isl 6 chameleon: rapid charger series
isl 6 chameleon: rapid charger series
schulze
operating instructions software-V6.31, date of issue 27 NOV 1997
elektronik
gmbh
page
Cable to
12V DC power
supply
1
Screen for battery
/ program and
charger data
Charge /
discharge
socket 1
Charge socket 2
Select buttons "-" "+"
Chapter Subject
1
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
How to obtain reliable, trouble-free operation . . . . . . . . . . . . . .
3
Fitting the CE tube . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
Commonly used terms . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
Useful information about battery maintenance . . . . . . . . . . . . . .
6
Connecting the charger, selecting the program . . . . . . . . . . . . .
7.1 Akku 1 socket: charging-balancing-measuring-discharging Ni-Cd batteries .
7.1.1
I=xxx
Charging with manual charge current selection . . . . . .
7.1.2
Auto-C
Charging with fully automatic current selection . . . . . .
7.1.3
Auto-DC, 3DCPack balancing, fully automatic discharge/charge cycle .
7.1.4
Auto-DC
Pack measuring, fully automatic charge/discharge cycle .
7.1.5
Auto-D
Discharging, fully automatic current selection . . . . . .
7.1.6
I-xxx
Discharging, manual current selection . . . . . . . . . .
7.2 Akku 1 socket: charging-discharging-measuring lead/acid batteries . . . . .
7.2.1
PB-D, PB-d Discharging lead/acid batteries . . . . . . . . . . . . . .
7.2.2
PB C, PB c Charging lead/acid batteries . . . . . . . . . . . . . . .
7.3 Akku 2 socket: charging 4-5 cell Ni-Cd batteries . . . . . . . . . . . . . . . .
8
Modifying charger characteristics (summary) . . . . . . . . . . . . . .
8.1.1 Using the charger with an external car battery . . . . . . . . . . . . . . .
8.1.2 Using the charger with the 230 V mains supply . . . . . . . . . . . . . . .
8.2
Setting the number of cells and charge current for the Akku 2 socket . . .
8.3.1 Setting the program type after a reset . . . . . . . . . . . . . . . . . . . .
8.3.2 Setting the automatic charge termination process (e.g. for Ni-MH batteries)
8.3.3 Setting the switch output to indicate battery full . . . . . . . . . . . . . . .
8.3.4 Setting the melody module to indicate battery full . . . . . . . . . . . . . .
9
Legal matters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
Specification, technical features . . . . . . . . . . . . . . . . . . . . .
11
Error messages and their causes . . . . . . . . . . . . . . . . . . . .
12
Trouble-shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
Service questionnaire . . . . . . . . . . . . . . . . . . . . . . . . . . .
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schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
e-mail: [email protected]
page
2
isl 6 chameleon: rapid charger series
1 Warnings
Injury hazard! Beware of sharp-edged parts
(heat-sink, terminal clips) when handling the
charger.
The CE symbol does not entitle you to be careless when using or handling the charger, the
power supply and the batteries.
Before you connect the charger to a 12 V car
battery ensure that the vehicle's engine is
stopped. The charger may only be operated
with the vehicle stationary and the engine
stopped.
The charger must be used with the original cables in unmodified form. The only permissible change is to use 4 mm gold-contact connectors. Never use wander plugs!
Avoid short-circuiting the charge outputs to the
car bodywork, as the isl 6 is not protected
against this. In the interests of safety always
place the charger on the ground.
The charge leads and/or charge outputs must
not be inter-connected or short-circuited in
any way, as the result would be damage to
the charger and/or the battery. To avoid
shorts between the banana plugs on the
charge lead please be sure to connect the
charge cable to the charger first, and only
then to the battery to be charged. Reverse
the sequence when disconnecting. We recommend our safety charge lead which features no exposed banana plug contacts, as
they are protected by a spring-loaded insulating sleeve.
To meet the CE standards the length of the
charge leads must not exceed 20 cm.
There is always a danger of explosion when
handling rapid-charge Ni-Cd batteries. To
avoid problems never leave the charger unsupervised whilst rapid-charging is in progress.
Before using the charger place the unit and the
batteries to be charged on a non-flammable,
heat-resistant and electrically non-conductive surface.
Keep inflammable objects and volatile materials
well away from the charging station.
When you wish to charge batteries, remove
them from the model or electrical device.
When charging transmitter batteries it is essential to keep within the maximum charge current permitted for the transmitter circuit
board by setting the charge current manually (0.5 - 2 A, see manufacturer's specification).
If you set the charger's automatic charge termination to "sensitive+delayed", note that topping-up full cells makes them very hot.
Never connect the isl 6 to a car battery which is
simultaneously being charged by a car battery charger.
Protect the isl 6 from damp, water, shock and
pressure.
The unit must not be used if it exhibits any fault
or is displaying an error message.
Charging fewer than 4 cells at output 1: the
special 16-bit A/D converter is outstandingly
efficient, but we cannot guarantee that the
charger will work correctly in this situation.
The charge termination may occur too early,
too late, not at all, or even perfectly correctly, and the charge current will not approach
the maximum rate. The reason for this is
that the "kink" in the voltage curve of highcapacity cells is very slight.
The following types of battery / pack / cell must
not be connected to the charger:
- packs consisting of different types of cell
- mixtures of old and new cells, or cells of
different make
- non-rechargeable batteries (dry cells)
- batteries which are not expressly stated by
the manufacturer to be suitable for the high
charge currents which this charger can supply.
- individual faulty or damaged cells
- batteries which are already fully charged or
hot
- batteries fitted with integral charge devices
or charge termination circuits
- batteries which are installed in a device, or
are also connected electrically to other components.
schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
e-mail: [email protected]
isl 6 chameleon: rapid charger series
schulze
operating instructions software-V6.31, date of issue 27 NOV 1997
elektronik
gmbh
page
2 How to obtain reliable,
trouble-free operation
It is essential to protect the charger from direct
sunshine, dust, damp and rain. If the unit
gets wet, dry it out thoroughly and have it
checked and cleaned before re-use.
The openings in the case must never be covered or sealed.
The unit produces considerable heat in use. Allow excess heat to dissipate, and let the
charger cool down after each rapid-charge
process.
Check the unit regularly for damage to the case
and screen, and poor contact between cables and connectors.
Keep the charge cables as short as possible.
Cables longer than 20 cm cannot be used if
you wish to conform to CE regulations. The
internal battery wiring must also be as short
as possible. Cable cross-section should be
2.5mm2 (even for a receiver battery!).
The charge cable should be fitted with highquality gold-contact connectors at both
ends, and fittted with one of the ferrite tubes
(CE tubes) supplied. The tubes are required
to satisfy CE requirements (see Chapter 3).
Twist charge leads together to minimise interference radiation.
Take care not to break the ferrite core in the
power supply cable, as it prevents the cable
acting as an aerial and radiating converter
and processor pulse frequency signals.
The information and charging currents stated
by the battery manufacturer must be observed at all times. Charge up only such batteries which are expressly stated to be suitable for high charge currents.
Using the charger with a stabilised mains power
supply unit (PSU) is possible in theory, but
in fact cannot be generally recommended.
The high charge power of the unit, inadequate output capacitance, residual voltage
and other factors relating to the PSU may
cause long-term and even terminal damage
to the charger and/or the power supply.
3
If you insist on using the unit in this way you will
have to carry out your own tests and checks
to ensure that your combination of charger power supply works correctly.
In general terms we have to say that none
of the laboratory mains PSUs currently
available is suitable for use with the isl 6 without modification.
Many transmitters are fitted with a protective diode which has to be by-passed if the battery
is to be rapid-charged. Read your RC system
instructions before you attempt to do this.
Make it part of your standard procedure to
check that the charge quantity indicated by
the charger corresponds to the expected
charge quantity when the unit has switched
off after detecting the "battery full" condition.
This is the only reliable means of recognising when the charger has terminated the
charge prematurely.
The most likely reason for premature charge
termination is a deep-discharged pack and/
or a pack with few cells (carry out test charges), or a particular type of cell. Caution:
this can result in a crash if you fly a model
with a part-charged battery.
The sequence of letters "a", "b"... to indicate the
probability of a full battery does not always
prove that a pack is fully charged. Often the
sequence of letters will appear at the start of
the charge if the cells are deep-discharged.
Individual cells to be charged must be soldered
together, otherwise the fully automatic programs may not work properly. Do not use
battery boxes with spring contacts.
