DSP-10 User Manual
Page 12 of 26
DSP10_MAN_C
Extension (DIP Switches 2 and 3)
Extension is the time added after a vehicle leaves the detection area. During this interval, the A output will
remain activated, with the intent of allowing the vehicle to fully exit the detection area before the gate begins to
close. If another vehicle arrives during this extension interval, the remainder of the extension time is canceled
and the detector returns to the normal presence state. This interval is indicated by the red Detect LED blinking
fast at 50 milliseconds on followed by 50 milliseconds off repeated until the interval is complete. There are four
intervals to choose from: No extension, 2 seconds of extension, 5 seconds of extension, and 10 seconds of
extension. The choices are summarized in the table below.
DIP Switch
Output A
Extension Time
2
3
OFF
OFF
0 seconds
ON
OFF
2 seconds
OFF
ON
5 seconds
ON
ON
10 seconds
Delay (DIP Switch 1)
Delay is the time added after a vehicle arrives in the detection area but before the A output is activated. During
the delay interval the A output relay will remain de-activated, requiring that the vehicle stay in the detection
area for a full 2 seconds before activating the A output. This is useful at sites where vehicles traveling
perpendicular to the gate may travel across the detection zone. This interval is indicated by the red Detect LED
blinking slowly at 200 milliseconds on followed by 200 milliseconds off repeatedly until the interval is complete.
The delay interval is fixed at 2 seconds.
Indicators
The DSP-10 is equipped with two LED indicators: Power (Green) and Detect (Red).
Power LED –
The green power LED indicates these possible states:
Off
The voltage applied to the detector is less than the minimum display
voltage of approximately 7.75 volts. The LED will be off.
Low Voltage
The voltage applied to the detector is less than the minimum voltage for
proper operation of approximately 10.25 volts. The LED will blink on for
50 milliseconds once every 2 seconds.
Reset in Fail-safe
At the start of a reset event (a DIP switch change, sensitivity change, or
power cycle) the LED will turn off for 500 milliseconds, on for 500
milliseconds, off for 500 milliseconds, off for 500 milliseconds, and then
display its normal state.
Reset in Fail-secure
At the start of a reset event (a DIP switch change, sensitivity change, or
power cycle) the LED will turn off for 500 milliseconds, on for 500
