Longwall Communication System

The Ampcontrol MSHA certified iMAC/Voicecom Longwall Communication System combines two of our leading electronics products to provide a single turn-key solution for all your longwall voice communications, pre-start warning, monitoring and control functions.


Technical Data Sheet – VoiceCom VAA

The Voicecom Amplifier (VAA) is the field communication module for the Ampcontrol VoiceCom System. The module is approved to Ex ia Intrinsically Safe Standards for use in Group I, Zone 0 hazardous areas. Typical applications include Longwall and conveyor communications, point-to-point intercom and messaging systems.


Conveyor Pull Cord System

The Ampcontrol iMAC Conveyor Pull Cord system has been specifically designed to meet the challenge of maximizing production whilst maintaining safety in harsh, hazardous industrial environments.


Technical Data Sheet – VIA

The VIA Audio Isolation Barrier Module is an intrinsically safe voice communication audio isolation barrier, for use in Ampcontrol VoiceCom systems.


Longwall Safety Systems

Ampcontrol’s Longwall Safety System provides emergency stop, remote isolation and broadcast messaging to maintain safety whilst maximising production on longwalls.
With Ex ia approval and over 10 years of operational history, the system is easily deployable in Group I hazardous areas.

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