Banner M GAGE Q7M Vehicle Detection Sensors

M-GAGE™ Q7M Flat-PakVehicle Detection Sensor

Features

• Capable of detecting vehicles that have stopped within the sensor’s sensing field

• Flat-Pak sensor fits into a single 3/8" saw cut

• 3-axis magnetoresistive-based technology; senses 3-dimensional changes to the Earth’s magnetic field caused by the presence of ferrous objects

• Easy sensor installation (see page 5); above- or below-ground mounting options

• Compact, robust one-piece, self-contained sensor package replaces inductive-loop sensing technology; no external controller needed

• Designed to minimize the effects of temperature swings and destabilizing magnetic fields

• Sensor learns ambient background and stores settings; sensor will not lose configuration or range when power is cycled

Model Cable* Cable Type Supply Voltage Output Type RangeQ7MB 2 m (6.5') cable

26 gage/5-wire shielded cable with 0.160" diameter

polyethylene jacket10 to 30V dc Bipolar

NPN/PNP**

Range varies, dependingon application and target being

sensed.

See Figures 6 and 7

Q7MB W/15 5 m (15') cable

Q7MB W/30 9 m (30') cable

Q7MB W/50 15 m (50') cable

Q7MB W/100 30 m (100') cable

Q7MBQ5-pin Euro-style

QD pigtail,150 mm (6")

26 gage/5-wire cablewith PVC jacket

Models

WARNING . . . Not To Be Used for Personnel Protection

Never use these products as sensing devices for personnel protection. Doing so could lead to serious injury or death.These sensors do NOT include the self-checking redundant circuitry necessary to allow their use in personnel safety applications.

A sensor failure or malfunction can cause either an energized or de-energized sensor output condition. Consult your current Banner Safety Products catalog for safety products which meet OSHA, ANSI and IEC standards for personnel protection.

WARNING . . . Appropriate Use – Overhead Doors

The mechanical opening, braking, and reversing systems of the door will not respond in sufficient time to prevent moving trucks, cars, or material handling vehicles, even those traveling at low speeds, from coming in contact with the door. In

addition, the detection zone of the product may fluctuate due to changes in the local magnetic environment. All vehicles should approach doors at speeds that allow the operator to ensure the door is operating properly and in an open position. Failure to follow these procedures may result in serious injury or death.

* Other cable lengths are available – up to 60 m (200'); consult factory for more information. A model with a QD connector requires a mating cable; see page 8.

** Consult factory for other output options.

†U.S. patent #6,546,344 B1

Clearwater Tech - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.clrwtr.com - Email: [email protected]

M-GAGE™ Q7M Flat-Pak – Vehicle Detection Sensor

Overview

The M-GAGE Q7M Flat-Pak sensor uses a passive sensing technology to detect large ferrous objects. The sensor measures the change in the the Earth’s natural magnetic field (ambient magnetic field) caused by the introduction of a ferromagnetic object.

The M-GAGE Q7M Flat-Pak sensor provides a direct replacement for inductive loop systems, and needs no external frequency box. Its unique design allows quick installation within a single 3/8" saw cut. For applications where pavement has not been poured, consider the M-GAGE S18M, which can be mounted or replaced without disrupting the pavement.

For best performance, mount the sensor below-grade, in the center of the traffic lane. The M-GAGE also may be mounted above-ground (see page 5).

Theory of OperationThe sensor uses three mutually perpendicular magnetoresistive transducers. Each transducer detects magnetic field changes along one axis. By incorporating three sensing elements, maximum sensor sensitivity is achieved.

A ferrous object will alter the local (ambient) magnetic field surrounding the object, as shown in Figure 1. The magnitude of this magnetic field change is dependent both on the object (its size, shape, orientation, and composition) and on the ambient magnetic field (its strength and orientation).

During a simple programming procedure, the Q7M sensor measures the ambient magnetic field. When a large ferrous object (for example, a truck, automobile, or rail car) alters that magnetic field, the sensor detects the magnetic field changes (anomalies). When the degree of magnetic field change reaches the sensor’s threshold, the sensor’s discrete outputs switch.