The isl 6 only sets the charge current calculated for a particular pack if that current does
not cause any of the charger's parameters
to be exceeded.
Good results are obtained with Ni-MH batteries
if you use manual charge current setting
and set a current of no more than 1C.
If a pack is completely flat (approx. <1V) the
charger may take about 10 minutes to determine the correct number of cells.
If the voltage at output 2 is <0.5V the charger
assumes thatthe pack is connected with reverse polarity.
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4
isl 6 chameleon: rapid charger series
3 Fitting the
CE tube
Requirements:
- The charge cable cross-section should be 2.5
mm2.
- One wire should be coloured red (positive terminal +), the other black (negative -).
- To meet CE requirements the charge lead
should be no longer than 20 cm (minus the
length of cable attached to the battery!).
1. Solder a banana plug to each wire. To avoid
short-circuits we recommend the use of safety banana plugs fitted with a sliding insulator.
2. Wrap one of the cable ties (supplied) round
the two wires about 4 cm from the banana
plugs to hold the wires together.
3. Slip the EMF tube onto the free end of the
charge lead.
4. Wrap a second cable tie round the two wires
immediately adjacent to the tube (see illustration).
Cable tie
5. Twist the wires together and/or fit heat-shrink
tubing to keep them tidy.
6. Now solder the battery connector to the free
ends of the charge lead. Don't forget to fit the
pieces of heat-shrink sleeve required to insulate the soldered joints.
A ready-made charge cable fitted with safety
banana plugs and the CE tube is available from
us under CE-kab-i6 (see illustration).
4 Commonly used terms
Final discharge voltage: the voltage at which the
battery's discharge limit is reached. The chemical
composition of the batteries determines the level of
this voltage. Below this voltage the battery enters
the deep discharge zone. Individual cells within the
pack may become reverse-polarised in this condition, and this can cause permanent damage.
Balancing: a method of regaining full (nominal) capacity by alternately charging and discharging the
pack, sometimes several times. This process is
especially useful after a long period of non-usage
(e.g. after purchase, or after several weeks without
flying), and is also used to disperse the memory
effect (see below). The effect of balancing is to
break down the coarse crystaline structure (low capacity) inside the cell and convert it into a fine crystaline one (high capacity).
Memory effect: the memory effect is a reduction in
battery capacity (= motor run) due to repeated partial discharges. This phenomenon can be eliminated by several "balancing" processes, during which
the cells are brought down to the final discharge
voltage, or even slowly down to 0V.
Final charge voltage: the voltage at which the
battery's charge limit (capacity limit) is reached.
The charge process switches from a high current
to a low maintenance rate (trickle charge) at this
point. From this point on further high current charging would cause overheating and eventual terminal damage to the pack.
Power-On (- reset): the status of the isl 6 after it
has been connected to the car battery.
Ready message: charger ready to run the program
you have just selected (batteries not connected).
C: Coulomb or capacity: Unit of measurement relating to the quantity of charged energy. In conjunction with charge current data this unit is used to
determine the recommended / prescribed charge
current of a battery of a given capacity. Example: if
the charge current or discharge current of a 500
mAh battery is 50 mA, we refer to this as a charge or
discharge at one tenth C (C/10 or 1/10 C).
A, mA: unit of measurement relating to charge or
dis-charge current. 1000 mA = 1 A (A=Ampere,
mA=Milliampere)
Ah, mAh: unit of measurement for the capacity of a
battery (Amperes x time unit; h = hour). If a pack is
charged for one hour at a current of 2 A, it has
been fed 2 Ah of energy. It receives the same
quantity of charge (2 Ah) if it is charged for 4 hours
at 0.5 A, or 15 minutes (=1/4 h) at 8 A.
schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
e-mail: [email protected]
isl 6 chameleon: rapid charger series
schulze
operating instructions software-V6.31, date of issue 27 NOV 1997
elektronik
gmbh
page
5 Useful information about
battery maintenance
5.1 General information:
A cold cell is not capable of accepting as much
current as a warm one. For this reason you
must expect differences in charge characteristics if you use fully automatic charge current calculation (in Winter the charging properties will be worse than in Summer).
The lower the internal resistance of the battery,
the higher the charger can increase the
charge current for that battery. For a battery charger which sets the current automatically the resistance of the cable is
added to the internal resistance. For this
reason: use heavy cable (large crosssection), even for receiver batteries, and
keep them short. Do not charge via a
switch or switch harness!
5.2 Nickel-Cadmium batteries:
Selecting the charge current (manual setting):
Charge current = 2 x C (C=nominal battery
capacity)
If a battery is brand-new or used irregularly it is
often only possible to balance it completely
by carrying out several discharge - charge
cycles.
If you wish to measure battery capacity accurately a suitable discharge current is usually:
discharge current = 1/10 C (C=nominal battery capacity).
However, in practice higher discharge currents
can safely be used, depending on the degree of accuracy you require.
The automatic current setting circuitry (patent
applied for) provides optimum protection to
your Ni-Cd batteries during charging. The
reduced current towards the end of the
charge ensures a completely full pack combined with only a slight temperature rise, as
you will easily see in comparison with conventional constant current techniques.
5
The reduced charge current with 1-6 cells
makes the voltage peak in the charge curve
very slight, especially with batteries of high
nominal capacity. In this situation the charger is sometimes unable to detect the "full"
condition due to the ill-defined peak.
Amongst model car operators it is standard
practice to erase any memory effect by
completely discharging each cell individually
via a resistor (approx. 68 Ohm).
This deliberately "unbalances" the pack, but
it can cause the automatic charge termination circuitry to switch off the current prematurely during the charge process.
Storage: Ni-Cd batteries must therefore be discharged down to the final discharge voltage
after use (before any long period of nonuse) in order to prevent the onset of memory effect and maintain full capacity.
5.3 Lead-acid batteries:
When charging lead-acid batteries note that the
isl 6 can only detect the correct number of
cells and set the correct current if the battery is intact and has already been charged.
The characteristics of lead-acid batteries are
quite different to those of the Ni-Cd sintered
cell packs which are used as the power
source in model aircraft, cars and hydroboats. They can only tolerate relatively low
currents relative to their capacity if their full
capacity is to be exploited, and/or the voltage is not to collapse too far.
As with discharging, these batteries can only be
charged using low currents (0.1C, voltagelimited). The charge period is then in the region of 20 hours.
The nominal capacity can be reduced very
quickly by incorrect handling (overloading,
repeated 100% discharges, and especially
deep-discharges). Please observe the battery manufacturer's recommendations.
Storage: in contrast to Ni-Cd batteries, leadacid batteries must be fully recharged after
use in order to maintain full capacity.
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e-mail: [email protected]
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6
isl 6 chameleon: rapid charger series
6 Connecting the charger,
selecting the program
Please read Chapter 1, "Warnings"
and Chapter 2 "How to obtain reliable
and trouble-free operation", as they
contain important information which
you must know before you connect
and use the charger.
6.1
Before you connect the charger
Remove the isl 6 from its carton for charging to ensure adequate air circulation.
Do not yet connect the unit to the battery or
batteries to be charged.
Ensure that the power supply (12V car battery, mains PSU) is stable and is not producing or suffering from problems.
Ensure that the connections between the
power supply and the terminal clamps of the
isl 6 are making perfect contact. This is the
reason why we cannot recommend wander
plugs and car cigar lighter connectors.
6.2
P.7 P.8 P.9 P.9
P.10
P.11 P.12
Charge Dis /charge auto charge Discharg.
& discharge auto. man.
man. auto. 1x 3x
P.13 P.13 P.14 .14
Discharg.
Charge
large small small large
Lead
Connect the isl 6 to the power supply
Connect the terminal clamps to the power supply contacts quickly and confidently, tak-ing
care to maintain correct polarity.
Once connected correctly the charger's screen
shows the following "Ready" message:
6.3
6.5 Selecting your chosen charge or discharge program for Akku 1
Selecting a program usually requires that
no battery is connected to Output 1.
Any program can be selected by pressing
the button repeatedly or holding it pressed
in.
The programs are grouped as described below; the buttons indicate the direction of selection, and the first line shows the page
numbers where the program description is
found:
Ni-Cd
Switch on the power supply
If you are connecting the unit to a car battery
installed in a car:
- Switch off the car engine.
If you are using a suitable mains PSU:
- Switch on the mains PSU first.
6.4 Displaying the currently set program at
the Akku 1 output
Press the "+" or "-" button briefly (beep):
The screen shows a status message for the
currently set program (e.g. "fullautomatic C" for fully automatic charging).
