Commissioning Liquisys M CCM223/253
68 Endress+Hauser
Functions marked in italics are not supported by the basic device version.
Coding Field Range of
adjustment
(factory settings
in bold)
Display Info
R
RELAY
A0009058-EN
Relay contact settings
R1 Select the
contact to be
configured
Rel1
Rel2
Rel3
Rel4
A0009059-EN
Rel3 (water) and Rel4 (cleaner)
are only available with the
relevant version of the
transmitter.
If Chemoclean is used as the
cleaning method, Rel4 is not
available.
R2 (1) Configure limit
contactor for
Cl
2
/ClO
2
LC PV= limit
contactor
Cl
2
/ClO
2
(1)
LC °C = limit
contactor pH (2)
LC °C = limit
contactor T (3)
PID controller
Cl
2
/ClO
2
(4)
PID controller pH
(5)
Timer (6)
Clean=
Chemoclean (7)
Three-point step
controller
A0009060-EN
PV = process value
If Rel4 is selected in the R1
field, Clean = Chemoclean
cannot be selected. By
confirming with ENTER,
another relay function already
switched on is switched off and
its settings are reset to the
factory settings.
R211 Switch function
of R2 (1) off or
on
Off
On
A0009067-EN
All the settings are retained.
R212 Enter the
switch-on point
of the contact
20000 ppb
0 to 20000 ppb
20 ppm
0 to 20 ppm
20 (5) mg/l
0 to 20 (5) mg/l
A0002033-EN
Never set the switch-on point
and the switch-off point to the
same value! (Only the operating
mode selected in A1 is
displayed.)
R213 Enter the
switch-off point
of the contact
20000 ppb
0 to 20000 ppb
20 ppm
0 to 20 ppm
20 (5) mg/l
0 to 20 (5) mg/l
A0002034-EN
Entering a switch-off point
selects either a Max contact
(switch-off point < switch-on
point) or a Min contact (switch-
off point > switch-on point),
thereby implementing a
hysteresis that is constantly
required (see "Illustration of the
alarm and limit functions"
figure).