Holland Type 11-B User manual

Manual
Electronic Compass
System TYPE11-B

Table of contents.
Testreport 3
Introduction 4
Mounting the sensors
- Type MC4 5
- Special mounting brackets 6
- Type MC2 and MC5 7
Repeater Type 11-B 8
Electronic unit Type IN11-B 8
Wiring 9
Compass adjustment of deviations 10
Deviation graphic 11
Deviation table 12
Trouble shooting 13
Wiring diagram 14
Operation of the compass system 15
Compensation ranges 16
Declaration of conformity 17
Latest compensation adjustment positions 18
Switch, adjust trimmers and potentiometer positions 20
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Author G.C.Gravekamp Validated by R.E.J. 't Hooft
Date 5-10-2002 Date 28-10-2002

I.T. Holland
Houtweg 18
2461GR Ter Aar
tel : [phone]
fax : [phone]
http://www.itholland.com/
Testrapport/Testreport
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Type
serial # /
serie #
test date/
test datum
delivery date/
afleverdatum
warrenty expires/
garantie verloopt
compensator dem. scale/
vereiste bereik + -
remark(s)/
opmerking(en)
A (deg) +/- 3
B (deg) +/- 720/H
C (deg) +/- 720/H
D (deg) +/- 7
E (deg) +/- 3
V(uT) +/- 75
reference/
referentie
indication 1/
aanwijzing 1
diff. 1/
verschil 1
indication 2/
aanwijzing 2
diff. 2/
verschil 2
remark(s)/
opmerking(en)
000
045
090
135
180
225
270
315
000
Tested by/ getest door authograph/handtekening
.........................................................................
Local geomagnetic data 2-6-2003
-Inclination (deg.) 67°
Inclination field (uT) 48.636
Vertical field (uT) 44.800
Horizontal field (uT) 18.932
NB. Compensators are set in neutral position after testing. The above mentioned values are not valid
on board the ship. Compass compensation must be done by an authorized compass adjuster.
NB. Compensators zijn in de neutrale positie gezet na het testen. De hierboven genoemde waarden
zijn niet geldig aan boord van het schip. Kompas compensatie mag alleen door een officieele kompassteller
worden uitgevoerd