Sensor Field of View and RangeThe sensor range depends on three variables:

1. The local magnetic environment (including nearby ferrous material)2. The magnetic properties of the object to be sensed3. Sensor settings

The Q7M can detect changes in the ambient magnetic field in all directions. As with other sensors, the range will depend on the target. The strong disturbance of a large ferrous object decreases as distance from the sensor increases, and the magnitude and shape of the disturbance is dependent on the object’s shape and content.

The sensor can be programmed to react to magnetic field disturbances of greater or lesser intensity, using two adjustments: background condition and sensitivity level.

Once background condition and sensitivity level are set, and both settings are stored in non-volatile memory, the sensor is ready to detect the target object.

NOTE: The Q7 will continue to sense a vehicle in its sensing field, even when the vehicle is stopped.

A. Baseline magnetic field, with slight disturbances caused by permanent ferrous-metal objects within or near the sensor, then . . .

B. After a large steel object is introduced. The sensor detects differential (magnetic strength and orientation) between fields A and B. If the differential is greater than the sensitivity threshold, the sensor’s outputs conduct.

Figure 1. Magnetic detection overview



BN BU GY WH or BK

Sensor Configuration

The sensor is configured via its gray Remote wire. The gray wire is always active and the sensor may be re-taught at any time. For optimum performance, fixture the sensor so that it will not move either during or following configuration.

Programming pulses may be executed by connecting the sensor gray wire to sensor common (blue wire) with a normally open mechanical button connected between them, or as a low (< 2V dc) signal from a programmable logic controller (PLC), or using the model DPB1 Portable Programming Box, as shown in Figure 3. When a PLC is used for configuration, the pulses are acknowledged via the sensor output signal.

When the DPB1 is used, the pulses are accomplished by “clicking” the DPB1 TEACH push button (0.04 seconds ≤ “click” ≤ 0.8 seconds). Sensor output status is reflected by the DPB1 Output indicator LED.

BN BU GY WH or BK

Figure 3. Connecting to the model DPB1 portable programming box

Configuration/Output ON LED

(Red/Yellow)

Power ON LED (Green)

Figure 2. Sensor featuresSet Background Condition (No Vehicle Present) Connect M-GAGE sensor as described above.

Configuration(0.04 seconds ≤ “T” ≤ 0.8 seconds) Result

Set

Back

grou

nd

• Remove all temporary metal objects from the sensing area. • Single-pulse the remote wire.

• Sensor learns background.• Output LED flashes approx.

12 times, while background is taught.

• Sensor returns to RUN mode.

Set Sensitivity Level (level 1 least sensitive, level 6 most sensitive)

Configuration(0.04 seconds ≤ “T” ≤ 0.8 seconds) Result

Acce

ss

Sens

itivi

ty M

ode • Double-pulse the remote wire. • Output LED flashes 1 to 6 times

every 2 seconds to indicate sensitivity level (e.g., twice indicates level 2).

• When DPB1 is used: Sensor always begins at level 1.

Adju

st

Sens

itivi

ty

• To increase the sensitivity in increments, single-pulse the remote wire again; continue until desired sensitivity level is reached.

• Output LED flashes 1 to 6 times every 2 seconds to indicate sensitivity level (e.g., twice indicates level 2).

• Double-pulse the remote wire to save setting. • Sensor returns to RUN mode.

Test

Op

erat

ion • Drive a vehicle past/over the sensor to trip

the output. (Use a small/lightweight vehicle to ensure larger vehicles will be detected later.)

• Verify Output LED comes ON as expected.

• Adjust the sensitivity as needed.

Prep

are

for

Oper

atio

n

• Disconnect DPB1 or other temporary switch used for configuration and connect sensor to permanent power supply/output device (user-supplied; see page 8).

T T T T

T

T TT T T

T T

T T

> 2 seconds

T T T T

T

T TT T T

T T

T T

> 2 seconds

T T T T

T

T TT T T

T T

T T

> 2 seconds

T T T T

T

T TT T T

T T

T T

> 2 seconds



Distancefrom vehicle

M-GAGE

M-GAGE

NOTE: Sensor orientation is not a factor.

