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5.5 Monitoring functions
The monitoring functions are used to define various alarms and to set output contacts. Each
individual error can be defined to be effective or not (at the contact or error current) Moreover,
the eletrode can be checked for glass breakage, or for leak current at the electrode (P1, P2,
P7). An alarm condition can be defined to activate a cleaning function (F8).
5.5.1 Alarm
Coding Field
Selection or range
Factory setting (bold)
Display Info
F
Function group
ALARM
Alarm function settings.
F1
Selection of
contact type
Stead = steady
contact
Fleet = fleeting
contact
The contact type selected here
only applies to the alarm contact.
F2
Selection of time
unit
s
min
F3 Enter alarm delay
0 s (min)
0 ... 2000 s (min)
Depending on the unit selected
in F2, the alarm delay is entered
in s or min.
F4
Selection of error
current
22 mA
2.4 mA
This selection must be made
even if all errors are suppressed
in F5.
F5 Selection of error
1
1 ... 255
This is where the errors are
selected that are to trigger an
alarm signal. The errors are
selected via the error number.
Please refer to the table in
chapter 7, p. 59. The factory
settings remain in effect for all
errors not edited.
Factory settings are printed in bold face;
base version does not include functions in
italic
.
F
ALARM
F1
Cont.Type
Stead
F2
Time Unit
s
F3
Err.Delay
0
s
22mA F4
Err.Curr
F5
Sel.Error
1
PM253E5A.CHP
Liquisys M CPM 223 / 253 Instrument configuration
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