Bedienungsanleitung Multiplex ROYALevo12 (Seite 15 von 57) (Englisch)

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ROYAL evo

Page 70

8.4. Charging the transmitter battery

Never connect the TX without battery to a

charger!

Chargers can supply high output voltages if no

battery is connected. This voltages can cause dam-

ages in the transmitter.

Charging with mains chargers or

12V-chargers for max. 8 cells

The battery can remain installed in the TX for

charging. Connection to the charger is made via

the charging socket on the back of the transmitter

(è 7.2.). Use only genuine MULTIPLEX charge

leads (e.g. transmitter charge lead with banana

plugs # 8 6020). For details of other charge leads

and battery chargers please refer to the current

MULTIPLEX main catalogue.

Charging with 12V-chargers

for more than 8 cells

Never charge via the charging socket! Unplug the

battery from the electronics board and use the TX

battery direct charge lead # 8 6021.

The battery management can only work correctly

with a permanent connection (even if the transmit-

ter is switched off) between battery and

electronics board to measure into (charging) or out

of (operation) the battery. Chargers for more than

8 cells need voltage converters producing high

voltages, which can damage the transmitter elec-

tronics.

Full capacity and performance

NiMH batteries only produce maximum performance

after a series of charge/discharge cycles (~5 cycles). The

first charge/discharge cycles should be carried out at

0.1CA (150 mA). Don’t fast-charge the pack until you

have done this.

What means C in charging advices?

C is the charging current, which supplies 100% of its

nominal capacity to a battery within 1 hour. This is a

current of 1500 mA for the 1500 mAh battey of the

ROYALevo. Charging with this current is named 1-C-

charging. This current can be derived from the nominal

capacity in mAh (or Ah) by just removing the letter “h”.

Standard charging

This means that the pack is charged at a current within

the range 0.05 to 0.2 C (75 mA to 300 mA).

The charge time is then calculated from the following

formula:

][

mArentCharge cur

mAhCapacity

heCharge tim

Fast charging

This means that the pack is charged at a current within

the range 0.5 to 1 C (750 mA to 1.5 A). The charging is

finished by the automatic cut-off.

Timer-controlled charging is not permissible!

Important with fast charging:

The charger must be designed to cope with NiMH

batteries, i.e. Delta Peak termination sensitivity < 5

mV/cell, or temperature-controlled termination at

> 0.8°C/min.

Trickle charging

This means that the pack is charged at a current within

the range 0.03 CA to 0.05 CA (45 to 75 mA). Automatic

chargers generally switch over to this mode of charging

when the fast charge phase is concluded. After max. 20

hours trickle charging must be stopped.

This is the correct method of charging:

1. Switch off the transmitter

2. Switch on the battery charger designed for NiMH

batteries (see left column 8.4.) and connect the

charge leads.

3. Check polarity:

Red plug = positive terminal (+)

Blue/black plug = negative terminal (-)

Connecting the charger with reversed polarity

may ruin the battery!

(excessive heat, escape of corrosive electrolyte,

bursting of cells)

4. Connect the charge lead to the transmitter

5. Select the charge current (max. 1.5 A); alternatively

set the current after starting the charge process

Automatic fast chargers:

Use manual current selection!

If the fast charger should interrupt the charge proc-

ess prematurely, reduce the charge current and

start again.

6. If the battery becomes too hot during the charging

(touching impossible) immediately interrupt the

charging.

7. Disconnect the transmitter from the charger at the

end of the process.

8. When you have charged the battery enter the

charged-in energy in the menu L Transmitter,

Batt. charge (8.1.3. a.).

Note:

The development of rechargeable batteries continues

apace, just like other technical components. We there-

fore reserve the right to supply different battery packs

as standard in our transmitters, in order to keep the

equipment abreast of current standards.

8.5. Maintaining and storing

the transmitter battery

Always store NiMH batteries in the fully charged state.

This avoids the danger of deep-discharge.

Store NiMH batteries at a temperature between 0°C and

30°C, in dry conditions, and out of direct sunshine.

Charge unused NiMH batteries every 3 months. This

compensates for the natural self-discharge rate, and

again prevents deep-discharge.

If you have to store a battery for a long period, we rec-

ommend that you balance the cells by giving the pack

several charge/discharge cycles. Protracted storage may

reduce the pack’s usable capacity.

8.6. Recycling

Unlike NiCd cells, NiMH cells contain no cadmium,

which is a toxic heavy metal. Nevertheless, exhausted

cells should not just be thrown in the domestic rubbish.

Take the cells to your local specialist recycling centre.

The cells must first be discharged completely and made

safe against short-circuit (wrap in plastic film).

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