Main
Control PCBs for Comms & Pre Start Alarm
• Intrinsically
Safe (I.S.)12 volts d.c. powered (to the latest IEC standards).
• Control board is used with Austdac amplifiers (communications
units).
• Simple fixing into OEM enclosures.
• Interfaces underground to surface communications.
• Voice communications and signalling.
• Pre Start Alarm (PSA) to AS1755 Standard.On board
tone generator for local signalling (1200Hz).
• On board tone generator for calling “control
room" (Call Exchange, 194Hz).
• On board PSA initiate & confirm relays.
• L.E.D. indication for input power. |
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Control
PCB for Control &/or Monitoring
Features
• Single PCB allows
control &/or monitoring for up to 10 km, 110 or 240 Volts
(24VAC version available at the end of the year)
• Intrinsically safe to the latest IEC standards.
• Serial interface (MODBUS) port for communication
to host Controllers.
• Up to 128 individual channels available.
• L.E.D. indication for input power.
• L.E.D. indication for carrier signal healthy and
fault condition.
• Selectable and/or function 2 or 3 wire systems.
• Four (4) on board relay receivers for interfacing
to OEM equipment.
• Can also accept analogue signals, such as temperature,
gas, vibration, etc.
• On board transmitter for sequencing. |
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Resistive
Power Supplies (Intrinsically Safe Output)
Features
• Intrinsically safe
resistive power supply (to the latest IEC standards).
• Chassis has “keyhole” mounting holes for
easy fixing into OEM equipment.
• Plug/socket connection for 110 volt or 240 volt
input.
• Plug/socket connection for 12 volt I.S. output (880m
Amps MAX).
• A comprehensive list of all Austdac I.S. power supplies
is available on document no. 03-119-35-xx.
• Encapsulated versions available (Exm). |
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Learn
more about this product by clicking on the brochure below:
Longwall
Signalling and Communication System with Lockout or Remote Isolation
Facilities
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