After about two seconds the "Ready" message appears as already described.
The current program after connecting the
power supply is the one which was either
last active (before you disconnected) or the
fully automatic charge program ("FAUTO"),
depending on the machine configuration:
Chapter 8.
A
Type>
<-Software
version
B
C
<-also:
sensitive,
sens.+delay
If none of these messages appears:
Immediately disconnect the terminal clamps,
as damage may result from an undefined machine state. Wait 5 seconds, repeat Step 6.3.
6.6 Connecting the battery after selecting
the program
After choosing the program (see program
descriptions in Chapter 7) connect the battery with correct polarity.
A short tone confirms the start of the program.
Change programs only with the battery disconnected! If you press the buttons repeatedly or constantly with the battery connected you change the active program.
schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
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isl 6 chameleon: rapid charger series
schulze
operating instructions software-V6.31, date of issue 27 NOV 1997
elektronik
gmbh
page
7
7.1.1 Battery output 1, Ni-Cd / Ni-MH charge program /s fixed l
with manual charge current selection (I=x.xx)
Purpose
If you know the permissible charge currents for your batteries, you can use a
matching charge program with a fixed defined current. The current can be used for
balance-charging, standard and rapid charging (low, medium and high currents) with
the charge periods calculated according to the state of charge of the battery.
Manual current selection (no more than 1C) and "sensitive" automatic charge termination (see Chapter 8) are the preferred method if you are using Ni-MH batteries, and
also if you have to use thin charge cables and small numbers of cells.
Cell type / No.
Ni-Cd, Ni-MH, 1-30 cells (-430d and -530d),1-36 cells (-636+ and -636e).
Description
The selected program starts charging immediately using the current you have selected. This current is maintained until the charger detects "battery full". The charge rate
is only reduced if the selected current threatens to overheat / overload the charger as
voltage rises.
Selectable currents: 0.1, 0.25, 0.3, 0.4, 0.5, 0.6, 0.8, 1.0, 1.2, 1.5, ... in 0.5A increments
Maximum currents: -430d= 5.0A, -530d=6.0A, -636e and -636d=6.5A
Special features - charging 1-3 Ni-Cd cells: to suppress low-voltage messages first select the D.1A
program and then connect the battery. Now set your chosen program using the + and
- buttons. See also the warnings relating to this in Chapters 1 and 2.
- a charge lasting longer than 3 hours without any "full" detection halts the charge process without showing the charge period except in the following programs:
- D.1A and 0.25A programs have no time limit
- D.1A program (= 0.1A continuous charge): no automatic charge termination
- D.1A program uses pulsed current (pulse - pause ratio 1 : 3)
Settings
for Power-On
- Call up the Power-On reset program you wish to use (see Chapter 8.3.1)
- Sensitivity of the automatic charge termination (see Chapter 8.3.2)
Program
selection
1. Disconnect any battery from Output 1.
2. Press the "+" or "-" button repeatedly or constantly to select the program you wish
to use (I=x.xA, x.x = time statement).
- Display while button is pressed: "Ch. current I=x.xA"
3. Release the button. The charge program on the screen is now selected.
If you change to a discharge program (without disconnecting the battery - if point 1 is
ignored), the screen will show the resultant charge quantity from the charge previously fed in and removed, first as a positive and then as a negative value.
Connect battery 4. Now connect the battery to be charged to the Akku 1 output, maintaining correct
polarity. The unit beeps to indicate the start of the charging process.
Displays Line 1
during the
charge process
- Current charge period, charge voltage, charge current
- Probability of full charge by series of letters "a" -> "b"... (buttons inactive)
- Charged-in capacity: press both buttons simultaneously
- "!": measuring for charge current and auto. charge termination (buttons inactive)
- "*": charge current automatically reduced to guard against overheating
- Various warnings and error messages in plain text, with error number
Displays after
program
end
- "Battery full" display by: brief buzz, LCD shows inverted "v"
- Inverted "t": short pulses of current, widely spaced, to maintain charged state
- Total charge period, final charge voltage, capacity alternating with "A1=Ah"
- Various warnings and error messages in plain text, with error number
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e-mail: [email protected]
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8
isl 6 chameleon: rapid charger series
7.1.2 Battery output 1, Ni-Cd charge program Auto L
with automatic charge current selection
Purpose
In most cases the "Auto L" fully automatic charge program is the right choice, as it
provides optimum rapid-charging of batteries, charging fully but gently. Within the permissible capacity range of 100 mAh to 4 Ah you do not need to have accurate knowledge about the type of Ni-Cd sintered cell you are using. The only pre-condit-ions
are: adequate cross-section of the charge cable (2.5 mm2), high-quality connectors
and a pack consisting of soldered cells.
Cell type / No.
Ni-Cd, 1-30 cells (430d and -530d), 1-36 cells (-636+ und -636e).
Description
The isl 6 automatically calculates the charge current most appropriate to the battery
to be charged. It does this by measuring the battery continuously, and adjusting the
charge current repeatedly to match the pack's ability to absorb charge and/or to the
maximum capacity of the isl 6. Initially the charge rate is 300 mA for a brief period,
then the current rises before falling again towards the end of the charge process. The
program continues charging until it detects "battery full". It then switches to a maintenance (trickle) charge.
- The calculated charge current is reduced if there is any danger of the charger overheating or being overloaded.
- Maximum current: -430d= 5.0A, -530d=6.0A, -636e and -636d=8.0A
Special features - charging 1-3 Ni-Cd cells: to suppress low-voltage messages first select the D.1A
program and then connect the battery. Now set your chosen program using the + and
- buttons. See also the warnings relating to this in Chapters 1 and 2.
- A charge lasting longer than 3 hours without any "full" detection halts the charge process
without showing the charge period.
Settings
for Power-On
- Call up the Power-On reset program you wish to use (see Chapter 8.3.1)
- Sensitivity of the automatic charge termination (see Chapter 8.3.2)
Program
selection
1. Disconnect any battery from Output 1.
2. Press the "+" or "-" button repeatedly or constantly to select program (Auto L).
- Display while the button is pressed: "fullautomatic L".
3. Release the button. The charge program on the screen is now selected.
If you change to a discharge program (without disconnecting the battery - if point 1 is
ignored), the screen will show the resultant charge quantity from the charge previously fed in and removed, first as a positive and then as a negative value.
Connect battery 4. Now connect the battery to be charged to the Akku 1 output with correct polarity.
- The unit beeps twice to indicate the start of the charging process.
Displays Line1
during the
charge process
- Current charge period, charge voltage, charge current
- Probability of full charge by series of letters "a" -> "b"... (buttons inactive)
- Charged-in capacity : press both buttons simultaneously
- "!": measuring for charge current and auto. charge termination (buttons inactive)
- "*": charge current automatically reduced to guard against overheating
- Various warnings in plain text, with error number
Displays after
program
end
- "Battery full" display by: brief buzz, LCD shows inverted "v"
- Inverted "t": short pulses of current, widely spaced, to maintain charged state
- Charge period, final charge voltage, capacity, alternating with "A1=Ah"
- Various warnings and error messages in plain text, with error number
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7.1.3 Battery output 1, Ni-Cd maintenance program Auto-DC and Aut3DC
(not isl 6-636e) with automatic discharge and charge current selection
Purpose
The two battery maintenance programs (1DC, 3DC) balance the state of your batteries in order to erase any existing memory effect. In particular, batteries which are
only slightly discharged in use (e.g. transmitter and receiver packs) need to be discharged completely and recharged at regular intervals. Irregularly maintained and
brand-new batteries often need this procedure to be carried out three times in a row.
Cell type / No.
Ni-Cd, 1-30 cells (-430d and -530d),1-36 cells (-636+).
Description
Using the Auto-D program the battery is discharged down to the final discharge voltage and then recharged using the Auto-C program (three times if you select the
Auto3DC program). The program charges until the charger detects "battery full", then
switches to a maintenance (trickle) charge.
- The initial value of the discharge current is calculated from the maximum discharge
power dissipation and/or the charger's maximum permissible discharge current.
- Once the final discharge voltage is reached, the discharge current is reduced in stages down to a low value.
- Continuous charge current adjustment to suit the battery's ability to absorb charge.
- The calculated charge current is reduced if there is a danger of the unit overheat-ing
or being overloaded.
- Exception: if cells up to the number set for the Akku 2 charge section are connected,
the charge current value for Akku 2 is set as the discharge current.
