Mine Site Technologies PRX-TAG Proximity Tag User Manual System Overview 2 0 Proximity Detection System

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Document ID	3935080
Application ID	xL7kISDuH/4H+6ntzoAj3Q==
Document Description	User Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	247.44kB (3092972 bits)
Date Submitted	2018-07-23 00:00:00
Date Available	2018-07-23 00:00:00
Creation Date	2016-10-27 04:04:48
Producing Software	Mac OS X 10.11.5 Quartz PDFContext
Document Lastmod	2016-10-27 04:04:48
Document Title	System Overview 2.0 - Proximity Detection System
Document Creator	Word
Document Author:	MST

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System Overview 2.0 - Proximity Detection System.docx
1 January 2014
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The MST Proximity Solution
The MST Proximity Solution helps maintain the safety of personnel working around mobile
machinery. It uses electromagnetic near field technology to monitor personnel entering and
exiting zones, which are designated as Safe, Warning and Danger. It alerts machine operators
and tag-carriers when these zones are breached. The MST Proximity Solution allows for up to
7 vehicle mounted systems to operate with 50 proximity tags in a single coverage area.
How does it work?
The MST Proximity Solution consists of four parts:
•
A cabin-mounted display panel; with its own in-cabin transmitter
•
Proximity tags. Personally carried, ICCL cap lamp integrated or vehicle mounted
•
A machine-mounted system control unit
•
One or more machine-mounted transmitters
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Zones
MST’s proximity tags detect and measure the strength of the electromagnetic signals from the
machine-mounted transmitters. The closer the tag gets to the transmitter, the stronger the
signal gets. The relationship between signal strength and distance is direct and highly
repeatable, making the boundaries of the Safe, Warning and Danger zones precise and
reliable.
Alerts
The display panel uses coloured LEDs and an audible alarm to notify the machine operator of
personnel moving into the Warning and Danger zones. The proximity tag notifies the tagholder of its movement into and out of hazardous areas using vibration, an audible alarm, and
coloured flashing LEDs according to the zone being entered.
The cabin-mounted display panel generates the Safe zone signal, and the machine-mounted
transmitter(s) generate the Danger and Warning zone signals. The system determines in
which zone the proximity tags are. The display panel’s signal covers the size of the cabin and
the system recognises when the tag carried by the machine operator is within the Safe zone of
the cabin.
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System and tag behaviour
The scenarios below outline the response of tags and the display panel as personnel carrying
tags enter the various hazard zones.
Alerts cannot be cancelled, but in each scenario below they can be acknowledged,
which momentarily suppresses the alarm actions. Details of this operation is
explained on page 9.
1.
The machine operator is in the cabin indicated by blue LEDs on the display panel. Other
proximity tags may be in radio communication range, but will be outside the hazard
zones.
2.
Personnel carrying a tag enters the Warning zone and yellow LEDs flash on the display
panel and the audible alarm sounds, which continues while the tag remains in the
Warning zone. The blue LEDs remain since the operator is in the cabin.
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3. The personnel carrying the tag now enters the Danger zone and red LEDs flash on the
display panel and the audible alarm sounds, which continues while the tag remains in the
Danger zone. Since there is now no tag in the Warning zone, the yellow LEDs do not
display. The blue LEDs remain since the operator is in the cabin.
The approaching personnel tag vibrates, emits an audible alarm, and its LED flashes red,
which continues while the tag remains in the Danger zone.
4. If the personnel carrying the tag now enters the machine’s cabin, the tag is detected in
the Safe zone. The display panel will stop flashing the red LEDs, and will flash the blue
LEDs instead, while issuing a short audible alarm.
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5. When the personnel carrying the tag now exits the cabin and enters the Danger zone, the
red LEDs flash on the display panel and the audible alarm sounds, which continues while
the tag remains in the Danger zone. The blue LEDs remain since the operator is in the
cabin.
The exiting personnel’s tag vibrates, emits an audible alarm, and its LED flashes red,
which continues while the tag remains in the Danger zone.
6. A second person carrying a tag now enters into the Warning zone, while the first person
is in the Danger zone. The display panel will flash with both the red (Danger) and yellow
(Warning) LEDs, and the audible alarm will sound.