Top View

Side View 2.5 m(8.0')

2.0 m(6.4')

1.5 m(4.8')

1.0 m(3.2')

0.5 m(1.6')

0

Distance from Vehicle Side

Exce

ss G

ain

(Sen

sitiv

ity L

evel

)

0

1

2

3

4

5

6

7

8

(3)

(5)

Out

put O

FFO

utpu

t ON

Threshold

0

6 m (19') vehicle depicted

Top View

Side View

0.25 m(0.8')

M-GAGE

M-GAGE

NOTE: Sensor orientation is not a factor.

Distance fromthe vehicle

1.2 m(4')

-1.2 m(-4')

2.4 m(8')

-2.4 m(-8')

3.7 m(12')

4.9 m(16')

6.1 m(20')

7.3 m(24')

Excess Gain

Typical Target Excess Gain CurvesOnce the sensor has been securely mounted and is configured, it is ready to operate. The following two example applications show typical responses for the M-GAGE sensor.

Figure 4 (example 1) describes mounting the M-GAGE 1 meter above the ground to sense an automobile. The graph in Figure 4 shows the excess gain for a typical car. Excess gain is a measure of the amount of “extra” signal detected by the sensor over and above the level needed to detect the target. The table at left compares the change in excess gain if the sensitivity level changes.

If the sensitivity is at level 6, then the excess gain at a given distance would be1.3 times larger than for a level 5 sensitivity. Conversely, if the sensitivity threshold is level 1, then the excess gain would be one third as big as for level 5.

Figure 5 (example 2) illustrates a typical vehicle passing over a sensor mounted underground. Note that excess gain is greatest when the bulk of the vehicle (the rear axle) is positioned directly over the sensor.

Excess Gain vs Sensitivity Level (Assumes Level 5)

Level Excess Gain Multiplier

1(least sensitive)

0.33

2 0.4

3 0.5

4 0.66

5* 1.0

6(most sensitive)

1.3

* Factory default setting

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Figure 4. Application example 1: sensor mounted 1 meter (3.2') above ground

Figure 5. Application example 2: sensor mounted 0.25 meters (0.8') below ground



Below-Grade Installation

Optimally, the Q7M Flat-Pak should be mounted in the center of the vehicle traffic lane (see Figure 8). The axles of the vehicles provide the most effective and most repeatable magnetic field changes. When replacing an inductive loop, the geometric center of the failed loop is typically a good location for mounting.

For applications at the “side” of the traffic lane, consideration must be made for movement of metallic objects within a few feet of the sensor on the side opposite the traffic lane, even if the activity is not visible (e.g., behind a wall, or inside a building). Consult a Banner Applications Engineer with any questions.

The M-GAGE Q7M Flat-Pak sensor’s narrow housing allows the sensor to be mounted in pavement, within a single 3/8" saw cut. The depth of the cut into the pavement is not critical; saw cut depths of 2" to 4" are typical. Consult Banner Engineering Applications if planning to install the sensor more than 24" below final grade. The sensor cable will fit into a slot as narrow as 1/4". If a blade smaller than 3/8" thick is used, make a “double-cut” where needed to accommodate the sensor width. Rebar or other metal embedded in the pavement will not affect the sensor’s performance.

CAUTION: Take care to avoid any utilities, including heated floors, when cutting into pavement or floors.

Use an air hose to remove loose particles and moisture from the saw cut. Lay the sensor and cable into the saw cut, with the cable extending back to the control cabinet. Fill the saw cut with loop or pavement sealant. Do NOT fill the saw cut with heated asphalt. Work the sealant around the sensor and cable with a thin object, to eliminate any trapped air gaps.

To remove the Q7M Flat-Pak, simply pull the sensor cable straight up, from the control cabinet end. This will pull the cable, the cured sealant and the sensor from the saw cut.

Above-Grade Installation

NOTE: For optimal performance in detecting vehicles, mount the M-GAGE below-grade, in the center of the traffic lane (see Figure 8). In applications where the sensor must be mounted to the side of the vehicle traffic lane (e.g., in a kiosk, menu board, or gate control box), make sure that no other moving metal objects can affect the M-GAGE sensor. Consult a Banner representative for further information.

The Q7M Flat-Pak is “non-directional”; the sensor can be mounted in any position.