- Max. charge current: -430d= 5.0A, -530d=6.0A, -636d=8.0A
- Max. discharge current: 2.0A
Special features - The isl 6 hardware is not designed for discharging 1-2 Ni-Cd cells. Reverse polarity
guard diodes and the types of transistor used only allow the unit to discharge below 2
Volts at reduced currents; discharging below about 1 Volt is virtually impossible.
- a charge period longer than 3 hours without any "full" detection halts the charge process without showing the charge period except in the following programs:
Settings
for Power-On
- Call up the Power-On reset program you wish to use (see Chapter 8.3.1)
- Sensitivity of the automatic charge termination (see Chapter 8.3.2).
Program
selection
1. Disconnect any battery from Output 1
2. Press the "+" or "-" button repeatedly or constantly to select the program you wish
to use (Auto-dc oder Auto3dc)
- Display, button pressed: "fullautomatic-dc" or "fullautomatic3dc"
3. Release the button. The combi-program on the screen is now selected.
Connect battery 4. Now connect the battery to be charged to the Akku 1 output with correct polarity.
- The unit beeps to indicate the start of the charging process.
Displays Line1
during the
charge process
- Current (dis-)charge time, (dis-)charge voltage, (dis)-charge current
- Probability of full charge by series of letters "a" -> "b"... (buttons inactive)
- Discharged/charged-in capacity: when you press both buttons simultaneously
- "!": measuring for charge current and auto. charge termination (buttons inactive)
- "*": (dis-)charge current automatically reduced to guard against overload
- Various warnings and error messages in plain text, with error number
Displays after
program
end
- "Battery full" display by: brief buzz, LCD shows inverted "v"
- Inverted "t": short pulses of current, widely spaced, to maintain charged state
- Charge period, final charge voltage, capacity alternating with "A1=Ah"
- Various warnings and error messages in plain text, with error number
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isl 6 chameleon: rapid charger series
7.1.4 Battery output 1, Ni-Cd capacity measuring program AutoCD
(not isl 6-636e) with automatic charge / discharge current selection
Purpose
This program allows you to examine individual battery packs for changes, and helps
you draw conclusions about their further usefulness based on variations in meas-ured
capacity data.
Cell type / No.
Ni-Cd, 1-30 cells (-430d and -530d),1-36 cells (-636+).
Description
The battery connected to the charger is charged up using the Auto C program and
then discharged using the Auto-D program.
- The isl 6 automatically and repeatedly calculates the charge current to match the
battery. The calculated charge current is reduced if there is a danger of the unit overheating or being overloaded. The program charges until it detects "battery full".
- The battery is then discharged down to the final discharge voltage. The initial value
of the discharge current is calculated according ot the maximum power dissipat-ion
and/or the unit's maximum permissible discharge current.
- Exception: if cells up to the number set for the Akku 2 charge section are connected, the charge current value for Akku 2 is set as the discharge current.
- Max. charge current: -430d= 5.0A, -530d=6.0A, and -636d=8.0A
- Max. discharge current: 2.0A
- Max. discharge power: 16W
Special features - The isl 6 is not designed for discharging 1-2 Ni-Cd cells. Reverse polarity guard diodes and the types of transistor used allow the charger to discharge below 2 Volts only
at reduced currents; discharging below about 1 Volt is virtually impossible.
- a charge period longer than about 3 hours without any "full" detection halts the
charge progress without showing the charge period.
Settings
for Power-On
- Call up the Power-On reset program you wish to use (see Chapter 8.3.1).
- Sensitivity of the automatic charge termination (see Chapter 8.3.2).
Program
selection
1. Disconnect any battery from Output 1.
2. Press the "+" or "-" button repeatedly or constantly to select the program you wish
to use (AutoCD).
- Display, button pressed: "fullautomatic CD"
3. Release the button. The combi-program on the screen is now selected.
Connect battery 4. Now connect the battery to be charged to the Akku 1 output with correct polarity.
- The unit beeps twice to indicate the start of the charging process.
Displays Line1
during the
charge process
- Current (dis-)charge time, (dis-)charge voltage, (dis-)charge current
- Probability of full charge by series of letters "a" -> "b"... (buttons inactive)
- Discharged/charged-in capacity: press both buttons simultaneously
- "!": measuring for charge current and auto. charge termination (buttons inactive)
- "*": (dis-)charge current automatically reduced to guard against overload
- Various warnings and error messages in plain text, with error number
Displays after
program
end
- "Battery empty" display by brief buzz, LCD shows inverted "l"
- Inverted "t": short pulses of current, widely spaced, to maintain charged state
- Discharge time, final discharge voltage, capacity removed alternating with
"A1=Ah"
- Various warnings and error messages in plain text, with error number
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7.1.5 Battery output 1, Ni-Cd / Ni-MH discharge program Auto-D
(not isl 6-636e) with automatic discharge current selection
Purpose
This discharge program discharges the pack as quickly and thoroughly as possible, and is therefore ideal for preparing cells for storage, and also for balancing
and refreshing cells.
Cell type / No.
Ni-Cd, Ni-MH, 1-30 cells (-430d and -530d),1-36 cells (-636+ and -636e).
Description
The battery connected to the unit is discharged down to the final discharge voltage.
- The initial value of the discharge current is calculated from the maximum discharge power dissipation and/or the charger's maximum permissible discharge current.
- Exception: if cells up to the number set for the Akku 2 charge section are connected, the charge current value for Akku 2 is set as the discharge current.
- When the final discharge voltage is reached, the discharge current is reduced in
stages down to a low value, in order to remove from the pack the last usable residual energy before the program is switched off.
- Final discharge voltage: approx. 0.85 V / cell
- Max. discharge current: 2.0A
- Max. discharge power: 16W
Special features - The isl 6 hardware is not designed for discharging 1-2 Ni-Cd cells. Reverse polarity guard diodes and the types of transistor used allow the charger to discharge
below 2 Volts only at reduced currents; discharging below about 1 Volt is virtually
impossible.
Settings
for Power-On
- Call up the Power-On reset program you wish to use (see Chapter 8.3.1)
Program
selection
1. Disconnect any battery from Output 1.
2. Press the "+" or "-" button repeatedly or constantly to select the program you
wish to use (Auto-D).
- Display, buton pressed: "fullautomatic -D".
3. Release the button. The discharge program on the screen is now selected.
If you change to a charge program (without disconnecting the battery - if point 1 is
ignored), the screen will show the resultant charge quantity from the energy previously removed and then charged-in, first as a negative and then as a positive
val-ue.
Connect battery 4. Now connect the battery to be charged to the Akku 1 output, maintaining correct
polarity.
- The unit beeps to indicate the start of the discharge process.
Displays Line1 - Current discharge time, voltage and current
during the dis- - Discharged capacity: press both buttons simultaneously
charge process - "*" alternating with "-": discharge current automatically reduced to guard against
overloading
- Various warnings and error messages in plain text, with error number
Displays after
program
- "Battery empty" display by brief buzz, LCD shows inverted "l"
- Total discharge time, final discharge voltage, discharged capacity, alternating with "A1=Ah"
- Various warnings and error messages in plain text, with error number
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isl 6 chameleon: rapid charger series
7.1.6 Battery output 1, Ni-Cd / Ni-MH discharge program (s) fixed-D
(not isl 6-636e) with manual discharge current selection (I-x.xxA)
Purpose
After partially discharging a battery in use it can be interesting to know what an
afternoon's flying, a particular driving style or a new power system has cost or saved you in terms of energy. This discharge program supplies that information.
Cell type / No.
Ni-Cd, Ni-MH, 1-30 cells (-430d and -530d),1-36 cells (-636+ and -636e).
Description
The selected program starts discharging immediately with the selected constant
current. The discharge current is maintained down to the final discharge voltage.
- The discharge current is automatically reduced if the current you have set threatens to overheat the charger (max. power dissipation 16W).
- Selectable currents: 25 mA, 50 mA, 0.1, 0.2, 0.3, 0.5, 0.8, 1.0, 1.2, 1.5, 2.0 A
- Exception: if cells up to the number set for the Akku 2 charge section are connected, the charge current value for Akku 2 is set as the discharge current.
- The unit is able to detect the number of cells connected with sufficient accuracy.
- A useful discharge current for an accurate measurement of battery capacity is
usually one tenth of nominal capacity (1/10 C)
- Final discharge voltage: approx. 0.85 V / cell
- Max. discharge current: 2.0 A
- Max. discharge power: 16 W
Special features - The isl 6 hardware is not designed for discharging 1-2 Ni-Cd cells. Reverse polarity guard diodes and the types of transistor used allow the charger to discharge
below 2 Volts only at reduced currents; discharging below about 1 Volt is virtually
impossible.