The second person’s tag vibrates, emit an audible alarm, and its LED will flash yellow,
which continues while the tag remains in the Warning zone.
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7. The first person now joins the second person in the the Warning zone. The yellow LEDs
flash on the display panel and the audible alarm sounds, which continues while both tags
remain in the Warning zone. The blue LEDs remain since the operator is in the cabin.
The first person’s tag vibrates, emits an audible alarm, and its LED flashes yellow, which
continues while the tag remains in the Warning zone.
8. When these two personnel leave the Warning zone the display panel stops issuing
audible alarms and only the blue LEDS illuminate.
The personnel tags will cease vibrating,emiting an audible alarm, and the LED will now
flash blue.
The display panel does not show how many tags are within each zone; only
that at least one tag is within the band currently issuing an alarm.
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Other important scenarios
1. When the display panel has the corner LEDs illuminated, it means there are no tags in
radio or electromagnetic range.
If the operator is in the cabin and sees this, it means that his/her tag is defective,
and a replacement tag must be obtained immediately.
2. If no LEDS are illuminated it means that radio communication with tags has been
established, but the tags are not in a Warning, Danger or Safe zone. This means the
system is not picking up the tag inside the cabin.
If the operator is in the cabin and sees this, it means that his/her tag is defective,
and a replacement tag must be obtained immediately.
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Acknowledging the alarm
Pressing the suppression button on a personnel tag or ICCL embedded tag will suppress the
vibration and the audible alarm; the LED will also stop flashing and illuminate permanently.
Suppression of the alarms allows personnel to concentrate on taking corrective action. This
suppression is only temporary and all the alarm behaviours will resume after a user
configurable time span.
When pressing the suppression button on the display panel, all green LEDs will briefly flash.
It will suppress the audible alarm and the alarm status LEDs will stop flashing and illuminate
permanently. This suppression is only temporary and all the alarm behaviours will resume
after a user configurable time span.
Pushing the display panel’s suppression button, simultaneously acknowledges
ALL TAGS in ALL the hazard zones.
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Reactivation of the alarms
If a tag enters a different hazard zone, the tag and the display panel will issue a new alarm
condition, irrespective of prior acknowledgements/suppressions.
The various alarms and notifications on the display panel and the tag automatically resume
after the configurable timeouts.
The default timeout settings are:
• Danger zone: 30 seconds
• Warning zone: 60 seconds
• Safety zone: 12 hours
Changing the volume or brightness on the display panel
Buttons on the sides of the display panel control the screen brightness and volume.
Changing brightness
The up/down buttons on the left-hand side of the display panel (pictured above) change the
screen brightness.
Changing volume
The up/down buttons on the right-hand side of the panel change the volume.
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Tag batteries
Proximity tags have an operating battery life of approximately 12 hours, depending on tag
activity and age. The tags should be fully charged at the end of every shift.
When a tag is down to 20% capacity, the LED will flash red once every 5 seconds, and will
sound a single chirp sound every 5 minutes. This indicates that the tag should be recharged.
To charge the tag, insert it into the charger, as shown below:
When the tag is charging, the tag charger LED will show red. When the tag is fully charged
and ready to be used the LED will show green.
When the tag is removed from the charger, it chirps the audible alarm once and flashes the
LED to confirm the tag is working.
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System faults
If the panel is displaying an error, the proximity system is not functioning. It means that that
the system is either temporarily or permanently unavailable.
System errors
If the Proximity Controller detects a system error, the audible alarm will buzz every 3 seconds,
and the display screen will show either of the screens below. In both conditions, the machine
operator needs to proceed with extreme caution, as the system will not issue alerts of
personnel present in the hazard zones.
Fatal error:
A fatal or unrecoverable error means the system has stopped running. The system will require
a reboot to continue. Depending on the cause of the error, the system may reboot itself. An
example of this kind of error is if a transmitter is unplugged while the system is operating.
Recoverable error:
This error occurs when the system detects a fault that it is temporary or one it can resolve
itself. The system will keep running, but will display the red LED pattern above.
An example of this kind of error is if a tag in the area is detecting an unknown transmitter.
