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1. Introduction
The Max BEC 2D is a linear voltage regulator, to provide power for the receiver and servos used
in your models. For increased safety and reliability of this device, a magnetic switch is used to
switch the unit on and off. The Max BEC 2D is fully compatible with the Jeti Duplex System and
can also be operated using the Jeti Box terminal.
To provide power to the BEC, a 2-cell LiPo/LiIon battery can be used or a 5 to 6-cell NiMh/NiCd
battery pack. The voltage regulator supplies a constant voltage to your receiver and servos,
providing smooth servo motion regardless of the discharge state of batteries. For maximum
reliability, two battery packs can be used to provide power and the BEC features two LED's,
indicating the connection state of the the connected packs.
The MAXBEC2D can be monitored and configured via the Jeti Box, either by direct connection, or
wirelessly using the Jeti Duplex system. This allows the input voltage, temperature and output
voltage to be monitored but also, the output voltage can be configured and alarms can be set for
input voltage and temperature as required.
The system uses the 2.4GHz band to communicate, which allows not only data transmission, but
also the receiving of data back from the system. During operation, telemetry data allows the
condition of the system and any measured values to be displayed on the Jeti Box. Switching the
BEC on and off is performed via the special magnetic switch and key, which simply needs to
make contact with the face-plate in the correct orientation for a short period of time to switch the
unit on or off.
2. Description
2.1 MAXBEC2D
The supply batteries are connected to the MAXBEC2D via the two pairs of 1.5mm2 wires. These
wires do not have a plug fitted.
The stabilised ouput power is delivered via one pair of 1.5mm2 wires with an MPX type plug
already fitted for your convenience. The output voltage may be adjusted by using the jumper next
to the output wires. For programming and monitoring the unit can be connected either to the data
socket of your Duplex receiver, or directly to your Jeti Box. Connecting the MAXBEC2D to your
Jeti Box does not require that a separate power-supply is connected to the Jeti Box, if the BEC is
switched-on.
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Related Manuals for JETI model Max BEC 2D
Summary of Contents for JETI model Max BEC 2D
- Page 1 For increased safety and reliability of this device, a magnetic switch is used to switch the unit on and off. The Max BEC 2D is fully compatible with the Jeti Duplex System and can also be operated using the Jeti Box terminal.
- Page 2 If the red LED is continuously active, this indicates that the input voltage is below the preset threshold. (This LED has the same function as the Warning LED on the main unit) 3. Circuits 3.1 Powering the Max BEC 2D...
- Page 3 The Max BEC 2D can be powered by up to two batteries. These can vary by cell-count and chemistry and the BEC will always take power from the battery with the highest voltage. If both batteries have the same voltage, then the BEC will take power from both batteries together. LED Batt.
- Page 4 Please note that in this configuration, no alarms will be generated because these rely on the wireless data transfer and acoustic alarm of your Duplex transmitter module. 3.2.2 Connecting the BEC to a Duplex Receiver Connect the BEC to the receiver using the red JR connector from the BEC. Plug this into the socket marked 'Ext.' on the Duplex receiver.
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Page 5: Menu Navigation
The active power-supply input is marked by a "*" character. By pressing the 'D' (Down) button on the Jeti Box, we enter the menu for the Max BEC 2D. 4.1 ACTUAL VALUE - Actual Values Actual Value - By pressing the 'D' (Down) button of the Jeti Box, we can view the actual measured values. - Page 6 Accum. B MIN/MAX - Shows the minimum and maximum voltage of the battery connected to input B. Temp. MIN/MAX - Shows the minimum and maximum temperature of the Max BEC 2D. 4.3 SETTING - Configuration Options SETTING - By pressing the 'D' (Down) button, we can see the individual parameter settings of the Max BEC 2D.
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Page 7: Output Voltage Adjustment
4.4 ALARMS - Alarms ALARMS - By pressing the 'D' (Down) button, we can scroll through the available alarms offered by the MAXBEC2D. Voltage Alarm A - Set the voltage at which point the alarm specified by the Beep Volt. Alarm setting, will be sounded by the transmitter module for battery A. - Page 8 • Using the Jeti Box terminal, navigate to the Output (x.x) Volt setting (See section 4.3 SETTING - Configuration Options) and change to your desired value. This can be done in steps of 0.1V independently of the position of the short-circuit/jumper plug. The factory-default setting is that the output voltage is set using the short-circuit/jumper plug.
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Page 9: Installation
which point the BEC is now switched-off. The whole system remembers whether it has been switched-off or modified. If the BEC is switched-on and the battery is disconnected, then the next time the battery is connected, the BEC will immediately be switched-on. For safety and security, the BEC should always be switched- off via the magnetic switch before disconnecting the battery power. - Page 10 Televisions, Credit Cards, PC's and Pacemakers. 2. Keep magnets away from children, due to the risk of ingestion or injury. 9. Technical Specification of the MAXBEC2D Technical Data MAX BEC 2D Recommended Input Voltage 5.5 - 8.4 V Maximum Input Voltage...
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Page 11: Warranty
All servicing and repairs during and after the warranty period is carried out by the manufacturer. The manufacturer hopes you enjoy this product: JETI model s.r.o. Příbor, www.jetimodel.cz 11. Menu Diagram for MAXBEC2D...
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