Engel CTS2 Manuel utilisateur

The CTS2 is the latest generation control device forming a compact unit with the piston tank. CTS2 is desi-

gned for a single piston tank type EA with AutoStop. The standard version (without Hall sensor) can be ope-

rated either via a control stick or a 3-position switch (on/off/on) on the transmitter. Control commands are

F LL-STOP-EMPTY of piston tank (meaning: submerge-stop-resurface of model).

CT 2 with Hall sensor (optional, item no. 1585-H05 )

Switch unit CTS2 can also be upgraded to proportional piston tank control by which the piston is driven to

a position set by the transmitter. The exact position is detected by a so-called Hall effect sensor connected

to CTS2 by a three-core cable and pre-mounted on a separate PCB. To activate this mode the two contact

pins on the back side of CTS2 marked MODE are connected by setting a jumper. This proportional CTS2

version requires a linear slider (alternatively a rotary switch) on the transmitter. Receiver signal must lie bet-

ween 0.7 and 2.3 ms which is automatically detected by CTS2. Therefore, CTS2 is suitable for all conven-

tional R/C systems.

The Hall sensor is switched through magnets mounted on to one of the piston tank gear wheels. The piston

tank can then be operated in two different modes. n the first mode, called 20/80, the first 20% on the sli-

der of the transmitter control the first 70% of piston movement. The last 80% on the slider control the last

30% of piston movement. This mode allows precise trim of the boat and is preferable for most piston tank

volumes. n the second, so-called linear mode the entire piston tank volume is controlled on the slider. This

only makes sense for piston tank volumes with less than 300 ml, as resolution of the slider (or rotary switch)

is otherwise too low to allow for exact trimming of the model.

Piston tank used must feature end switches for safe termination of piston movement at its corresponding

end positions (e. g. completely full or empty). All ENGEL piston tanks are equipped with such end switches.

The control current for the unit is fed in by the wire lead connecting to the receiver. Receiver current should

be 4.8 to 6 V as common for most R/C components. CTS2 can take currents up to 8.4 V. However, most

servos and receivers cannot bear such high voltage. Operating current depends on piston tank used (6 or

12 V) and supplied by the main battery.

With the optional pressure switch (item no. 5029) connected, maximum depth is limited to approx. 1.8

meters (about 5.9 ft). f the model dives below this level, CTS2 will automatically switch to BA L and empty

the tank. The model will then resurface if the slider is still set to BA L. Otherwise, with the slider left in its

initial position the model will emerge to a depth above 1.8 meters after which the tank will start filling again

until the piston has reached the position according to the slider.

Furthermore, the pressure switch (DS) acts as a second security device. Should the overpressure which

builds-up within the hull while submerging (by filling the tank) be lost due to a leakage, the "submerge”

mode will be terminated. n this case, the yellow LED flashes steadily and the system does not allow the

model to submerge again until leakage has been cured. Furthermore, CTS2 offers another fail safe devi-

ce. f the transmitter signal is lost - due to increased depth or other circumstances - CTS2 will also auto-

matically switch to BA L. Automatic resurfacing will also be initiated if receiver battery or receiver itself fails.

CTS2 also offers a so-called Battery Voltage Monitor. The voltage of the main battery is permanently veri-

fied. Should voltage fall below a specific threshold value for more than 5 seconds, the unit will switch to

BA L. Threshold value is factory set to approx. 4.5 V for 6 V operation or about 9 V for 12 V operation (adju-

stable). Low battery mode is indicated by the red LED.

t is highly recommend to always making sure all batteries are fully charged before your model commen-

ces its journey!

Connecting Piston Tank and Pressure witch to CT 2

Before mounting CTS2 to Piston Tank, make up cables connecting motor poles to tags of micro switches

from wires, yellow and violet (each. about 120 mm long) as well as blade receptacles and heat shrink tube

supplied with CTS2. Skin each wire end and tin coat with soldering iron. Crimp one receptacle onto each

wire. Cut heat shrink tube supplied in half (to about 20 mm), push over receptacles and shrink with heat

gun (about 130°C). Solder other wire end directly onto connection tag of motor.

Connection between micro switches S1 and S2 with corresponding motor poles is made as illustrated.

nstall wires accurately around spindle and motor.

CAREFULLY widen the four blade receptacles (pre-soldered to CTS2's back side) with a small screwdri-

ver. Coat contact tags of micro switches with contact spray in order to prevent oxidation. Slide receptacles

of CTS2 CAREFULLY onto micro switches. This will require some pressure but must be done with GREAT

CARE to avoid damaging the circuit board.

The optional pressure switch connects to the 2-pole pin row of the CTS2 marked DS. BEC connector cable

no. 9128 is ideal. On the pressure switch only contacts 1 and 3 are employed. Polarity is irrelevant.

