PED® ULF PLCC Transmission Headend
For Reliable Mine Wide Communication
 Emergency Evacuation Warning Personal Paging
WWW.MINESITE.COM.AU

WHAT PED® ULF PLCC DOESPROVIDE MINE WIDE COVERAGE WITH NO INFRASTRUCTURE IN THE UNDERGROUND!
The PED® Communication System is based onInvestment in a PED® System is justified on significant

ultra-low frequency through Power Line Carrier

cost savings, and safety benefits.

transmission that propagates through rock strata• Paging, PED® can send a 32 character text message

The PED® System has been in use at mines forto an individual wherever they are underground.

over fifteen years and remains the only proven• Emergency Evacuation Warning, in an emergency anthrough-the-earth (TTE) communication system in

evacuation instruction can be sent simultaneously to all

use at mines. Refinements to the system over thispersonnel in only 15 seconds. PED® has been installedtime have further improved its reliability andin many mines as their primary evacuation system, andfunctionality. It has been installed in over one

has been proven reliable and effective in emergency

hundred & fifty coal and metalliferous mines insituations.

CUSTOM SOLUTIONSCON TACT K EY PEOPLE WH ER EVERE TH EY AR E

Australia, USA, Canada, China and Sweden.

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CON TACT EVER YON E IN AN EMERGENC YPED ® S YSTE M B EN EF IT S
•MINE WIDE PAGING•EMERGENCY EVACUATIONWARNING

flexible solutions forunderground mines

PED® can send a private text message to any individual,
wherever they are underground. This simple, one-way text

EMERG ENCY SYST EM

message can save time and money, for example:• Groups of miners can receive information, such as the•OVERALL COMMUNICATIONS•NO COMMUNICATION

PED® is installed in many mines as the main

INFRASTRUCTURE IN THE
UNDERGROUND•SIGNALS PASS THROUGH THE
EARTH OR ROCK STRATA•NOT SUSCEPTIBLE TO DAMAGE
DUE TO UNDERGROUND

to be stopped outbye, etc.

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emergency warning system.

• A beltman can be quickly advised of a problem that requiresduis. Wisi regula eum consectetuer• In an emergency, messages can be sent to all

investigation (e.g. belt slip re-set).

ut mos tamen enim, aliquip feugait• A transport driver can be advised of an urgently needed part.

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personnel simultaneously.
• Importantly not only does PED® provide rapid
warning, it also provides specific instructions via text®

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HOW PED OPERATES

messaging– such as the nature of the emergency or evacuationroutes to use.

PED® uses ultra low frequency (ULF) signals to send signals directly through rock,so called “through-the-earth” transmissions. The main difference between PED® andother so called through-the-earth systems is that PED® is proven and is operating inmany mines, 24 hours a day, 7 days a week. PED® has been installed in over 150FLOODING, EXPLOSION, FIRE OR®

CAVE-INS.

reason for a power failure or that the conveyor system is going

W E B S O L UT I O N S
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PED PERSONAL RADIO RECEIVERS

mines since 1990. The system has been refined and enhanced over this time, but thebasic working principles remain the same. The ULF transmission system transmits toPersonal Receiver:a number of receiver types to allow a range of applications. The receivers are:• Beeps and flashes light on receipt of a message.

 Personal Radio Receiver is integrated with a miner’s safety cap lamp. This can be• Message can be read from the 32 character display

the ultra light weight lithium ion battery pack, known as the Integrated

on the top of the unit.

Communications Cap Lamp (ICCL), or receiver versions are available to retrofit to• Messages can be sent to individual receivers or tosome existing cap lamp batteries (such as Koehler-Wheat, Oldham, Northern

All Receivers at once.

Lights and MSA). On receipt of a message, the cap lamp flashes, a buzzer• Stores last two messages in memory.

sounds, and the 32 character text message is illuminated on a liquid crystal• Displays time and signal strength.
Other types of receivers are also available that
operate off the PED® transmission system.

display. The PED® receivers always indicate that they and the transmission
system are operating.

E B U SI N ES S S O L U T I O NS
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