PreView Sentry ST87 Series Manuel utilisateur

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PreView®Sentry™

ST82 & ST87

Series

Sensor

Operating Manual

Contents

Overview ..................................................................................................................1

Product Description............................................................................................1

Other Sensor Features .......................................................................................3

Sensor Interfaces and Configuration .....................................................................4

Communication ..................................................................................................4

Alarm Output ......................................................................................................4

Sensor Input .......................................................................................................4

Cable Connection ...............................................................................................4

Technical Data....................................................................................................6

Regulatory Compliance ...........................................................................................8

Installation...............................................................................................................9

Sensor Mounting ................................................................................................9

Mounting Tolerances..........................................................................................9

Keep Out/Interference Zones..........................................................................10

Sensor Mounting Procedure ............................................................................10

Troubleshooting ....................................................................................................12

Object Detection Capability...................................................................................13

Notes on Safety and Risks....................................................................................15

Owner Responsibilities.....................................................................................15

PreView®Sentry™Daily Maintenance...................................................................16

Warranty Information ............................................................................................18

Figures

Figure 1. PreView®Sentry™Radar Sensor..................................................... 1

Figure 2. Adjustable Detection Zone ............................................................. 2

Figure 3. Detection Zone 6 m ........................................................................ 3

Figure 4. Detection Zone 30 m...................................................................... 3

Figure 5. Deutsch Connector Pin Out (ST87 Series) ..................................... 5

Figure 6. Conxall Connector Pin Out (ST82 Series)....................................... 5

Figure 7. Sentry™Dimensions (ST87 Series)................................................. 6

Figure 8. Sentry™Dimensions (ST82 Series)................................................. 6

Figure 9. Sensor Specifications ..................................................................... 7

Figure 10. Vertical and Horizontal Angle Mounting Tolerances ...................... 9

Figure 11. Keep Out Zones ............................................................................10

Figure 12. Provided SD-BK90 (90° Mounting Bracket)................................11

Figure 13. ST-ASB (Adjustable Mounting Bracket) ........................................11

Figure 14. Object Reflection...........................................................................14

FCC STATEMENT

This device complies with Part 15 of the FCC Rules. Operation is subject to

the following two conditions: (1) this device may not cause harmful

interference, and (2) this device must accept any interference received,

including interference that may cause undesired operation.

Warning: Changes or modifications to this unit not expressly approved by

the party responsible for compliance could void the user’s authority to

operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits

of a Class B digital device, pursuant to Part 15 of the FCC Rules. These

limits are designed to provide reasonable protection against harmful

interference in a residential installation. This equipment generates, uses,

and can radiate radio frequency energy and, if not installed and used in

accordance with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not

occur in a particular installation. If this equipment does cause harmful

interference to radio or television reception, which can be determined by

turning the equipment off and on, the user is encouraged to try and correct

the interference.

INDUSTRY CANADA STATEMENT

Per RSS-Gen, Section 8.4 This device complies with Industry Canada

license-exempt RSS standard(s). Operation is subject to the following two

conditions: (1) this device may not cause interference, and (2) this device

must accept any interference, including interference that may cause

undesired operation of the device.

Par RSS - Gen, Section 8.4 Cet appareil est conforme àIndustrie Canada

exempts de licence standards RSS. Le fonctionnement est soumis aux

deux conditions suivantes : (1 ) ce dispositif ne peut pas provoquer

d'interférences et ( 2) cet appareil doit accepter toute interférence , y

compris les interférences qui peuvent causer un mauvais fonctionnement

de l'appareil.

TRADEMARKS

The names of actual companies and products mentioned herein may be

the trademarks of their respective owners. Any rights not expressly

granted herein are reserved.

Patent pending.

Tel: +386 3 4900 800

http://radar-electronics.com/

3702008A

Page 1

Overview

This document describes the PreView®Sentry™radar sensor manufactured

by PRECO Electronics®, located in Boise, Idaho, USA. The document does

not claim to cover all the possible applications or deployment areas for

these devices. This document may be amended, corrected, and enhanced

in keeping with the sensor development progress.

Product Description

The PreView®Sentry™is a small, rugged, short/medium range radar sensor

trucks/busses, construction, mining, waste, utilities, and other applications

requiring a robust, high-performance radar. This frequency band is legal

throughout most of the world, but check with PRECO Electronics®or your

country’s regulations before purchasing.

Figure 1. PreView®Sentry™Radar Sensor

The Sentry™works in adverse weather conditions, has a wide operating

temperature range, is sealed to meet IP69K, withstands high vibration and

shock levels, and is maintenance free.

