Elkron IM915AM Manual Del Usuario página 20

- the slow flashing of a zone LED and of the ALARM LED (whether
enabled or not) if the fault involves the detection zone with which the
LED is associated.
• The second provides cyclical control (about every 24 hours) of the
efficiency of both the microwave and the infrared zones. If this type of
control gives negative results (e.g., due to a fault in one of the two
detection zones), this condition is still indicated by the slow flashing of
the zone LED (the one involving the fault) and of the general (ALARM)
LED, in addition to the relevant indication at the FAILURE output (see
Par. 9.15).
9.15 FAULT OUTPUT (FA Terminal - Fault )
The OPEN COLLECTOR output goes to GND in case of a sensor fault
(Imax = 10 mA).
The fault output is activated in case of an internal fault or as a result of
operating voltage values that are out of range (see Par. 9.14).
In such cases, the output remains activated and the LED('s) flash slowly
until the cause of fault is eliminated.
N.B.: In the presence of a fault in one detection zone, the sensor
automatically changes its operating mode:
configuration, in the presence of a fault in one of the two detection zones,
the sensor automatically switches to OR operation and cuts out the faulty
zone;if it is configured for OR operation, in the presence of a fault in one
of the zones, the latter zone is not taken into account. This condition exists
for as long as the fault persists (however,it is indicated, as stated above).
9.16 ENVIRONMENTAL TEST
The environmental test is useful in providing an indication of the amount
of noise the sensor detects in the environment.
To apply this test the MW and PIR zone leds must be enabled and the
sensor must be operating inside an armed system (see Par. 9.2 relative to
"TC". The JP2 jumper must also have the following configuration.
JP2 NOT CONNECTED: Environmental Test disabled
JP2 CONNECTED: Environmental Test enabled
- the slow flashing of a zone LED and of the ALARM LED (whether
enabled or not) if the fault involves the detection zone with which the
LED is associated.
• The second provides cyclical control (about every 24 hours) of the
efficiency of both the microwave and the infrared zones. If this type of
control gives negative results (e.g., due to a fault in one of the two
detection zones), this condition is still indicated by the slow flashing of
the zone LED (the one involving the fault) and of the general (ALARM)
LED, in addition to the relevant indication at the FAILURE output (see
Par. 9.15).
9.15 FAULT OUTPUT (FA Terminal - Fault )
The OPEN COLLECTOR output goes to GND in case of a sensor fault
(Imax = 10 mA).
The fault output is activated in case of an internal fault or as a result of
operating voltage values that are out of range (see Par. 9.14).
In such cases, the output remains activated and the LED('s) flash slowly
until the cause of fault is eliminated.
N.B.: In the presence of a fault in one detection zone, the sensor
automatically changes its operating mode:
configuration, in the presence of a fault in one of the two detection zones,
the sensor automatically switches to OR operation and cuts out the faulty
zone;if it is configured for OR operation, in the presence of a fault in one
of the zones, the latter zone is not taken into account. This condition exists
for as long as the fault persists (however,it is indicated, as stated above).
9.16 ENVIRONMENTAL TEST
The environmental test is useful in providing an indication of the amount
of noise the sensor detects in the environment.
To apply this test the MW and PIR zone leds must be enabled and the
sensor must be operating inside an armed system (see Par. 9.2 relative to
"TC". The JP2 jumper must also have the following configuration.
JP2 NOT CONNECTED: Environmental Test disabled
JP2 CONNECTED: Environmental Test enabled
PROCEDURE
1. After enabling the test by connecting jumper, close the sensor cover.
2. The sensor now begins the Environmental Test and adapts its sensitivity
for this purpose.
3. Wait a few seconds without making any movements and check whether
the two zone leds (MW and PIR) light up: if leds remain OFF, it means
there is no appreciable environmental noise.
4. If the respective leds of both zones (MW and PIR) light up
times (even individually), this means that the zone in question (or both
zones)has detected environmental noise; in this case, eliminate the
possible causes of the noise (e.g., draughts for the infrared, or excessive
closeness to fluorescent lamps for the microwave, etc.), and repeat the
test. If the PIR led continues to light up, it is advisable to operate the
SW1 DIP 4 and DIP 5 (see par. 7.0) to reduce detection sensitivity,
while, if the MW zone led continues to go ON, sensitivity should be
reduced (compatibly with the size of the area to be protected) by acting
on the MW RANGE adjustment trimmer (turning toward lower values)
and on the SW1 DIP 3 (maximum delay).
5. The Environmental Test condition lasts for as long as the JP2 jumper is
connected; disconnect the jumper after performing test to restore normal
if it has an AND operation.
dual
edge
x 2
MAX IMMUNITY TO
ENVIRIONMENTAL NOISE
20
PROCEDURE
1. After enabling the test by connecting jumper, close the sensor cover.
2. The sensor now begins the Environmental Test and adapts its sensitivity
for this purpose.
3. Wait a few seconds without making any movements and check whether
the two zone leds (MW and PIR) light up: if leds remain OFF, it means
there is no appreciable environmental noise.
4. If the respective leds of both zones (MW and PIR) light up
times (even individually), this means that the zone in question (or both
zones)has detected environmental noise; in this case, eliminate the
possible causes of the noise (e.g., draughts for the infrared, or excessive
closeness to fluorescent lamps for the microwave, etc.), and repeat the
test. If the PIR led continues to light up, it is advisable to operate the
SW1 DIP 4 and DIP 5 (see par. 7.0) to reduce detection sensitivity,
while, if the MW zone led continues to go ON, sensitivity should be
reduced (compatibly with the size of the area to be protected) by acting
on the MW RANGE adjustment trimmer (turning toward lower values)
and on the SW1 DIP 3 (maximum delay).
5. The Environmental Test condition lasts for as long as the JP2 jumper is
connected; disconnect the jumper after performing test to restore normal
if it has an AND operation.
dual
edge
x 2
MAX IMMUNITY TO
ENVIRIONMENTAL NOISE
20
dual
edge
x 1
SW1 SW1
dual
edge
x 1
SW1 SW1
several
single single
edge
edge
x 2
x 1
SW1 SW1
MAX PROTECTION
OF FACILITIES
several
single single
edge edge
x 2
x 1
SW1 SW1
MAX PROTECTION
OF FACILITIES