SINGLE
I
General
The Model BX-LP is a low power loop detector for solar or low power installations. To minimize power
consumption the detector's DET (Detect) LED will only light during the three minutes immediately following
initial power-up or detector reset. After the three minutes the DET (Detect) LED is will not light, but the detector
continues to function normally.
Please verify source voltage before applying power. The model designation indicates the input power required
and output configuration for the detector as follows:
Model BX-LP-xx
The input voltage range, and current consumption figures for the various versions of the detector are listed in the
table below.
Model
Input Voltage
Current
Consumption*
NOTES:
* Current consumption is a function of the sensitivity. See the table in the "Front Panel Rotary
Switch (Sensitivity)" section for actual current draw at each of the sensitivity settings.
** Add 6.0 mA for each lit (DET and/or Fail) LED.
II
Indicators and Controls
i
Detect / Fail LEDs
The detector has two red LED indicators that are used to provide an indication of the detector's output state
and/or loop failure conditions. The DET (Detect) LED is only activated during the three minutes immediately
following initial power-up or detector reset. The table below lists the various indications and their meanings.
Status
Off
On
Flash
The DET (Detect) LED will only turn on or flash during the three minutes
NOTE:
immediately following initial power-up or reset of the detector. After the three
minutes immediately following initial power-up or detector reset, the Detect
LED is deactivated, but the detector continues to function normally. The FAIL
(Loop Fail) LED provides the indications shown above at all times.
MODEL BX-LP SERIES
CHANNEL LOOP DETECTOR
OPERATING INSTRUCTIONS
Blank = 12 VDC with Relay Outputs
24 = 24 VDC with Relay Outputs
SS = 12 VDC / 24 VDC with Solid State Outputs
Relay Outputs
BX-LP
10 to 14 VDC
3.3 to 7.0 mA in No Detect State
35 to 40 mA in Detect State
(Output A Presence / Output B Pulse)
60 to 65 mA in Detect State
(Output A Presence / Output B Presence)
DET (Detect) LED
Output(s) Off
Output(s) On
4 Flashes per Second
(50% duty cycle)
Two second timing delay activated
Solid State Outputs
BX-LP-24
20 to 28 VDC
FAIL (Loop Fail) LED
Loop OK
N/A
1 Hz (50% duty cycle)
Loop Failure
One flash every five seconds
Prior Loop Failure
3510 E. Atlanta Ave.
Phoenix, AZ 85040 USA
Telephone: (480) 968-6407
Fax: (602) 437-1996
Website: www.editraffic.com
E-mail: contact@editraffic.com
BX-LP-SS
10 to 28 VDC
3.3 to 7.0 mA**
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