Settings
for Power-On
- Call up the Power-On reset program you wish to use (see Chapter 8.3.1).
Program
selection
1. Disconnect any battery from Output 1.
2. Press the "+" or "-" button repeatedly or constantly to select the program you
wish to use (D-x.xA, x.x = No. of cells).
- Display, button pressed: "disch.curr.-x.xA"
3. Release the button. The discharge program on the screen is now selected.
If you change to a charge program (without disconnecting the battery - if point 1 is
ignored), the screen will show the resultant charge quantity from the energy previously removed and then charged-in, first as a negative and then as a positive value.
Connect battery 4. Now connect the battery to be charged to the Akku 1 output with correct polarity.
- The unit beeps to indicate the start of the charging process.
Displays Line 1 - Current discharge time, voltage and current
during the dis- - Discharged capacity: press both buttons simultaneously
charge process - "*" alternating with "-": discharge current automatically reduced to guard against
overload.
- Various warnings and error messages in plain text, with error number
Displays after
program
- "Battery empty" display by: brief buzz, LCD shows inverted "l".
- Total discharge time, voltage and capacity alternating with "A1=Ah".
- Various warnings and error messages in plain text, with error number.
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7.2.1 Battery output 1, lead/acid discharge programs PB-D, PB-d
(not isl 6-636e) with automatic/manual discharge current selection
Purpose
The Pb discharge programs are designed either for fast discharging or for a reasonably accurate capacity measurement.
Cell type / No. Lead-sulphuric acid and lead-gel, 2, 6, 12, 24 V (1, 3, 6, 12 cells)
Description
The battery connected is discharged down to the final discharge voltage.
The "Pb-D" discharge program discharges at the highest possible current and
then reduces in stages down to a relatively low current.
The "Pb-d" program discharges at up to 200mA and is designed to allow reasonably accurate measurement of the battery's capacity.
- The initial value of the "Pb-D" discharge current is calculated from the maximum
discharge power dissipation and/or the unit's maximum permissible discharge current.
- When the final discharge voltage is reached, the discharge current is reduced in
stages down to a low value, in order to remove from the pack the last usable residual energy before the program is switched off.
- Final discharge voltage approx. 1.73 V / cell
- Max. discharge current 2.0 A; less with 2V batteries (technical reasons)
- Max. discharge power 16 W
Settings
for Power-On
- Call up the Power-On reset program you wish to use (see Chapter 8.3.1)
Program
selection
1. Disconnect any battery from Output 1.
If you do not do this it is impossible to change from a Ni-Cd to a Pb program.
2. Press the "+" or "-" button repeatedly or constantly to select the program you
wish to use (PB-D or PB-d).
- Display, button pressed: "lead accu
PB-D" or "lead accu
PB-d"
3. Release the button. The discharge program on the screen is now selected.
If you change to a charge program (without disconnecting the battery - if point 1 is
ignored), the screen will show the resultant charge quantity from the energy previously removed and then charged-in, first as a negative and then as a positive value.
Connect battery 4. Now connect the battery to be discharged to the Akku 1 output with correct polarity.
- The unit beeps to indicate the start of the discharge process.
Displays Line1 - Current discharge time, discharge voltage, discharge current
during the dis- - Discharged capacity when you press both buttons simultaneously
charge process - "*" alternating with "-": discharge current automatically reduced to guard against
overload
- Discharge time "mm:ss" changes after 99 minutes dicharge time to "HHhmm"
(mm = minutes, ss = seconds, HH = hours, : = minutes display, h = hour)
- Various warnings and error messages in plain text with error number
Displays after
program end
- "Battery empty" display by: brief buzz, LCD shows inverted "l"
- Total discharge time, final discharge voltage, discharged capacity alternating with "A1=Ah"
- Various warnings and error messages in plain text with error number.
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isl 6 chameleon: rapid charger series
7.2.2 Battery output 1, lead-acid charge programs PB C, PB c
with automatic charge current selection
Purpose
The Pb charge programs charge lead-acid batteries virtually full within a few hours.
Cell type / No. Lead-sulphuric acid, lead-gel, 2, 6, 12, 24 V (1, 3, 6, 12 cells)
Description
The Pb charge programs start charging at zero current when the battery is connected, then gradually increase the charge rate (at around one minute per Amp-hour
capacity). When the battery's maximum voltage is reached the current is gradually
reduced again.
- The "Pb c" program charges at low currents (better filling, good for low-capacity
batteries); while the "Pb C" charges at higher currents for high-capacity batteries.
- When the battery first reaches the voltage limit for cyclic charging (approx. 2.45V/
cell) the screen shows a letter "a". The battery is then about 75% fully charged,
and further charging takes place much more slowly. Further rises in capacity are
indicated in 5% increments with the letters "b", "c" ...; note that the period required
to reach the "battery full" indication may take about as long as the appearance of
"a" after initial connection. Note: these are not specific figures; they are just intended to give you a rough idea of how the lead-acid charge process is progressing.
- The maintenance charge voltage and current are reduced to the permissible continuous limit values once "battery full" has been detected, but to ensure the battery
is completely full and kept that way they are not switched off. The charged-in Amphours are added together and stated together with the current charge voltage.
- Don't be surprised if the isl 6 shows "battery full" at around 70% of nominal capacity, especially with low-capacity batteries (up to about 3Ah).
Settings
for Power-On
- Call up the Power-On reset program you wish to use (Chapter 8.3.1)
Program
selection
1. Disconnect any battery from Output 1.
If you do not do this it is not possible to switch from a Ni-Cd to a Pb program.
2. Press the "+" or "-" button repeatedly or constantly to select the program you
wish to use (PB C or PB c).
- Display, button pressed: "lead accu
PB C" or "lead accu
PB c"
3. Release the button. The charge program on the screen is now selected.
If you change to a discharge program (without disconnecting the battery - if point 1
is ignored), the screen will show the resultant charge quantity from the energy previously charged-in and then removed, first as positive and then as negative value.
Connect battery 4. Now connect the battery to be charged to the Akku 1 output with correct polarity.
- The unit beeps to indicate the start of the charging process.
Displays Line 1 - Current charge period, charge voltage, charge current
during the
- Charged-in capacity: press both buttons simultaneously
charge process - "*": charge current automatically reduced to guard against overload
- "+": automatic charge current adjustment in progress; current slowly rising
- Charge period "mm:ss" changes after 99 minutes charge period to "HHhmm"
(mm = minutes, ss = seconds, HH = hours, : = minutes display, h = hour display)
- Various warnings and error messages in plain text, with error number
Displays after
program
end
- "Battery full" display by: brief buzz, LCD shows inverted "v"
- Charge period to full message, current charge voltage, capacity,
alternating with "A1=Ah"
- Various warnings and error messages in plain text, with error number
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7.3 Battery output 2, Ni-Cd charge program for 4 to 5-cell batteries
Purpose
Receiver batteries can be charged at the Akku 2 output using a current which you
have selected.
- Battery output 2 is only suitable for Nickel-Cadmium cells.
Cell type / No.
Ni-Cd, 4 and 5 cells, minimum capacity 100 mAh
Description
The charge program starts charging with the pre-selected current and the set
number of cells. At fixed intervals and after reaching the prescribed charge voltage
limit the isl 6 switches to a pulsed charge process. The better the battery maintains its voltage in the pauses, the longer the pauses become and the shorter the
charge pulses become.
- The current and the number of cells are laid down by a special initialisation process when the charger is first connected to the car battery (330mA/500 mA; 4/5
cells; see Chapter 8.2)
- If the charge voltage limit is not reached during the charge process, the automatic
time monitor switches off the charge process after about 9 hours (corresponding to a
maximum charge quantity of 3 Ah at 330 mA charge current, and 4.5 Ah at 500 mA
charge current. It is then no longer possible to read off the charge period.
Special feature If the charger detects excessive voltage at the output it may signal "no battery".
Settings
for Power-On
- number of cells to be connected (see below and Chapter 8.2)
- preset charge current (see below and Chapter 8.2)
Current and
cell No. select
(if required)
- These settings are stored in the charger permanently, and only need to be
changed if the type of battery or the number of cells to be connected makes
it necessary to re-set these parameters (see Chapter 8.2):
1. Disconnect any batteries connected to the isl 6 and disconnect the power supply.
2a. Selecting the No. of cells: hold the "+" button pressed in while you connect the
charger to the power supply, and hold it until the "choice pack 2" select menu appears.
