Liquisys M CUM223/253 Commissioning
Endress+Hauser 47
Basic version does not include functions in italic.
Coding Field Setting range
(Factory settings, bold)
Display Info
P
CHECK function
group
Settings for sensor and process monitoring
P1
Select alarm
threshold monitoring
Off
Low
High
Lo+Hi
Low!
High!
Lo+Hi!
Alarm signalling optionally with or
without simultaneous controller switch-
off.
XXXX = without controller switch-off
XXXX! = with controller switch-off
(Errors: E154, E155)
P2 Enter alarm delay
0 s (min)
0 to 2000 s (min)
Depending on your selection in F2, you can
enter the error delay in min or s. Only after
this delay, a high or low limit violation
causes an alarm as per field P3/P4.
P3
Enter lower alarm
threshold
0.000 FNU
0 to 9999 FNU
P4
Enter upper alarm
threshold
10.00 FNU
0 to 9999 FNU
P5
Select process
monitoring
(PCS alarm)
Off
AC
CC
AC+CC
AC!
CC!
AC+CC!
AC = sensor activity check (E152)
CC = controller check (E156, E157)
XXXX = without controller switch-off
XXXX! = with controller switch-off
P6
Enter maximum
permissible duration
for lower CC setpoint
limit violation (field
P8)
60 min
0 to 2000 min
Only when P5 = CC or AC+CC
P7
Enter maximum
permissible duration
for upper CC setpoint
limit violation (field
P8)
120 min
0 to 2000 min
Only when P5 = CC or AC+CC
P8
Enter CC setpoint
(for P6/P7)
1.000 FNU
0 to 9999 FNU
Selected value is an absolute value. This
function is mainly used for batch processes
and single-sided limit switches.
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