Carel easy way aria, User Manual, Page: 27 / 44

27
GB
easy way ARIA +030220841 - rel. 1.0 - 26.10.2007
4.4 Alarms
Below is the list of alarms that can be displayed on the terminal (all alarms
with automatic reset).
Alarms displayed on the terminal
These are internal terminal alarms due to HARDWARE malfunctions.
alarm main fi eld
display
alarm limits EW00TA* EW00TB*
system/
memory error EEP * *
temp. sensor
fault ESt -20..70 °C *
-7..55 °C *
humidity
sensor fault ESU ESU *
Tab. 4.r
The alarms are displayed in the main fi eld on the display, alternating with
the normal display.
The alarms are also highlighted on the display by the following symbol.
Fig. 4.e.a
par. description min max def UOM type index R/W notes
-
Local temperature sensor alarm
0 no temperature sensor alarm
1 temperature sensor alarm
0 1 - - D 4 R -
-
Local humidity sensor alarm
0 no humidity sensor alarm
1 humidity sensor alarm
0 1 - - D 5 R
-
Tab. 4.s
External alarms
An alarm/warning from the master-supervisor device can also be shown
on the display.
par. description min max def UOM type index R/W notes
-
Alarm code from the supervisor
0 no active alarm
xx alarm code contained in the variable
0 255 0 - I 6 W -
Example: if the parameter is set to 173 the terminal will display.
Fig. 4.e.b