Press the "-" or "+" button to select the number of cells to be charged (4 or 5).
2b. Selecting the charge current: press the "+" button to select the charge current
you wish to use (including the values in brackets).
Press the "-" button to select the charge current value shown on the screen.
- The values in brackets refer to the discharge current at the Akku 1 output, when
4 or 4-5 cell packs are connected there in accordance with the number of cells you
have already selected. For technical reasons the charge current for the Akku 2
output cannot be higher than 500 mA even through higher currents are shown (in
brackets).
Connect battery Connect the battery to be charged to the Akku 2 output with correct polarity.
- The unit beeps to indicate the start of the charging process.
Displays Line 2 - Current charge period, charge voltage (car battery voltage)
during the
- Charge pause: in the charge and measurement pauses the charge voltage
shown
charge process on the screen is replaced by the charged-in capacity
- Charged-in capacity: press both buttons simultaneously
Displays after
program
end
- "Battery full" display by: brief buzz, LCD shows inverted "v"
- Charge period, charged-in capacity (both cumulative when battery is topped up)
- Various warnings and error messages in plain text, with error number
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8
Modifying charger characteristics
isl 6 chameleon: rapid charger series
8.1 Tabular summary
Press and hold button(s)
&
Connect isl 6 to car battery
Message 1:
(c) schulze gmbh
isl6-xxxx V6.xx
Message:
(c) schulze gmbh
isl6-xxxx V6.xx
Message:
(c) schulze gmbh
isl6-xxxx V6.xx
Message 2:
Car battery=10V
(power is reduced)
Select menu 1:
P1-cur.aft.reset
last - + FAUTO
Select menu 1:
choice pack 2
4=- +=5
Select menu 2:
P1 cutoff mode
xxxxx - + more
Release "+" button
Select menu 3:
Flashing light
blink - + cont.
Select menu 2:
choice pack 2
XXXmA=- += more
Release "-" button
Message 3:
P1 cutoff mode
e.g. "normal"
Message :
Ready display
Select menu 4 (option):
Melody select #xx
ok = - + =next
Message :
Cutoff sensit.
"+" button: 5 cells
"-" button: 4 cells
(Release "+", "-" button)
"+" button leafs through
selection; press<->release
Select with "-" button
Message:
Ready display
Message :
Cell # and current
at Akku 2
Message:
Ready display
Key:
Message for "ready" state or settings
Action to display or select a charger characteristic
Display of selectable charger characteristics
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8.1.1 Use with an external 12V car battery
8.1.2
An external 12V battery can safely be discharged to a lower level with the isl 6 than a car
battery which is required to start a car engine.
The option of deeper discharge can be selected
when you connect the isl 6 to the battery. At the
same time you can limit the maximum charge
power (see 8.1.2.2 "Use with a 22/25A mains
PSU").
If you wish to do this, hold the "-" button on the
isl 6 pressed in while you connect it, until the
charger's screen shows the message
"car battery =10V" in the first line.
The low-voltage warning message range (# 5)
then lies approximately between 9.75 und
10.5V, and below 9.75V the unit switches itself
off (error # 72).
8.1.2.1 Use with a car battery charger
Never connect the isl 6 to a car battery
charger. These units produce a pulsed
D.C. current which damages the isl 6.
The charger does not store the "-" button press during initial connection, so
the setting has to be repeated at the
start of every session with the charger.
The best way to exploit the full charge power of
the unit is to delay making the change until the
first message
"car battery=MIN" or
"car battery<MIN" appears.
However, please note that you lose the current
data relating to the charge program running
(charge period, capacity) when you disconnect
the charger from the car battery to effect this
change.
Unfortunately, reducing the charge current
when the above messages appear is not without its problems, as the automatic charge termination circuit can then get "out of step", because a reduction in the load current also causes a reduction in the voltage of the battery
pack.
Use with the 230V mains supply
Using the unit with a car battery wired in parallel
and acting as a buffer can also cause problems, as this arrangement tends to produce
senseless error messages.
8.1.2.2 Use with a 22/25A mains PSU
In theory the charger can be used with a
stabilised mains power supply unit, but
the charger's high power and the PSU's
inadequate output capacity present problems, and the arrangement cannot be
recommend. The result may be longterm damage, and even terminal damage
to the mains PSU and the charger.
For charging batteries (minimum 8 cells) in conjunction with a 22 A (25 A peak) mains PSU it is
possible to limit the maximum charge power of the
unit (isl 6-530d upwards) at the Akku 1 output to
about 190 W, so that the current drain from the
PSU stays below 22 A.
This setting is made by pressing the "-" button
while you connect the unit to the car battery
(see description in Section 8.1.1).
The unit displays the message
"power reduced" in der second line of the
screen.
As reliable operation of the isl 6 with a mains
PSU depends on other factors, including spurious voltage levels, questionable reliability
when run continuously, sensitivity to converter
clock frequencies and adequate reserves of
output capacity (one area in which laboratory
mains PSUs are often lacking) etc., it is up to
you to carry out tests to establish whether your
particular combination of PSU and charger
works properly. We accept no liability for problems or damage to the isl 6 or other parts of
the combin-ation arising from this mode of usage.
Please note that "repairs" to chargers which
produce error messages when used with mains
PSUs will be charged for accordingly.
schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
e-mail: [email protected]
page
18
8.2
Setting the number of cells and charge
current for Battery Output 2
isl 6 chameleon: rapid charger series
The Akku 2 output must be set to the number of
cells and charge current you wish to use. You
can select either 4 or 5 cells, and either 330 or
500 mA. The values you select are stored permanently in the charger.
1. Hold the "+" button pressed in while you connect the charger to the car battery and wait until
the select menu appears (about 2-3 seconds).
2. Release the button again.
3. Press the "+" or "-" button to select the appropriate number of cells directly.
4. You then see the current select menu. Press
the "+" button repeatedly to leaf through the select table (show "more"), and select the value
on the screen with the "-" button.
Effects on the Akku 1 output:
The current values in brackets (above
500 mA) represent the initial discharge
current value for the Akku 1 fully automatic discharge programs up to the
selected number of cells for Akku 2.
Even when set to one of the current values
shown in brackets, the Akku 2 output always
supplies no more than its maximum current of
500 mA.
8.3
Program type after reset
(8.3.1)
Auto. charge termination (Ni-MH)(8.3.2)
Switch output
(8.3.3)
Melody select module
(8.3.4)
settings for battery output 1
These 4 parameters can be adjusted in a single
process. To do this hold the "+" and "-" buttons
pressed in while you connect the isl 6 to the car
battery, and wait until the menu "p1cur.aft.reset" appears.
8.3.1 Setting the program type after reset
Here you select the program which is to appear
as standard when you connect the isl 6 to the
car battery.
The program which appears after initial connection can be the:
- last used program
(more accurately: the program setting which
applied when the battery was last connected;
(Select "last" with the "-" button)
or
- the fully automatic charge program
(Select "FAUTO" with the "+" Taste).
When you have made your selection the menu
"p1 cutoff mode" appears (description below).
8.3.2 Setting charge termination sensitivity:
Press the + button repeatedly to display the
charge termination sensitivity.
Press the - button to select the value on the
screen. After you have made your selection
your selected value is repeated again:
"p1 cutoff mode"
"xxxx
"
(xxxx = normal, sensitive [sensit.], sensitive +
delay [sens+d])
After this selection the screen shows the menu for
setting the light indicator at the switched output even if the switched output is not installed.
8.3.2.1 Possible selections
Explanation: You can now adjust the method
of working of the automatic Delta-Peak charge
termination circuit. Three stages of sensitivity
are available:
schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
e-mail: [email protected]
isl 6 chameleon: rapid charger series
schulze
operating instructions software-V6.31, date of issue 27 NOV 1997
elektronik
gmbh
page
19
1. normal
8.3.3 Switched output setting
Delta-peak termination using proven termination criteria. This setting is the most straightforward for most applications.
By pressing a button (+ or -) you can select either a flashing light (select "blink") or a continuous light (select "cont.").
2. sensitive (sensit.)
This output can switch a load of up to 25 W at 12 V.
3. sensitive with delay (sens+d)
Note re. switched output:
The charger features a Cinch (phono) socket as
widely used in audio equipment, and it is protected by an internal T 2.5 A fuse. It is designed
for connection to a car flasher bulb (12V / 25W)
so that you have a visual indicator of the "battery full" and "battery empty" states.
