Dual 12 plus 24VDC voltage supplies for battery-backed Power Systems

After listening to customer feedback, Omniflex have introduced the Dual Voltage PTL Charger range - a combined power supply and true 12+24Volt split battery charger for RTUs and radio systems requiring both 12V and 24V power.

Providing both 24Volts and 12Volts in battery standby systems can be inconvenient and costly.

Today, the RTUs are surrounded by more and more instrumentation requiring 24VDC for operation, whilst the radio system typically still requires a DC 12V for operation with high current capability for transmitting.

This gives the system designer a dilemma in single charger systems. If you add an extra converter to convert 12 to 24V, then the 24V power will be limited to the power of the converter, which must need to be sized large enough for peak load requirements. If you are driving solenoids or power relays, this can result in a large converter which adds a continuous drain on the system, reducing standby time from the batteries, and of course consumes additional cost and space.

If you add an extra converter to convert 24V to 12V to drive a radio, you need to be sure that the converter output is rated for the peak transmit power required by the radio. Most radios are designed to be operated on battery supplies, and expect a "stiff" supply for optimum RF performance.

The unique Powerterm L50C-D (50 Watts) and L120C-D (120 Watts) combined PSU/dual voltage charger from Omniflex now solves these issues by the provision of true split rail battery charging, and reduces cost, space and powef consumption.

The Poweterm L Series PSU/chargers provide both 12 and 24V battery connected load outputs as if you had two battery chargers in the system. This provides 6A peak load capability on both supplies, capable of driving radios at 12V and power loads at 24V without the additional power, cost and space associated with adding an additional voltage converter.

Only 2x12V batteries are required connected in series, with both batteries being correctly charged. The Powerterm L Series PSU/Dual Voltage Charger series is the only charger component required for the system, reducing space and cost.  The Powerterm L Series PSU/Dual Voltage Charger is the ideal solution for applications that include RTUs, dataloggers, remote field instruments and alarm systems, where the requirement exists to power both 12Volt equipment (such as radios) and 24Volt instruments.

For further information, contact Omniflex.


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