Miners Safety

Integrated Radio Receivers

Miners Safety
Integrated Radio Receivers

WHAT PED® ULF PLCC DOESPROVIDE MINE WIDE COVERAGE WITH NO INFRASTRUCTURE IN THE UNDERGROUND!

Dual Radio ReceiverIntegrated Miners Safety Cap
Lamp Charger

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 SOLUTIONS
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Australia, USA, Canada, China and Sweden.

CONTACT KEY PEOPLE WHER EVERE THEY AREPED ® S YSTE M B EN EF IT S••flexible solutions forunderground mines

MINE WIDE PAGINGWARNING•NO COMMUNICATIONUNDERGROUND••

PED® is installed in many mines as the main emergencywarning system.

to be stopped outbye, etc.
investigation (e.g. belt slip re-set).
• A transport driver can be advised of an urgently needed part.

®

simultaneously.

HOW PED OPERATES• Importantly not only does PED® provide rapid warning, it

PED® uses ultra low frequency (ULF) signals to send signals

SIGNALS PASS THROUGH THE

also provides specific instructions via text messaging

EARTH OR ROCK STRATA– such as the nature of the emergency or evacuation

NOT SUSCEPTIBLE TO DAMAGE

message can save time and money, for example:• A beltman can be quickly advised of a problem that requires• In an emergency, messages can be sent to all personnel
INFRASTRUCTURE IN THE

wherever they are underground. This simple, one-way text

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

EMERGENCY EVACUATIONOVERALL COMMUNICATIONSPED® can send a private text message to any individual,• Groups of miners can receive information, such as theEMERG ENCY SYST EM•CON TACT EVER YON E IN AN EMERGENC Yroutes to use.

W E B S O L UT I O N S
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directly through rock, so called “through-the-earth” transmissions.
The main difference between PED® and other so called throughthe-earth systems is that PED® is proven and is operating in many
mines, 24 hours a day, 7 days a week. PED® has been installed inover 150 mines since 1990. The system has been refined andDUE TO UNDERGROUND®

PED PERSONAL RADIO RECEIVERS

same. The ULF transmission system transmits to a number of

FLOODING, EXPLOSION, FIRE OR
CAVE-INS.

enhanced over this time, but the basic working principles remain theE B U SI N ES S S O L U T I O NS

receiver types to allow a range of applications. The receivers are:Enim iriure accumsan epulae• Beeps and flashes light on receipt of a message.

 Personal Radio Receiver is integrated with a miner’s safety cap

accumsan inhibeo dolore populus• Message can be read from the 32 character display

lamp. This can be the ultra light weight lithium ion battery pack,on the top of the unit.

known as the Integrated Communications Cap Lamp (ICCL), or• Messages can be sent to individual receivers or to All

receiver versions are available to retrofit to some existing cap

Receivers at once.

lamp batteries (such as Koehler-Wheat, Oldham, Northern Lights• Stores last two messages in memory.

and MSA). On receipt of a message, the cap lamp flashes, a• Displays time and signal strength.

buzzer sounds, and the 32 character text message is illuminated

Other types of receivers are also available that operate off

on a liquid crystal display. The PED® receivers always indicate

the PED® transmission system. AutoPEDs (in vehicles),that they and the transmission system are operating.

Personal Receiver:ControlPEDs (for equipment switching).

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