For above-grade mounting, the end caps provide mounting holes at either end of the sensor. Select a location as close as possible to the vehicle(s) to be detected. Using the end cap mounting holes, mount to any desired surface (e.g., cement or metal).

When mounting a QD-cable model, it is recommended to route the cable through conduit for protection from environmental conditions, but the integral cable needs no such protection.

Figure 6. Sensor placed in saw cut in pavement Figure 7. Above-ground installation, using the mounting holes in the sensor’s end caps

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TIP: Sensor may be mounted inside a non-ferrous architectural detail for cosmetic or security reasons. It is important that, wherever it is mounted, the sensor is securely attached during configuration and all later use. If the sensor moves after being taught, detection errors may occur and sensor must be re-taught. If a sensor appears to “lose its memory,” it may be a resultof having shifted position after setup.



Figure 8. Examples of both good and bad sensor placement

Good PlacementThe drawing at left shows the optimum placement of M-GAGE sensors for vehicle detection. When the sensor is positioned in the middle of the traffic lane, it can be configured to a lower sensitivity level and still detect vehicles in the lane of interest only. This is known as lane separation, or not detecting a vehicle in an adjacent lane.

A lower sensitivity level also aids the sensor in vehicle separation – detecting a break between the back bumper of a leading vehicle and the front bumper of the next vehicle. With proper placement and configuration, the M-GAGE can achieve vehicle separation with distances of 24" or less between vehicles.

Bad PlacementThe drawing at left depicts a potential problem installation. While mounting the sensor at the side of a lane may be successful, this mounting location increases the potential for problems. To reliably detect a vehicle from the side, the sensor sensitivity must be increased in order to see objects further away in the lane of interest. Unfortunately, this enables the sensor to also detect a lawn mower operating “behind” the sensor or vehicles in adjacent lanes, which will cause false counts.

Place the M-GAGE sensor at the edge of a traffic lane only if there is no possibility of other objects being detected by the sensor. A good rule of thumb: ensure that no vehicles will be within 10' of the sensor on the non-traffic side.

Installation Placement Considerations



Supply Voltage 10 to 30V dc (10% max. ripple) at 43 mA, exclusive of load Above +50° C, supply voltage is 10 to 24V dc (10% max. ripple)

Sensing Range See Figures 4 and 5.

Sensing Technology Passive 3-axis magnetoresistive transducer

Supply Protection Circuitry

Protected against reverse polarity and transient voltages

Output Configuration Two SPST solid-state outputs conduct when object is sensed; one NPN (current sinking) and one PNP (current sourcing).

Output Protection Protected against short-circuit conditions

Output Ratings 100 mA maximum (each output) NPN saturation: < 200 mV @ 10 mA and < 600 mV @ 100 mA; OFF-state leakage current: < 200 microamps PNP saturation: < 1.2V @ 10 mA and < 1.6V @ 100 mA; OFF-state leakage current: < 5 microamps

Output Response Time 20 milliseconds

Delay at Power-Up 0.5 seconds

Temperature Effect < 0.5 milligauss/°C

Adjustments Configuration of Background Condition and Sensitivity Level may be set by pulsing the gray wire remotely via the portable programming box (see page 3).

Indicators Two Indicators (see Figure 2 and instructions on page 3): Power Indicator (Green) Configuration/ Output Indicator (Red/Yellow)

Remote TEACH Input Impedance 12K ohms (low = < 2V dc)

Construction Housing: Anodized aluminum End Caps: Thermoplastic polyester

Operating Conditions -40° to +70°C (-40° to +158° F); 100% max. rel. humidity

Connections Shielded 5-conductor (with drain) polyethylene jacketed attached cable or 5-pin Euro-style quick-disconnect PVC pigtail (see page 8 for quick-disconnect cable options)

Environmental Rating Leak proof design is rated IEC IP69K; NEMA 6P

Vibration and Mechanical Shock

All models meet Mil. Std. 202F requirements method 201A (vibration: 10 to 60 Hz max., double amplitude 0.06", maximum acceleration 10G). Also meets IEC 947-5-2; 30G 11 ms duration, half sine wave.