Re. 2.+3.: Delta-peak termination with sensitive
trip characteristics. This setting switches off the
charge voltage as soon as the voltage curve
flattens out. This often applies to hybrid cells
and similar, such as 1700SCE, RED AMP and
many transmitter batteries.
Note re. sens+d:
With the sensitive settings you may find that
deep-discharged cells are switched off right at
the start of the charge process. The "sens+v"
mode prevents this happening, because it incorporates a delay time after the pack is connected, and the automatic charge termination
circuit is only activated after 8 minutes.I
This means: the charge voltage is not
monitored during the first 8 minutes, so
the cells are charged for at least about
10 minutes.
Warning: for the same reason, if you connect a
large number of cells for a final "top-up", they
are likely to get very hot if the charge is set to
"sens+d".
8.3.2.2 Ni-MH batteries
Tests with charging Ni-MH batteries have produced good results using the two "sensitive"
termination settings, provided that manual charge current setting is used, and charge currents
of no more than 1 C are set (i.e. 1000 mA charge rate for 1100 batteries).
In our experience, batteries which fail
to reach anything like their stated nominal capacity when charged also present the most problems in detecting
the "battery full" state, i.e. the charger
fails to switch off.
As an alternative to the flashing light output the
Cinch socket can be set up at the factory to provide a fixed 12 V to drive a battery cooling fan or
similar.
Note: the cables connected to this socket must
be fitted with a ferrite core in order to keep within the CE limits for interference radiation. Use
the "CE-Ring-i8" for this, and wind at least 9
turns of the cable through it at a point no more
than 5 cm from the Cinch plug. The cable must
not be more than 2 m long.
8.3.4 Melody selection setting
Note: this option is only fitted to older chargers
built before the end of 1995.
If the module is present, you can press the "+"
button to listen to all 12 melodies in turn.
You select the melody you wish to hear when
your batteries are "full" or "empty" by pressing
the "-" button (melody 0 = buzzer).
The selected melody (except melody 0) not only
sounds when the program terminates, but also
when you press the "+" and "-" buttons simultaneously to display the charged-in / discharged
capacity of the active program.
Note: you can cut short the melody or the buzzer at any time by pressing the "+" or "-" button.
When you finish the setting-up procedure
the screen will show the set charge termination sensitivity before the "Ready" mes-sage
appears, exactly as if you had just connected the charger to the car battery.
schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
e-mail: [email protected]
page
20
isl 6 chameleon: rapid charger series
9 Legal matters
9.1 Warranty
All isl 6 chargers are carefully checked and
tested before dispatch.
If you have a complaint, send the unit back to
us with a clear description of the fault.
A message such as "doesn't work properly" or
"software error" doesn't help us much!
Before you send your isl 6 back to us, please
test the unit carefully, as it costs us money to
test a charger, and if it turns out to be in working order we have to recover those costs from
you. In this case it makes no difference whether
the fully functional charger is returned within
the warranty period or not. Approved warranty
claims are processed in accordance with our
currently valid General Conditions of Business,
which are printed in our catalogue.
One further note: if a problem arises with any
schulze product, send it directly to us without
interfering with it in any way.
This ensures that we can repair the unit quickly,
pick up warranty faults without any dispute, and
keep costs to a minimum.
You can also be sure that we will fit genuine replacement parts which will work properly in your
unit. Unfortunately we have had bad experience
with third-party Service Centres which claim
technical competence. Note also that any outside interference with our products invalidates
the warranty. Incompetent attempts at repair
can cause further damage. We often find it impossible to estimate the repair cost of devices
in such condition, and in certain circumstances
we are then obliged to decline to repair it altogether.
9.2 Limited liability / compensation
We at Schulze Elektronik GmbH are unable to
monitor the observance of our assembly and
operation instructions, our prescribed conditions
and methods for installation, connection, usage
and maintenance of our battery chargers. For
this reason we cannot accept liability for loss,
damage or costs which arise through the inappropriate use of our products, or are connected
in any way with such use.
Within the normal legal limits, our obligation to
provide compensation, for whatever legal reason, is limited to the invoice value of that quantity of product immediately involved in the event
which caused the damage. This does not apply
if we are obliged to accept unlimited liability in
accordance with mandatory law due to our deliberate or serious negligence.
9.3 CE approval
All isl 6 units built after January 1996 satisfy all
relevant and mandatory EC directives: these
are the EMF directives
- 89/336/EWG,
- 91/263/EWG and
- 92/31/EWG.
The product has been tested to meet the following basic technical standards:
Interference radiation: EN 50 081-1:1992,
Interference susceptibility: EN 50 082-1:1992
and/or
EN 50 082-2:1995.
You are the owner of a product whose design
and construction fulfil the safety aims of the EC
for the safe operation of devices.
The approval procedure includes a test of interference radiation, i.e. of interference generated by the charger. This charger has been tested under practical conditions at maximum
load current and with a large number of cells,
and remains within the interference limits. A
less stringent test would be, for example, to
measure interference levels at a low charge
current or with only 7 cells, in which mode the
voltage converter would not be active. In such
cases the charger would not produce its maximum interfer-ence level.
The procedure also includes a test of interference susceptibility, i.e. the extent to which the
charger is vulnerable to interference from other
devices. The test involves subjecting the charger to RF signals similar to those produced by
an RC transmitter or a radio telephone.
Note:
If you encounter problems in using this device,
please carry out the measures described in
Chapter 12 before you decide that it is defective.
schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
e-mail: [email protected]
isl 6 chameleon: rapid charger series
schulze
operating instructions software-V6.31, date of issue 27 NOV 1997
elektronik
gmbh
page
21
10 Specifications, technical features
isl 6 Dims. Display
approx. [kg][linexchar]
-430d 1.1
2 x 16
-530d 1.1
2 x 16
-636+ 1.3
2 x 16
-636e 1.3
2 x 16
isl 6-...
Model
-430d
-530d
-636+
-636e
Display
[vis. area]
No. of cells
[No. Ni-Cd]
61x15mm
61x15mm
98x22mm
61x15mm
1 - 30
1 - 30
1 - 36
1 - 36
Lead-acid
Capacity Charge currents
[Ah]
[mA - A]
0.1 - 4
0.1 - 5
0.1 - 6
0.1 - 6
Disch. currents
[mA - A]
250 - 5
250 - 6
250 - 6.5 (8)
250 - 6.5 (8)
25 - 2
25 - 2
25 - 2
N.A.
No. of cells Min. capacity Charge currents
[No. Pb]
[Ah]
[ca. A]
Disch. currents
[A]
1, 3, 6, 12
1, 3, 6, 12
1, 3, 6, 12
1, 3, 6, 12
1.0
1.0
1.0
1.0
0.25 - 4
0.25 - 4.5
0.25 - 5
0.25 - 5
0.1-2
0.1-2
0.1-2
N.A.
Summary of charge currents related to number of cells connected to Akku 1 output
Voltage
6V
9V
11- 26V
34V
40V
45V
50V
No. of cells
~4c
~6c
~8-16c
~20c
~24c
~27c
~30c
-430d
-530d
-636+,e
2.7 A
2.7 A
2.7 A
5.0 A
5.3 A
5.3 A
5.0 A
6.0 A
8.0 A
4.5 A
6.0 A
8.0 A
3.5 A
4.8 A
6.5 A
2.9 A
4.0 A
5.6 A
2.5 A
3.5 A
4.8 A
Akku 2 output:
4 or 5 Ni-Cd cells,
Charge current 330 mA or 500 mA,
Capacity, according to charge current: 100mAh to 3Ah (at 330 mA) / 250mAh to 4.5Ah (at 500 mA).
