or on
R232
Enter set point
Setting range
Display
(Factory settings, bold)
150.0 C
-50.0 ... 150.0 C
150.0 C
-50.0 ... 150.0 C
0 s
0 ... 2000 s
0 s
0 ... 2000 s
150.0 C
-50.0 ... 150.0 C
MAX
MIN
LC PV = limit contactor pH/
ORP (1)
LC C = limit contactor T (2)
PID controller (3)
Timer (4)
Clean = Chemoclean (5)
Neutra controller
Off
On
Basic
PID+B
pH 16.00
pH -2.00 ... 16.00
1500 mV
-1500 ... 1500 mV
0.0 %
0.0 ... 100.0 %
Info
150.0
°C
Never set the switch-on point and the
R222
switch-off point to the same value!
On value
Entering a switch-off point selects either
a Max contact (switch-off point < switch-
on point) or a Min contact (switch-off
150.0
°C
point > switch-on point), thereby
R223
implementing a hysteresis that is
Off value
constantly required (see "Illustration of
the alarm and limit functions" figure).
0
s
R224
On Delay
0
s
R225
Off Delay
If the alarm threshold is undershot/
overshot, this triggers an alarm with the
150.0
°C
error message and error current at the
R226
transmitter (note alarm delay in field F3).
If defined as a Min contact, the alarm
A.Thresh
threshold must be < switch-off point.
MAX
Display only.
R227
LC State
By confirming with ENTER, another
PID
relay function already switched on is
R2
switched off and its settings are reset to
the factory settings.
Sel.Type
On = PID controller
off
Basic = basic load dosing
R231
PID+B = PID controller + basic load
dosing
Function
The set point is the value to be
pH
maintained by the control system. Using
16.00
this control process, this value is
R232
restored upwards or downwards when a
Setpoint
deviation occurs.
Operation
51
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