Compact Tank SWITCH

for Piston Tanks type EA in 6 and 12V item no. 1584-CTS2

www.modelsubmarines.com

Since 1952

ALEXANDER ENGEL KG

Quality Model Kits & Accessories since 1952

P.O.Box 1133 D-75434 Kn ttl ngen • Germany • Phone: nt.+49 (0)7043-93520 Fax: nt.+49 (0)7043-31548 • Ema l: [email protected]

Connecting and Fitting Hall ensor and Magnets

Position and attachment of sensor and magnets depends on the particular piston tank. Hall sensor upgrade (item no. 1585-H05S) inclu-

des four neodymium magnets as well as a longer screw and washer for mounting Hall sensor to a micro switch. Additional magnets in

various sizes and shapes are optionally available.

n theory, precision of trim increases with amount of magnets used. This is only true to a certain extend, though. Neodymium magnets

have very strong magnetic force. Therefore, when using such powerful magnets these should be positioned at a distance to one ano-

ther. Otherwise their magnetic fields lead to mutual disturbances. This will result in less accuracy or even system failure. A pair of

magnets mounted to the main gear wheel (spindle) allows an accuracy of half a rotation. Mounted to the middle gear accuracy is alrea-

dy multiple. Using two pair of magnets will result in duplication of accuracy. For piston tanks in 6 V with 540 size motor as well as 12 V

with 380 size motor the middle gear wheel is ideal for mounting up to three or two pair of magnets respectively. Hall sensor can be

mounted directly to micro switch S1 (as shown on the next page).

The middle gear wheel of piston tanks in 12 V and 540 size motor is rather small. For this type of tank the main gear wheel (with spind-

le bushing) is a better alternative. Four pairs (= eight magnets) of disc shaped neodymium magnets 1.5 x 0.5 mm (item no. 5810-1510)

will allow for accurate trim. The Hall sensor can be attached to micro switch S1.

Magnets are positioned so that north (N) and south (S) pole come by the sensor alternately. Magnets can be glued with Cyano

("Superglue"). Make sure to degrease surfaces to be glued thoroughly. Distance between magnet and sensor should be 2 mm or less.

connections

FRONT SIDE

connections

BACK SIDE

Firstly, Hall sensor is mounted to micro switch S1 whereby only the screw lying

directly at the CTS2 is removed. The second micro switch screw should not be

left untightened to avoid misalignment of the switch. Place Hall sensor’s PCB

with its bore onto the bore of the switch, place the washer onto the PCB and

insert the longer screw (supplied with Hall sensor). The PCB should lie hori-

zontal (aligned with micro switch) without touching the middle gear wheel of

the piston tank.

Mark position of Hall sensor onto gear wheel. Remove bearing pin of middle

gear wheel with appropriate screw driver. Magnets are positioned so that north

(N) and south (S) pole come by the sensor alternately. Magnets can be glued

with Cyano ("Superglue"). Make sure to degrease surfaces to be glued

thoroughly. Distance between magnet and sensor should be 2 mm or less.

Re-grease bearing pin (with Q-Lube, item no. 9705) and fasten middle gear

wheel to piston tank.

ATTENTION - ensure correct adjustment of end switches!

The actuator of micro switch S2 must be kept at the smallest possible

distance to the conical part of the pilot shaft. Furthermore, it must be

ensured that the actuator is pressed inwards and not sideways when

the pilot shaft moves outwards. Otherwise the piston within the tank is

likely to be moved over its most outer end position resulting in ultima-

te blocking of the tank mechanism! Picture shows Hall sensor (mounted to S1) as well

as four magnets (mounted to middle gear wheel) on

piston tank 12V with motor size 380.

Proportional Control (with Hall sensor)

Hall sensor is fitted and connected to CTS2. Both jumpers MODE and SETUP are plugged onto CTS2.

Receiver is ON and proportional slider is placed to BA L (empty tank = resurface mode).

Switch receiver ON: green LED will light up indicating that receiver signal is satisfactory. Should piston rod not be fully

retracted already piston tank drive will start and empty the tank (i.e. piston rod will be driven to actuation point of micro

switch S1) and stop instantly. Actuation of Hall sensor is indicated by the CTS2’s yellow LED.

Now the green LED will start to blink: CTS2 measures receiver signal BA L.

The green LED shows a double blink: Push slider to F LL (fill tank = submerge mode). The unit now measures receiver

signal F LL. Piston tank remains idle.

The green LED shows triple blinking. This indicates that the unit is ready for setting of mode, either to linear or 20/80.

With slider remaining in F LL position and pulling of jumper SETUP will switch CTS2 to linear mode. Yellow LED is OFF.

By pushing the slider to BA L (yellow LED is ON) and pulling of jumper SETUP will switch the unit to 20/80 mode.

Piston tank now starts running with the CTS2 measuring piston tank length. Yellow LED indicates actuation of the Hall

sensor. Piston is driven from its "empty" to its "full" position while Hall sensor counts the switching operations required

for that full piston stroke.

Finally, piston is driven very shortly to BA L in order to account for possible overrun whereby piston is briefly stopped.

Piston then travels to the set position. Lighting of the green LED indicates that the system is now fully operational.

This setup procedure can be repeated simply by starting anew: Switch CTS2 OFF, plug jumper SETUP back onto CTS2 and

switch unit ON again. Restart setup at step 1.

