EB 9527-3 EN
29
Settings
8.7 Ammeter function
The ammeter function is not available during
battery operation.
To check the function of connected devices,
an output signal of 4 or 20 mA or 22.8 mA
can be adjusted for a short period regard-
less of the current filling level in the tank.
Deactivate write protection by setting switch
4
to
OFF
.
Ammeter 4 mA
Press and hold the key.
Press key within 8 s and hold it. The out-
put signal reads 4.0 mA.
Release key to switch the signal between
4.0 mA and 22.8 mA.
Release key. The signal I returns to indi-
cating the mA value corresponding to the
tank content.
Ammeter 20 mA
Press and hold the key.
Press key within 8 s and hold it. The out-
put signal reads 20.0 mA.
Release key to switch the signal between
20.0 mA and 22.8 mA.
Release key. The signal I returns to indi-
cating the mA value corresponding to the
tank content.
Activate write protection by setting switch
4
to
ON
.
8.8 Battery operation
The SAMSON battery supply unit (order no.
1400-9744, not approved for hazardous ar-
eas) can be connected to connector A for
supply over batteries.
The six 1.5 V LR6 alkaline batteries supply
9 V DC.
The
BAT MODE
(battery mode) is only possi-
ble in the operating modes for level mea-
surement and level measurement for trans-
portation vehicles. The 4 to 20 mA output
and limit contacts (A1/A2) are deactivated
and the device is switched to the power-sav-
ing mode (
ESM
).
Measuring cycles and readings in battery
mode:
Power‑saving mode (
ESM
):
UCW
and
SCN
markers do
not blink
.
Active operation:
USW
and
SNC
markers
blink.
The following features apply to
BAT MODE
:
Device in power-saving mode (
ESM
) · 4 to
20 mA signal deactivated
−
Measuring cycle: one measured value
per minute
−
Filling process: while the tank is being
filled, the display switches to active oper-
ation.
It returns to
ESM
mode five minutes after
the filling process has been completed.
−
Bar graph: blinking bar graph function
deactivated
Note
Note
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