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Acknowledging the error
Errors are acknowledged in the same way as a breach of a proximity zone. If the fault alarm is
acknowledged, the screen will flash briefly with all-red LEDs:
The audible alarm is silenced, and the LEDs will return to the pattern associated with the error
condition, illuminated permanently rather than flashing.
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The iButton
The iButton sensor on the front of the display panel is shown in the image below:
The iButton sensor is activated by inserting iButton fob supplied with the controller. When
activated the system WiFi is enabled, which provides the user with access the system’s
configuration using standard web browsers.
A power cycle is required in order to restore the system to the operational state.
Even though all plug connections are designed to avoid electrical short-circuit, it is
recommended to disconnect power when connecting and disconnecting
transmitters to the controller or to each other.
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WARNING
The proximity detection system has been designed to enhance operational
safety. However it is not a replacement for normal safety practices and
procedures. Personnel must remain vigilant at all times.
WARNING
High levels of electric or magnetic interference may degrade system
performance or prevent timely operation.
WARNING
It is the responsibility of site safety management to ensure that detection
ranges are correctly configured for the intended application. System
configuration should be confirmed through operational tests conducted
during commissioning and repeated on a regular basis consistent with site
policies.
WARNING
When establishing safe zones, confirm that the range does not extend
beyond the safe working area.
WARNING
Vehicle speeds and stopping distances must be properly considered when
establishing Warning and Danger zones.
WARNING
Zone configurations must not be altered except by personnel authorised by
site safety management.
WARNING
The Proximity Tag contains a rechargeable lithium battery. Recharge only
using an approved MST charging dock.
WARNING
Personnel are responsible for ensuring their proximity tag is operational
and fully charged before use. Tags with visible damage should not be used.
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WARNING
Tags will alert the user a low battery condition. Site operating procedures
must advise the user to take immediate action to leave the working area o
obtain a replacement tag.
WARNING
The transmitter and panel emit a low frequency magnetic field. Persons
with electronic medical devices (such as pacemakers, defibrillators, insulin
pumps or others) must remain at a safe working distance. Safe working
distances are 0.5m from a Transmitter, and 0.1m from a Panel.
CAUTION
The proximity detection system contains no user serviceable parts. Service
must only be performed by a qualified technician. Unauthorised entry may
void warranty.
CAUTION
Tags should be stored in the charging dock to ensure the Tag is ready for 12
hours of use.
CAUTION
Ensure appropriate disposal of electronic equipment and batteries.
CAUTION
Transmitter and Panel contain parts operating at high voltages.
Do not open!
Note:
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The proximity detection system meets regulated safe levels for
electromagnetic exposure per EN62311 and EN62209-2.
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Compliance Statements
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.
Cet appareil est conforme à la section 15 de la réglementation de la FCC. Le fonctionnement de
l’appareil est sujet aux deux conditions suivantes :
(1) cet appareil ne doit pas provoquer d’interférences néfastes, et
(2) cet appareil doit tolérer les interférences reçues, y compris celles qui risquent de provoquer un
fonctionnement indésirable.
Note: This product has been tested and found to comply with the limits for 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 product 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 product 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 to correct the interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
—Consult the dealer or an experienced radio/TV technician for help.
Attention: changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
With the exclusion of the Personnel Tag, this equipment should be installed and operated with a
minimum distance of 20cm between the radiator and your body. The Personnel Tag can be worn
directly against the body.
Avec l'exclusion du Personnel Tag, cet équipement doit être installé et utilisé à une distance minimale
de 20 cm entre l’émetteur et votre corps. Le Personnel Tag peut être porté directement contre le
corps.
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This device complies with Industry Canada licence-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.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio
exempts de licence. L'exploitation est autorisée aux deux conditions suivantes :
(1) l'appareil ne doit pas produire d’interférences, et
(2) l'utilisateur de l'appareil doit accepter toute interférence radioélectrique subi, même si les
interférences sont susceptibles d'en compromettre le fonctionnement.
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type
and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential
radio interference to other users, the antenna type and its gain should be so chosen that the
equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful
communication.
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner
avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie
Canada. Dans le but de réduire les risques d’interférences radioélectriques à l'intention des autres
utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée
équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication
satisfaisante.
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Title                           : System Overview 2.0 - Proximity Detection System
Author                          : MST
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