
37/89 Device handbook A
PLUS
with / without LED display
,
157
679-19, 04/2016
7.2 Operating modes
The device supports, along with the
configuration mode
, three different operating modes. Normally the
device is in the measurement display mode, but may be temporarily switched for the reading of the meters
or for the display of alarm texts.
Measurement display
:
Is the normal operating mode of the
device. By means of the navigation keys different measurement
display can be selected. Depending on the selected display mode
and the system monitored different measurement displays are
available.
►
Available display modes
Meter reading
: By pressing the key for a longer time an
operating mode is started, which allows to read all the meter
contents via line 4. This mode is automatically stopped after 30s
without any key pressed or via the key . If this mode is active
no measurement info is displayed on line 1 to 3.
►
Meter reading
Alarm display
: By shortly pressing the key an operating
mode is started, which allows to display alarm state texts and to
acknowledge alarms via line 4. If there are no configured alarms
the message "No LED used" is displayed and then the mode is
stopped. Otherwise the mode is automatically stopped after 30s
without any key pressed or via the key . If this mode is active
no measurement info is displayed on line 1 to.
►
Monitoring and alarming
►
Alarm handling