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The USB-LP-2 vehicle detector senses metallic objects near connected induction loops. The detector is
able to simultaneously monitor two vehicle detection loops and provide vehicle presence indication for
each loop separately. Each loop channel has two configurable relay outputs (four total) that can be used
to transmit vehicle presence status to a gate/door operator. The USB-LP-2 also has a USB communication
interface that can be used to change settings and receive vehicle detection information in real time. The
detector has mounting holes to attach the provided DIN rail mounts for easy and seamless mounting.
USB-LP-2, includes:
Specifications
Power
Draw Current (Standby/Detect)
Loop Frequency
Loop Inductance
Surge Protection
Relay Outputs
Contact Rating (Resistive Load)
Operating Temperature
Environmental Rating
Connections
USB Connector
Dimensions (L x W x H)
EMX Industries, Inc.
USB-LP-2 Operating Instructions
USB-LP-2
Low-Voltage Vehicle Loop Detector
With USB functionality and Two Loop Channels
One USB-LP-2 PCB
12-30 VDC or 12-24 VAC
40mA + 30mA per active relay
4 settings (low, med-low, med-hi, high)
20-2000 µH (Q factor ≥ 5)
MOVs + EMI Filters
Four Relays (Two for each channel)
2 A @ 30 VDC, 0.5 A @ 125 VAC
-30º to 150ºF (-34º to 65ºC) 0 to 95% relative humidity
None
17 Screw Terminals
USB Mini-B
145 mm (5.75") x 83 mm (3.25") x 34 mm (1.25")
Tech Support: 216-518-9889
technical@emxinc.com
Two DIN mounts + 4 Screws
1/13
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Related Manuals for EMX USB-LP-2
Summary of Contents for EMX USB-LP-2
- Page 1 Each loop channel has two configurable relay outputs (four total) that can be used to transmit vehicle presence status to a gate/door operator. The USB-LP-2 also has a USB communication interface that can be used to change settings and receive vehicle detection information in real time. The detector has mounting holes to attach the provided DIN rail mounts for easy and seamless mounting.
- Page 2 DIP switches or USB. This will flip which terminals are normally open and closed. USB Connector The USB-LP-2 has a single USB Mini-B connector located to the left of the screw terminals. This USB interface can be used to receive real-time detection status and reprogram settings/sensitivity. For more information on USB communication, go to page 7.
- Page 3 5. Channel Status Indicator 6. Channel Detect Indicator Healthy Loop Solid Green Presence Detected Solid Red Current Loop Fault Constant Flashing No Presence Previous Loop Fault Intermittent Flashing EMX Industries, Inc. Tech Support: 216-518-9889 3/13 USB-LP-2 Operating Instructions technical@emxinc.com...
- Page 4 Turns Detect-On-Stop On or Off for the corresponding channel. Detect-On-Stop will require the detecting object to come to a complete stop for about two seconds before the detector activates. EMX Industries, Inc. Tech Support: 216-518-9889 4/13 USB-LP-2 Operating Instructions technical@emxinc.com...
- Page 5 When AB logic is turned on, channel 1 will activate if a vehicle first enters loop1 and then proceeds to loop2. Channel 2 will activate if a vehicle first enters loop2 and then proceeds to loop1. EMX Industries, Inc. Tech Support: 216-518-9889 5/13 USB-LP-2 Operating Instructions technical@emxinc.com...
- Page 6 Pack tightly and replace gravel or soil over top. GENERAL INSTALLATION GUIDELINES Use EMX lite preformed loops for quick, reliable installations. • It is not recommended to install a loop near power lines (overhead or underground) or low voltage lighting.
- Page 7 USB Communications 1. This section defines the communications between the USB-LP-2, termed the “Sensor”, and a computer or other entity to which it is connected, termed the “Host”. The sensor is intended to engage in two- way communications only. 2. All communications are in 7-bit ASCII and are in the form of either a packet or of a two-character negative acknowledgment ( ?<cr>...
- Page 8 A ‘?’ for every Nak. g. A <cr> to end every packet and Nak. h. A single optional <lf> sent to the Sensor immediately following a <cr> sent to it. EMX Industries, Inc. Tech Support: 216-518-9889 8/13 USB-LP-2 Operating Instructions technical@emxinc.com...
- Page 9 1 (1/0) = Loop-1 relay B energized/de-energized. bit 2 (1/0) = Loop-2 relay A energized/de-energized. bit 3 (1/0) = Loop-2 relay B energized/de-energized. !re1<cr> = Incorrect number of Data Items EMX Industries, Inc. Tech Support: 216-518-9889 9/13 USB-LP-2 Operating Instructions technical@emxinc.com...
- Page 10 Any but not all of the Data Items may be missing. Responses: !S<cr> = Command accepted and processed !Se1<cr> = Incorrect number of Data Items. !Se2<cr> = Invalid Data Item. !Se3<cr> = All five Data Items missing. EMX Industries, Inc. Tech Support: 216-518-9889 10/13 USB-LP-2 Operating Instructions technical@emxinc.com...
- Page 11 3,2 = Past fault; same encoding as current fault. b = Loop-2 faults (0 through Fh); same encoding as loop-1 faults. !ue1<cr> = Incorrect number of Data Items. EMX Industries, Inc. Tech Support: 216-518-9889 11/13 USB-LP-2 Operating Instructions technical@emxinc.com...
- Page 12 Informs the Host that the fault status of one or both loops has changed. Notification: @u,a,b<cr> Where the two Data Items are the same as those returned by the !u Command. EMX Industries, Inc. Tech Support: 216-518-9889 12/13 USB-LP-2 Operating Instructions technical@emxinc.com...
- Page 13 See the images below. Vertical Mounting Style Horizontal Mounting Style Warranty EMX Industries, Inc. products have a warranty against defects in materials and workmanship for a period of two years from date of sale to our customer. EMX Industries, Inc. Tech Support: 216-518-9889...
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