Certifications

Specifications

Product protected by U.S. Patent #6546344B1



P/N 117172 rev. B

WARRANTY: Banner Engineering Corp. warrants its products to be free from defects for one year. Banner Engineering Corp. will repair or replace, free of charge, any product of its manufacture found to be defective at the time it is returned to the factory during the warranty period. This warranty does not cover damage or liability for the improper application of Banner products. This warranty is in lieu of any other warranty either expressed or implied.

Quick-Disconnect CablesStyle Model Length Connector Style Model Length Connector

5-Pin Euro,

Straight with

shield

MQDEC2-506 MQDEC2-515 MQDEC2-530

2 m (6.5') 5 m (15') 9 m (30')

5-Pin Euro, Right-angle with

shield

MQDEC2-506RA MQDEC2-515RA MQDEC2-530RA

2 m (6.5') 5 m (15') 9 m (30')

M12 x 1

ø 15 mm(0.6")

44 mm max.(1.7")

38 mm max.(1.5")

M12 x 1

ø 15 mm(0.6")

38 mm max.(1.5")

Accessories

DPB1 Handheld Portable Programming Box, used for configuring sensor. Battery-powered, with optional 115V ac power supply.

111367 Optional 115V ac power supply for DPB1 Handheld Portable Programming Box

PC

IR

O U T P U T

R E M O T E

PR

OG

RA

M

TE

AC

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PO

RTA

BL

E

PR

OG

RA

MM

ING

BO

X

15-24 VDC

CO

MM

.

AC

TIV

E

PO

WE

R

N P N P N P

A B

C D

+ SE

NS

OR

VO

LTA

GE-

Dimensions Hookups

Cabled Model

Quick-Disconnect Model

Pin-Out

bn

Remote Program

buwhbkgy

+10 - 30V dc

–

LoadLoad

100 mA max. load

Shield

White Wire

Blue WireBlack Wire

Brown Wire

Gray Wire

bn

Shield

Remote Program

buwhbkgy

+10 - 30V dc

–

LoadLoad

100 mA max. load

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® Model SIM-525T Sensor Interface ModulePower Supply for use with 12-30V dc Sensors

Features

• Simple DIN-rail mount

• Indicators for Power ON and Output Active

• Includes sensor TEACH push button

• Additional terminals provide in-situ data collection for some sensors

Overview

The SIM-525T is a passive DIN-rail-mountable module that allows additional status indicators to be located in the user’s control cabinet. It also provides a Remote TEACH push button for interfacing to any Banner 5-wire Expert product.

It is designed to provide remote indication and Teach capability for Banner M-GAGE® and T-GAGE® sensors, when their mounting does not allow easy access to the sensor (as when mounted underground or sealed in pavement, for example).

The module also features two separate “tie points” to allow for a sensor signal capture when using the Banner DPB1 Programming Box and sensor-specific monitor software. The tie points also can be used as a Teach input by the user’s PLC.

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Dimensions Typical Hookup

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See reverse for additional hookup options.

Supply Voltage 12 to 30V dc Environmental Rating IP 00

Output Rating 100 mA Agency Approvals Due to device’s passive nature, no approvals are planned.

Specifications


Model SIM-525T Sensor Interface Module

P/N 123240


Advanced Hookup

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Additional Hookups

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Typical Interface – M-GAGE in Pavement with PLC I/O

Typical Interface – To Timer or Relay

Optional Function –Data Capture; Monitor Software Interface with M-GAGE In-Situ

Typical Interface – With Banner Expert Sensor to provide Remote Teach Button*


Models PS24-1.. and PS115-1.. Sensor Interface ModulesAC Power Supply Interfaces for Use with dc-Operated Sensors

Features

• Low-cost interface between ac power supply and dc-operated sensors

• Power supply can source up to 100 milliamps

• Integral TEACH push button and remote TEACH function available on all models

• Integral SPDT relay isolates dc sensor output for ac applications

• LED indicators for Power ON and Output Active

• Easy-to-adjust 45° screw terminals for all electrical wiring

• Multiple mounting configurations using supplied hardware

• BENC-L enclosure available for NEMA 4X / IP55 applications (see page 4)

• Use a sinking (NPN) interface module model with an NPN-output sensor, and a sourcing (PNP) interface module model with a PNP-output sensor.

