Coding
Field
Selection or range
default (bold)
Display
Info
R221
Switch function of
R2 (2) off or on
Off
On
R222
Enter switch-on
temperature
60.0 °C
–10.0 ... 60.0 °C
Never set switch-on point and
switch-off point to the same value!
R223
Enter switch-off
temperature
60.0 C
10.0 ... 60.0 C
Entering the switch-off point
selects either a max contact
(switch-off point < switch-on
point) or a min contact (switch-off
point > switch-on point) and a
constantly required hysteresis is
implemented (see Fig. 5.4).
R224
Enter pick-up delay
0 s
0 ... 2000 s
R225
Enter dropout
delay
0 s
0 ... 2000 s
R226
Enter alarm
threshold
60.0 C
-10.0 ... +60.0C
If the alarm threshold is
exceeded or undershot, an alarm
containing the error message
and the error current is output
from the measuring transmitter.
R227
Show status for
limit contact
MAX
MIN
Only display.
R2 (3)
Configure P(ID)
controller
GW PW = Limit
contactor O
2
(1)
GW °C = Limit
contactor T (2)
PID controller
(3)
Timer (4)
Clean = ChemoClean (5)
Confirmation with ENTER
switches off a different, already
switched-on function and its
settings are reset to the default.
R231
Switch function of
R2 (3) off or on
Off
On
Basic
PID+B
On = PID control
Basic = only basic load dosage
PID+B = PID control with basic
load dosage
The factory settings are printed in bold; functions printed in
italics are not available in the basic version.
Off
R221
Function
R222
°C
On value
60.00
R223
°C
Off value
60.00
0
R224
s
On Delay
0
R225
s
Off Delay
R226
s
A.Thresh
60.0
R227
LC State
MAX
PID
R2
Sel. Type
Off
R231
Function
Instrument configuration
Liquisys M COM 223 F / 253 F
40
Hauser