Endress+Hauser Liquisys M CCM223 - Page 59

Liquisys M CCM223/253 Commissioning
Endress+Hauser 59
Coding Field Range of
adjustment
(factory settings in
bold)
Display Info
P116 Enter
maximum
permissible
duration for
alarm
threshold
undershoot
60 min
0 to 2000 min
P116
min
Tmax Low
60
A0002006-EN
Only if P115 = CC or AC+CC
P117 Enter
maximum
permissible
duration for
alarm
threshold
overshoot
120 min
0 to 2000 min
P117
min
Tmax High
120
A0002007-EN
Only if P115 = CC or AC+CC
P118 Enter limit
value
500 ppb
0 to 20000 ppb
0.5 ppm
0 to 20 ppm
0.5 (0.1) mg/l
0 to 20 (5) mg/l
P118
mg/l
Setpoint
0.5
A0002008-EN
Limit value for monitoring
according to fields P116 and
P117.

When performing
external control from a
process control system
with an external set point,
make sure that the setting
matches that in field
P118.
P1(2) pH
ORPmV
P1
Parameter
pH
A0001997-EN
Only for EP version
pH or ORPmV is displayed
depending on the mode of
operation selected in field B1.
P121 Select alarm
threshold
monitoring
Off
Low
High
LoHi = low and high
Lo!
Hi!
LoHi!
P121
A.Thresh
Off
A0001998-EN
Alarm possible with or without
controller switch-off.
xxxx = without controller
switch-off
xxxx! = with controller switch-
off
P122 Enter alarm
delay
0 min (s)
0 to 2000 min (s)
P122
min
Err.Delay
0
A0001999-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 P123/P124 results
in an alarm.
P123 Enter lower
alarm
threshold
pH 4.00
pH 4 to 8.9
0 mV
0 to 1490 mV
P123
pH
LowAlarm
4.00
A0002000-EN
Not applicable when P121 = off
P124 Enter upper
alarm
threshold
pH 9.00
pH 4.1 to 9
1500 mV
10 to 1500 mV
P124
pH
HighAlarm
9.00
A0002001-EN
Not applicable when P121 = off