12
CIRWATT B 400
Instruction Manual
the active quadrant (Q1,Q2,Q3,Q4)
L1+L2+L3+
, indicates the presence of voltage on each phase with its corresponding sing of
intensity:
"+" is used to show the power absorbed from the mains.
"–" is used to show the power transferred to the mains.
" " the absence of a sign is used to indicate that there is no load.
PX,
indicates the active period at any given time.
,
It indicates that there is an alarm. The alarm type can be checked on the L40 screen.
When a critical alarm is triggered, the device will display the message "ALARM" in the top line in
the Standby State. The various screens have to be accessed using the read button. Depending on
the type of alarm, the letters
C, N
or
B
will be shown:
C:
Critical alarm, due to an internal or external problem that directly affects the measurement.
This will be flashing.
N:
Non-critical alarm, does not affect the measurement but it does affect the operation of the
meter. This will be flashing.
B:
Battery-low alarm. This will be flashing.
, will have three possible states:
Off
, when there are no communications. This is the default status.
Steady on,
once the meter is associated.
Flashing
, there are two cases:
•
Continuous periodic flashing
, indicates that the communications module in the meter
is working correctly during the association process, but it is not yet associated with the
concentrator. The flashing period lasts 2 seconds, 1 second on and 1 second off.
•
Short double flashing
, indicates that the meter has a connection and is associated. The
shutdown time is 0.3 seconds.
R
, indicates that the LED verifies the reactive measurement. Not available in three-phase
energy meters
kvarh
,
indicates open circuit breaker due to power control (PC) actuation. Not available in
three-phase energy meters.