Endress+Hauser Liquisys M CCM223 - Page 58

Commissioning Liquisys M CCM223/253
58 Endress+Hauser
You can use the "Check" function group to monitor the measured value for permissible
upper and lower limits and trigger an alarm.
Functions marked in italics are not supported by the basic device version.
Coding Field Range of
adjustment
(factory settings in
bold)
Display Info
P
CHECK
function
group
P
CHECK
A0009045-EN
Settings for sensor and process
monitoring
P1(1) Cl2
ClO2
P1
Parameter
A0001988-EN
Cl
2
if A1 = "120", "140", "141",
"963"
ClO
2
if A1 = "240", "241"
P111 Select alarm
threshold
monitoring
Off
Low
High
LoHi = low and high
Lo!
Hi!
LoHi!
P111
A.Thresh
Off
A0001989-EN
Alarm possible with or without
controller switch-off.
xxxx = without controller
switch-off
xxxx! = with controller switch-
off
P112 Enter alarm
delay
0 min (s)
0 to 2000 min (s)
P112
min
Err.Delay
0
A0001990-EN
Depending on the option
selected in F2, the alarm delay
can be entered in s or min.
This delay must first elapse
before undershooting/
overshooting in accordance
with fields P113/P114 results
in an alarm.
P113 Enter lower
alarm
threshold
0 ppb
0 to 20000 ppb
0.00 ppm
0 to 20 ppm
0.00 mg/l
0 to 20 (5) mg/l
P113
mg/l
LowAlarm
0.00
A0001991-EN
Not applicable when P111 = off
P114 Enter upper
alarm
threshold
20000 ppb
0 to 20000 ppb
20.00 ppm
0 to 20 ppm
20.00 (5.00) mg/l
0 to 20 (5) mg/l
P114
mg/l
HighAlarm
20.00
A0001992-EN
Not applicable when P111 = off
P115 Select process
monitoring
Off
AC
CC
AC+CC
AC!
CC!
AC+CC!
P115
mg/l
ProcMonit
Off
A0001993-EN
AC = sensor activity monitoring
CC = controller monitoring
Alarm possible without or with
simultaneous controller switch-
off.
xxxx = without controller
switch-off
xxxx! = with controller switch-
off