Other features:
- fully automatic charge current calculation for Akku 1 (patent application submitted)
- Akku 1 und Akku 2 outputs can be used simultaneously
- Both battery outputs suitable for charging Ni-Cd cells
- Akku 1 output also suitable for lead-acid and lead-gel batteries (min. capacity 1Ah)
- Akku 1 output also suitable for use with Ni-MH batteries
- Safety charge termination after 3 hrs charge period at Akku 1 output
(4h for 3dc program, 1st charge phase)
- Safety charge termination after 9 hrs charge period at Akku 2 output
- Tolerances at Akku 1, current: typically 5%; max. approx. 15% or 250 mA (higher value applies)
- Tolerances at Akku 2, current: typically 5%; max. approx. 10% or 100 mA (higher value applies)
- Dimensions (all models) [mm]: 207 x 142 x 58
- No-load current drain: approx. 200 mA
- Continuous charge output at 100mA (mean value, pulsed 400mA supply)
- Maximum discharge power dissipation 16 Watts
- Power supply voltage: 11 - 15.2 V
- Low voltage warning threshold: 11.25 V (10.5 V at reduced setting)
- Low voltage power cut-off: 10.75 V (9.75V at reduced setting)
- Cartridge fuse at Akku 1 output: 5 x 20 mm, rating M 16 A
- All data refer to a car battery voltage of 12.5V DC
- Recommended car battery: 12 V / greater than 63 Ah; minimum capacity: 12 V / 42 Ah
Applicable to isl 6-636e only:
- Small display; no discharge stage; melody module and switched output not available
schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
e-mail: [email protected]
page
22
isl 6 chameleon: rapid charger series
11Error messages and their
causes
IWhen certain limit values (car battery voltage,
charger temperature, maximum charge power)
are exceeded, the result may be to cut off the
charge process (e.g. excess car battery voltage), or the screen may show an error message
while the buzzer sounds; the buzzer is switched
off automatically after a certain time.
- If an error message appears, the screen
only shows the charged quantity from then on;
the charge period and charge voltage can no
longer be read off.
- At the Akku 2 output a battery voltage of less
than about 0.5 V will cause the charger to assume incorrect polarity.
Error No.
Cause of error
Akku1 Akku2
The cause of the error is
explained in plain text together
with the error number
41
42
Charge period > maximum1
82
-
Battery voltage > maximum2
51
-
Converter voltage > maximum
52
-
Charge current > maximum
62
-
Power dissipation of
charge source > maximum
-
-
Power dissipation of discharge
current sink > maximum
61
-
Charger converter power
> maximum2
General errors
74
Charger current drain > maximum
73
Charger temperature > maximum
5
Car battery voltage low
72
Car battery voltage < minimum
75
Fuse blow3 (after 94 series)
[1] Cause: the battery, usually a receiver pack, is not
being charged at high current (< 1C). Time > 3
hours or > 4 hours, 1st phase, 3DC program.
Remedy: use 2.5mm2 charge cable with short adaptor cable (max. length 5 cm) to receiver battery.
Never charge through a switch harness with integral charge socket.
[2] The charger may report "disconnect Akku1" and
other inexplicable errors if ...
... the unit is run from a car battery which is itself
being charged by a car battery charger.
... the unit is run from an unsuitable mains PSU as
power source.
[3]Cause: Short-circuit between positive terminal of
Akku 1 socket and car battery negative terminal.
Remedy: Open case and replace internal fuse (5 x
20mm cartridge, rating M 16 A). Disconnect unit
from power supply before opening (remove 3 exposed screws).
Note: This message may also appear if a conductor
burns through in an early model of charger. Send
the charger to our Service department, as it is not
usually just the conductor that is faulty.
Error: EMPTY message in a Ni-Cd charge program
after approx. 30 seconds:
Cause: a) 1-3 cell battery connected for charging,
not started with the D.1 program. b) At the start of
the charge with a completely flat battery (0V) a
warning appears until minimum voltage is reached.
Note: this message may also indicate incorrect polarity. Check this, otherwise you could accidentally
"charge" the pack the wrong way round.
Error: disconnect battery 1/2 and/or Power-On Reset:
Cause: a) One or more batteries was connected to
the charger before it was connected to the car battery.
b) The "watchdog" has tripped in mid-charge or
mid-discharge. It responds when the micro-processor is in a state which the software does not
recognise, perhaps due to outside interference.
Note: Not an error! The charger is incapable of deciding whether a lead-acid or Ni-Cd program has
to be selected, or whether a charge or discharge
program is to be used.
Error: The isl 6 does not respond to the buttons.
Note: Not an error! During the measurement phases
("!") and towards the end of the charge process
the programs must not be altered, as the isl 6
must be allowed to detect the imminent "full" state
(screen: a, b, c ...) without outside interference.
schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
e-mail: [email protected]
isl 6 chameleon: rapid charger series
schulze
operating instructions software-V6.31, date of issue 27 NOV 1997
elektronik
gmbh
page
23
12 Trouble-shooting
Dear customer,
If your charger appears not to work as you expect it to, please run through the measures outlined below step by step before assuming that it is faulty.
Only if you have completed all these checks, and the problem is still present, ring us on Tuesdays or Thursdays for technical advice. Even better, fill in the service questionnaire (next page) and
send or fax it to us. We will then ring you back with advice.
From long years of experience with our battery chargers we know that most problems do
not arise if the points listed below are followed to the letter.
If we receive your charger but can find no fault with it ("no fault found") - which usually
means that the measures described below have been ignored - please note once again that
we incur costs in checking the unit, and that those costs are payable by you even if the charger is within the warranty period.
1. Connect the charger to a fully charged car battery with a capacity of at least 60 Ah. Do not
use a mains-powered Power Supply Unit!
2. For the power supply to the charger use only the original cables and terminal clips. Connectors such as wander plugs, car cigar lighter plugs etc. are not suitable! If you have made changes,
kindly restore the original cables and clips. Take care to produce sound soldered joints - no "solder
blobs" or dry joints, please!
3. Charge cables for all batteries should have a conductor cross-section of 2.5 sq mm. The
charger's automatic current setting circuitry is only capable of setting a suitable (i.e. high) charge
current for your battery if the cable is of this cross-section. Give the automatic circuit a fair chance!
4. Just as important as the charge cables are the connectors attached to them. Use the proven 4
mm gold-contact connectors at the charger end (don't use expensive wander plugs). Your flight
packs should already be fitted with gold-contact connectors. Tin-plated connectors are completely
unsuitable as their transfer resistance is high and they are prone to intermittent contact.
5. If you observe Points 3) and 4) and connect a discharged battery to the charger, the fully automatic charge mode should set a current of at least 1C, usually as much as 2C, after about 5 - 10
min-utes. If this is not the case, then the internal resistance of the battery is probably excessive. In
short, your battery has "had it", or is not suitable for rapid-charging.
6. Ensure that there are no defective cells in the battery pack. Bad cells usually heat up early in
the charge, and then cause the charger to switch off prematurely, and/or to set too low a charge
current in automatic mode.
7. If the 3-hour limit is exceeded when you are charging from the Akku 1 or Akku 2 output in automatic mode, then something is wrong with your charge cable, your connectors or your battery.
Perhaps too small a cross-section in the charge cable? Connectors not good-quality gold-contact
types? Dry solder joints? Battery ready for the bin, or not designed for rapid-charging?
Establish the reason! Attempting to alter the 3-hour time limit is not the way forward, as in most cases a charge period of one hour already indicates that something is amiss. After 5 - 10 minutes the
automatic circuitry should have set a charge current of at least 1C!
8. Have you read the information in Chapter 1 (Warnings) and 2 (How to obtain reliable, troublefree operation) and observed the recommendations?
schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
e-mail: [email protected]
page
24
isl 6 chameleon: rapid charger series
13 Service questionnaire
Your address:
and
Telephone No.:
To: schulze elektronik gmbh
Fax-No. 06151 / 1306-99
Please complete every section.
If a fault arises please return this form with the unit!
Battery:
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Your information:
Purpose (Transmitter, receiver, flight pack)
Manufacturer
No. of cells / voltage
Capacity
Type
Cells soldered or clipped
Charge cable connector
Example:
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Charge cable:
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Length
Cross-section
Charger connector
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Transmitter
Sanyo
8-cell / 9,6 V
1700 mAh
1700SCE
soldered
Barrel
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Original <xyz>
1.5 m
0.14 sq mm
Wander plug
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Power supply:
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Fault with mains PSU power:
PSU type
Output voltage
Maximum output current
Fault with car battery power:
Nominal capacity, car battery
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yes
Power 150
13 V
11 A
no
45 Ah
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Charger:
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Type
Charge output used
Charge program selected
(Automatic mode:) max. charge current
(Automatic mode:) charge current at fault
Duration of charge
Battery temperature at termination
Error message
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isl 6-430d
Akku 1
Auto C
0.83A
0.25A
133 min
30°C
# 52
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Description of fault:
schulze elektronik gmbh • prenzlauer weg 6 • D-64331 weiterstadt • tel: 06150/1306-5, fax: 1306-99
internet: http://www.schulze-elektronik.com
e-mail: [email protected]
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