Models

Models Input Output Relay Input*

PS24-1N 21 to 27V ac, 50/60 Hz

100 mA

Sinking (NPN)

PS24-1P Sourcing (PNP)

PS115-1N 105 to 130V ac, 50/60 Hz

Sinking (NPN)

PS115-1P Sourcing (PNP)

* NOTE: A sinking (NPN) interface module model must be used with an NPN-output sensor, and a sourcing (PNP) interface module model must be used with a PNP-output sensor.

Figure 1. Voltage regulation vs. load

Overview

This interface module combines the functions of a power supply, a TEACH button, and an SPDT relay to economically interface dc-operated sensors for ac applications. The interface accepts either a 24V ac or 115V ac power supply, depending on model. It uses a transformer to isolate the input power supply from the dc sensor. The transformer output voltage is rectified and filtered to supply up to 100 milliamps to run dc sensors.

An integral TEACH push button can be used to activate the TEACH functions of a Banner Expert™ sensor. Remote TEACH capability also is available on all models (refer to hookups and sensor literature).

The SPDT relay is controlled via the relay coil input. A dc sensor output (either sinking or sourcing, depending on interface module model) can be tied to the relay coil input.

The module Yellow LED is ON when the sensor output is active. The module Green LED is used as a Power indicator (see Figure 2).

NOTE: For sensor supply voltage and current requirements, refer to Figure 1.

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Optional mounts; plastic housing and brackets included (DIN rail not included)

Module


Models PS24-1.. and PS115-1.. Sensor Interface Modules

Installation

The module must be isolated from conductive surfaces. It may be installed in a user-supplied housing using the four slots in the board’s corners, or it may be inserted into the supplied plastic housing.

If the supplied housing is used, either insert the two DIN clips into the grooves on the housing’s underside and add the two end caps (as shown in Figure 3), or install only the end caps and use the screw-holes in the end caps for mounting to a flat surface. Screws are provided for attaching the end caps to the housing.

Figure 3. PCB and housing assembly

Figure 2. Features

Yellow LED Output Indicator

Green LED Power Indicator

Momentary Teach Button



PS24-1.. PS115-1..Input Supply Voltage 21 to 27V ac, 47/63 Hz 105 to 130V ac, 47/63 Hz

Voltage and Current Output Rating 100 mA, exclusive of relay coil input; see Figure 1 for load curves

Relay Input Voltage Range 12 to 30V dc

Relay Input Resistance 470 ohms ±10%

Relay Output Rating SPDT Relay Maximum Switched Power: 150W, 1200VA Maximum Switched Current: 5A (resistive load) Maximum Switched Voltage: 30V dc, 250V ac Minimum Current and Voltage: 10 mA at 5V dc Mechanical Life: 10,000,000 operations Electrical Life: 100,000 operations at full load

Relay Response Time 10 milliseconds

Adjustments TEACH push button

Indicators Green LED: Power applied Yellow LED: Relay coil energized (output active)

Construction Circuit board is shipped separate from housing. Plastic housing, end caps and DIN rail mounting hardware are supplied for user assembly.

Environmental Rating IP00; use BENC-L enclosure for NEMA 4X / IP55 rating (see page 4).

Connections Screw-clamp terminal block accepts 12 to 24 gauge wire

Operating Conditions Temperature: -40° to +70° C (-40° to +158° F) Max. Relative Humidity: 90% at 50° C (+122° F) (non-condensing)

Certifications CSA and UL approvals pending

Specifications

Dimensions

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Module Plastic Housing Assembly



P/N 123566 rev. A


Hookups

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PNP (Sourcing) Input NPN (Sinking) Input

Model Description

BENC-L

• Corrosion-resistant plastic enclosure with clear polycarbonate cover to protect module

• Rated NEMA 4X, IP55 • Includes o-ring and 4 each:

1/4" - 20x30 and #8 self-tapping screws

• Temperature rating -40° C to +70° C (-40° F to +158° F)

Accessories

* AUX is an electrically isolated terminal.

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Documents

Banner M GAGE Q7M Vehicle Detection Sensors