10
P-300SA1
Dip-
Switch 7
ON
FILTER ACTIVE: this setting determines a 2-second delay between
detecting the metal object and the relay activating. It can be used to
prevent false triggering due to small or fast objects moving through the
detection area or electric barriers nearby. If the object stays in the de
-
tection area for less than 2 seconds, the relay will not activate.
OFF
FILTER NOT ACTIVE
Dip-
Switch 8
Operating mode selection: this setting determines the relay’s reaction when the
vehicle (or metal object) is detected.
ON
Activates PRESENCE mode (see DIP switch 5)
OFF
Activates PULSE mode (see DIP switch 6)
Dip-
Switch 9
The detection device must be reset every time the DIP switch settings are changed.
ON
RESET: to reset, set DIP switch 9 to ON for approx. 2 sec., then switch
it back to OFF. The device is reset and the routine test is run on the
sensing loop.
OFF
NORMAL
WARNING: When the setting of the DIP # 8 is changed, relay outputs vary, too (see
picture - page 28)
RELAY STATE
Relay
Vehicle
present
Vehicle
not
present
Fault
detection
circuit
Detection
device
not powered
PRESENCE
mode
N.O.
(norm. open)
Closed
Open
Closed
Closed
N.C.
(norm. closed)
Open
Closed
Open
Open
PULSE
mode
N.O.
(norm. open)
Closed for
1 sec.
Open
Open
Open
N.C.
(norm. closed)
Open for
1 sec.
Closed
Closed
Closed
During switch-on or reset:
make sure the detection area has been cleared of any bits of metal, tools and vehi
-
cles before switching on or resetting the detector!
TROUBLESHOOTING: CAUSES AND REMEDIES
Self-diagnostics on sensing loop:
Fault detection circuit – Loop open or frequency lower than 20 kHz
• FAULT LED (red LED): 3 flashes, 3-sec. pause, 3 flashes, 3-sec. pause…this sequence
continues until the loop is fixed and the device is then reset.
• BUZZER: 3 beeps, 3-sec. pause, 3 beeps, 3-sec. pause…this sequence is repeated 5
times.
REMEDY: if there is no break in the loop, increase its frequency by adding more turns of wire
to the loop.
GB