Using a frequency modulated transmit waveform, the Sentry™measures

radial range, speed and angle, reflectivity, and other parameters of

multiple stationary and moving targets simultaneously. This radar sensor

has a wide horizontal field of view up to +/-75°, providing coverage

flexibility to be a solution for virtually any application. Figure 2 illustrates

an example of the Sentry™sensor’s adjustable detection zone.

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3702008A

Page 2

Figure 2. Adjustable Detection Zone

The Sentry™has multiple models with preconfigured detection zones: both

range and width of detection zone. Note: the www.preco.com website

contains the most current data on radar sensor models.

Sentry™ST87 Series radar sensors include an 8-pin Deutsch connector

pigtail as shown in Figure 1. The Sentry™ST82 Series radar sensors use

an 8-pin Conxall connector on the back of the radar.

The Sentry™model numbering system is as follows:

Model ST8XYYZ, where:

X defines the connector type - 7 is for Deutsch and 2 is for

Conxall

YY defines the sensor’s detection range in meters

Z defines the detection width in meters

Example: Model ST87063 describes a sensor with a

Deutsch connector, a 20 feet (6 m) detection range and a

10 foot (3 m) detection width.

Please contact PRECO Electronics®or refer to www.preco.com for available

model numbers.

Tel: +386 3 4900 800

http://radar-electronics.com/

3702008A

Page 3

Figure 3 illustrates a truck backing application with the radar detection

zone set to a range of 6 m and a width of 3 m.

Figure 3. Detection Zone 6 m

Figure 4 illustrates a mining haul truck backing application with the radar

detection zone set to a range of 30 m and a width of 10 m.

Figure 4. Detection Zone 30 m

The sensor is active and starts reporting detections within 300

milliseconds (ms) after power up.

The Sentry™performance is not affected by other PreView®Sentry™or

similar sensors operating in close proximity with each other.

Other Sensor Features

The Sentry™sensor has a continuous Built-In-Self-Test (BIST) that notifies

the operator display of sensor failure within a fraction of a second. This

test functions by monitoring the transmit and receive performance as well

as other internal operations.

The Sentry™sensor can also determine if the face of the sensor is blocked

with excessive ice, mud, or snow that is impeding proper operation. This

blockage is then reported to the operator display.

Both the self-test and blockage detection features are important to fail-

safe operation.

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3702008A

Page 4

Sensor Interfaces and Configuration

Communication

The Sentry™communicates with the operator display using a CAN interface

as specified in ISO 11898-2. The CAN bus operates at 250 KBits/second

and is not terminated in the sensor.

Since CAN is a standard communication interface, the sensor can be

connected to other CAN controllers, telematics interfaces, displays, etc.

For custom installations, the CAN bus protocol is available from PRECO®

Electronics. However, it is not described in this document.

Alarm Output

The Sentry™provides an auxiliary output that becomes active whenever the

Sentry™detects an object. This output can be used to activate an external

backup alarm or other devices as desired. The output is switched from a

high impedance state to ground when active and is protected against an

over-current or electrical short condition. The maximum operating current

is approximately 1 amp, including any inrush current.

Sensor Input

The PreView®Sentry™ST87 series radar sensor provides an auxiliary input

that can be used to activate the alarm output, if configured. Contact

PRECO Electronics®for more information.

Cable Connection

The Sentry™comes equipped with a pigtail harness terminated with either

a Deutsch DT connector (ST87 series) or a Conxall Connector (ST82

Series). The pinout for the Deutsch connector is defined in Figure 5. The

mate for the Deutsch connector is the Deutsch DT04-08PA-C015.

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3702008A

Page 5

Figure 5. Deutsch Connector Pin Out (ST87 Series)

Figure 6 shows the pin out for the Conxall connector (ST82 Series). The

mate for the Conxall connector is the 6280-8SG-XXX.

Figure 6. Conxall Connector Pin Out (ST82 Series).

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3702008A

Page 6

PRECO Electronics®provides a variety of different cable lengths and

configurations for the PreView®Sentry™radar sensor, as well as solution

kits of radar, cabling, and displays. Please contact PRECO Electronics®for

a list of available cables and kits.

Technical Data

The following figures provide the dimensions and specifications for the

PreView®Sentry™radar sensor.

Figure 7. Sentry™Dimensions (ST87 Series)

Figure 8. Sentry™Dimensions (ST82 Series)

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