Jumper MODE remains plugged onto CTS2 as this activates Hall sensor mode. Jumper SETUP is required for programming

only and is layed aside after successful setup of the unit.

Magnete

Hall-Sensor

Ensure correct direction of flow! Connect CTS2 to the main battery BUT leave the receiver switched OFF. CTS2 must switch

to BA L (empty). f piston tank runs in the opposite direction (i.e. piston rod extends outward) tank must MMED ATELY be stop-

ped by switching off main power. Reverse polarity on the motor (NOT on CTS2). Otherwise piston tank will not stop at its end

position (micro switch) and stall!

RED LED indicates low battery voltage. This consequently requires the main drive battery to be charged. f red LED is lit although

battery voltage is sufficient threshold voltage might be set too high. This can be adjusted with potentiometer on CTS2.

CLOCKW SE rotation of the potentiometer DECREASES threshold value, meaning that low battery mode will set-in later (e.g. at a lower

voltage). ANT -CLOCKW SE rotation will NCREASE this value; the battery monitor will activate resurfacing at higher battery voltage.

For accurate adjustment a regulated mains unit is recommended. Alternatively, a battery with corresponding voltage can be used.

Adjustment of threshold voltage: Set power supply to desired voltage. Connect CTS2 to power supply. Pull off jumper from pins mar-

ked MODE. Connect CTS2 to receiver. Turn potentiometer on CTS2 until RED LED lights up. When red LED is lit means that desired

threshold voltage has been reached and properly adjusted.

Blinking of YELLOW LED indicates activation of pressure switch. CTS2 will remain in BA L (resurfacing) mode as long as pres-

sure switch remains actuated.

GREEN LED indicates good signal quality. f transmitter signal is too weak or lost the GREEN LED will be off. A lost or faulty signal

will cause CTS2 to automatically switch to BA L. CTS2 will only react to transmitter commands after signal has reached acceptable

strength. Other than that the unit will remain in RESURFAC NG mode.

During transport and storage main drive battery should be separated from the unit as otherwise battery will be discharged over time.

The fail safe system of CTS2 might not function properly if your receiver already features such a device. Please refer to manual of your

R/C system or consult the manufacturer if in doubt.

Possible Failures and Probable Causes

During setup:

Green LED always blinks once (or twice) and setup does not progress.

• Signal received is either not continual (e. g. interference) or shows negative values which can be either too low, too high or too close

to midpoint (1.3 - 1.7 ms).

• Differential between "fill" to "bail" signal is too small.

Yellow LED does not blink. Green LED blinks hectically.

• Check Hall sensor and magnets. Probably disturbance caused by other magnets (i. e. motor).

• Distance between sensor and magnets too large.

• Length of piston tank incompatible, i. e. more than 65,500 impulses.

• Override too large, larger or equal to 200 impulses.

During operation:

Green LED is off but unit is still functional.

• Receiver signal is weak or disturbed.

Green LED is off and Piston Tank switches to BA L.

• Magnet impulses false, probably disturbance caused by

other magnets (i. g. motor).

• Receiver signal shows major disturbances or is totally lost.

• Piston Tank is mechanically blocked.

• Drop in voltage of receiver battery.

Technical pecifications

Control voltage 4.0 to 8.4 V (receiver power)

Operational voltage 6 to 24 V (main battery)

Switching load max. 10 A

Ascertainable impulses 65,500 (Hall effect sensor)

Weight switch unit 35 g

Hall sensor 7 g

CT 2 includes

• 1 Compact Tank Switch CTS2

• 1 wire and connector set

Optional Hall sensor upgrade includes (item no. 1585-H05 ):

• 1 Hall sensor on PCB, rubber-coated, with connection cable

• 2 jumpers

• 4 neodymium disc-shaped magnets 3 x 1 mm

• 1 screw M3 x 40 mm stainless steel

• 1 washer stainless steel

Trouble-free operation of the switch unit might

only be possible in PPM modulation. n PCM modu-

lation the unit may show dysfunctions (or not operate

at all) due to non-standardized transmission signals in

PCM. Ensure that your R/C system (transmitter and

receiver) can be used in PPM. Please refer to the

manual of your R/C for setting your system to PPM.

Please read the following instructions and safety warnings carefully

BEFORE you commence with the assembly of this unit and installa-

tion of the dive system. For further safety instructions please refer to

the instructions supplied with Piston Tanks. During the charging peri-

od all batteries must be removed from the hull. NEVER charge bat-

teries inside the hull as almost all battery types gas while being char-

ged. nsufficient air circulation during the charging period may lead to

a serious EXPLOS ON! We are not liable for any personal injury or

damage of any kind incurred during the assembly and/or use of our

products as we are neither able to delegate nor verify the assembly

and/or use of these items. Please adhere to your country’s safety

guidelines during construction and operation of this item. This pro-

duct is not suitable for persons under 16 years of age. Technical spe-

cifications are subject to change without notice.

This symbol indicates that after the service life of this elec-

trical device has ended it must be disposed separately

from domestic refuse at your communal waste collection.

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