Liquisys M CCM223/253 Commissioning
Endress+Hauser 55
7.4.5 Alarm
You can use the "Alarm" function group to define various alarms and configure output
contacts.
Each individual error can be defined to be effective or not (at the contact or as an error
current).
Functions marked in italics are not supported by the basic device version.
Coding Field Range of
adjustment
(factory
settings in
bold)
Display Info
F
ALARM
function group
A0025141-EN
Alarm function settings.
F1 Select contact
type
Latch =
latching
contact
Momen =
momentary
contact
A0025142-EN
The option selected only applies
for the fault-signaling contact, not
for the error current.
F2 Select the time
unit for the
alarm delay
min
s
A0025143-EN
F3 Enter alarm
delay
0 min (s)
0 to 2000 s
(min)
A0025144-EN
Depending on the option selected
in F2, the alarm delay can be
entered in s or min.
F4 Select error
current
22 mA
2.4 mA
A0025145-EN
If "0-20 mA" was selected in
O311, "2.4 mA" may not be
used.
F5 Select the error
number
1
1 to 255
A0025146-EN
Here you can select all the errors
which should trigger an alarm. The
errors are selected by the error
numbers. Please refer to the table
in the "System error messages"
section for the meaning of the
individual error numbers. The
factory settings remain in effect
for all errors that are not edited.
F6 Set alarm
contact to be
effective for the
selected error
Yes
No
A0025147-EN
If “no” is selected, all the other
alarm settings are deactivated (e.g.
alarm delay). The settings
themselves are maintained. This
setting only applies to the error
currently selected in F5.