Introduction :
Thank you for buying our compass system Type 11-B.
By reading this manual you will become some what more
informed with the installation and operation of this compass.
The compass system Type11-B comprises 5 parts :
1. The sensor (MC2/MC4/MC5)
2. The repeater Type 11-B (DIN192/DIN144)
3. The electronic unit IN11-B
4. Mounting bracket for the sensor
5. 3 m. cable for repeater connection
The Type 11-B compass system can be used for remote reading of
a magnetic compass system, as well as a stand alone compass
system, depending on what type of sensor is applied.
When the sensor type MC4 is applied it is a T.M.C. system
(Transmitting Magnetic Compass). This compass system is
applied in situations were it is not possible or it is not prefered to
read a magnetic compass directly.
When the sensor type MC5 is applied it is a stand alone compass
system for see going vessels in a restricted area within 30 miles.
Outside this area it is permitted to apply the system as an extra
compass system.
The sensor type MC2 is applied on yachts and (small) professional
vessels for inland shipping. The main and only difference between
the sensors MC2 and MC5 sensor is that the MC5 has an extra coil
to compensate the vertical field of the ship.
Mounting instructions for all sensor are included in this manual.
The Type 11-B compass system complies to the MED/96/98/EC
(see declaration of conformity on page 17).
Certificate N°: 12385/A0 EC BV 006202 awarded by Bureau
Veritas / Marine Division
For more information :
I.T. Holland
Houtweg 18
2461GR Ter Aar
T : [phone]
F : [phone]
E : [email protected]
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Mounting the sensors :
Type MC4 :
The sensor must be mounted exactly in the center under the
magnetic compass. Therefore a special bracket is included,
which must be sticked to the glass at the bottomside of the
compass. The bracket is supplied with special double sided
adhesive tape to ensure maximum contact.
The bracket keeps the sensor at it's minimum distance from the
magnets of the compass. If the repeater proofs to be to sensitive
and the sensitivity can not be adjusted electronically, the sensor
must be placed further away from the compass. In this case a
special request can be made for an other bracket.
In case an other instrument needs the magnetic compass as
reference, combination brackets are available
NOTE: THE CENTERING OF THE BRACKET MUST BE
CARRIED OUT WITH EXTREME ACCURACY. TO
ALLOW PROPER OPERATION OF THE COMPASS
SYSTEM THE DIFFERENCE OF THE CENTER OF THE
BRACKET AND THE CENTER OF THE MAGNETIC
COMPASS MAY NOT DIFFER MORE THAN 1 mm.
LARGER ERRORS THAN 1 mm WILL RESULT IN A
NOT FULLY ADJUSTABLE COMPASS SYSTEM
Centering the sensor :
- place the compass upside down on the workbench.
- clean the glass with a solvent.
- make a dot of appr. 2 mm. in the center of the glass with a
markerpen
- using a pair of dividers you can scratch a cross in the ink.
- remove the cover from the adhesive tape mounted on the
bracket
- look through the hole in the bracket, centering on the
scratched cross.
- firmly press the bracket on the glass.
The sensorcoil can be mounted in the bracket and secured with
the three brass screws. The cable of the sensor must point to the
stern of the ship. The nylon bolt in the coil must point to the
compass (after mounting the compass, the bolt is on top of the
coil).
Remount the compass in the hinges and fix the cable near the
compass. Make sure that the cable cannot disturb the cardanic
freedom of the compass.
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Special mounting brackets :
- Mounting bracket for MC4
combination with anschutz coil
- Mounting bracket for MC4
combination with Robertson CD109
coil
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Sensor Type MC2 and MC5 :
As written in the introduction, the sensors MC2 and MC5 are
applied for the stand alone compass systems. Both sensors
measure the earth magnetic field and are therefore sensitive to
magnetic disturbances. To minimize the deviations caused by
these disturbances, apply the following guide lines for
mounting the sensor :
- Minimum distance to steel, in all directions, depends on
proper operation of the system. Guide line is aprox. 1 meter.
- Mount in centerline of ship, between bow and stern.
Make sure the fore/aft mark is as parallel as possible to the
centerline between bow and stern, with 'fore' pointing to the
bow of the ship. This will prevent big A-adjusments by the
means of rotating the sensor.
- Not at same hight as communications and radar antenna's
- Horizontal (parallel) in reference to ships deck
When you have mounted the sensor according to the above
mentioned guide lines and the repeater has a 'nervous' heading
indication when the ship pitches and rolls, it indicates the
presence of a vertical magnetic field, which has to be
compensated. This can only be done when the sensor type
MC5 is applied.
When the sensor is mounted to high, it will certainly minimize
the magnetic disturbances, but at the same time it can introduce
a higher rate of wear down of the internal cardanic suspension,
as well as a 'nervous' heading indication of the repeater when
the ship pitches and rolls.
A special mouting bracket is delivered with the sensor.
The sensor can be mounted in a movable mast. Lowering down
the mast will not damage the sensor (if done with care).
However, the system will not indicate a proper heading if the
sensor is not in the upright position.
Visual difference between MC5 and MC2 sensor is that the MC5 has a
brass knob on top and the MC2 has a (smaller) red pvc knob.
Do not try or use any tools in attempt to turn or loosen these knobs.
BOTH ARE NOT INTENED FOR ADJUST PURPOSES !!!
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Repeater Type 11-B :
The repeater is standard flush mounted.
The repeater is not sensible for magnetic disturbances,
therefore it can be mounted on every location and in every
position but the distance between the repeater and the
magnetic compass may not be less than 1.5 mtr.
The repeater is water resistant, NOT waterproof, therefore it
may not be mounted outside. Precautions against humidity
and salty environment have been taken.
Repeater dimensions :
Electronic unit Type IN 11-B :
The electronic unit type IN11-B is the main part of the
compass system. All signals, compass adjustments of
deviations and sensitivity of the system are processed in this
unit. Therefore this unit must be mounted at an easy
accessable place for compass adjustment and service !!!
To access the electronic unit, open its front panel.
TAKE ESD PRECAUTIONS BEFORE YOU START
SERVICING OR ADJUSTING !!!
4 special holes for mounting the unit are in the bottom of the
housing, which are near the corners of the housing next to the
mounting holes of the front panel. No special bracket is
needed.
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DIN 192 DIN144
Hight 192 mm 144 mm
Wide 192 mm 144 mm
Depth 72 mm 72 mm
Compass card 150 mm 108 mm

Wiring of the Electronic unit Type IN11-B :
The wiring diagrams are shown on page 14.
The systems power supply must be within 18Vdc to 35Vdc maximum, both main and emergency powersupply (4,35VA / 24Vdc).
Both cables of the powersupplies must be with 2 wires and a screen.
Note : Connect the screen to the case of the electronic unit directly when it enters the housing by folding the screen back on
the outside of the rubber of the cable gland.
This will prevent HF disturbances from entering the case inductivly through the power supply cables. Keep the screen
connected on the inside of the housing so the incoming wires of the power supply can't pick up any internal signals.
Standard in/outputs of the electronic unit Type IN11-B :
- enable input for course setter / course alarm
- 20mVdc/° output signal with course alarm standard set on 10°
- potential free contact for external course alarm
- heading information output in NMEA0183 (2x)
- external dimmer input
For other options, additional interfaces are available. Please do not hesitate to ask us for information. If an option is part of the
delivery, the relevant information and instructions will be added to these instructions.
Connecting the sensors, special attention should be paid to the following :
- all the sensors MC2/MC4/MC5 are supplied with special cable and a watertight connector at the sensor side and a separate
connector for connection in the electronic unit.
- this cable is very delicate and has to be installed with care
- this cable has separately shielded leads in order to prevent cross interference.
- in case you need a longer cable than delivered or additional cable for extension, you are strongly advised to use our special
cable. Using other types of cable might lead to non-solvable accuracy problems of the system.
- cable extensions up to 100m are possible.
Connecting the compass cable in the electronic unit IN11-B :
- remove the black outer insulation over a length of appr. 20 to 25 cm. The different colored leads with their shielding/screen
will become visible.
- remove these shieldings/screens from all except from one lead, cutting them off near the black outer insulation.
- make one lead of the remaining shielding/screen, by twisting them between thumb and indexfinger. If you use all the
shielding leads, the total lead will be to thick to handle and there may be a higher chance for short circuit caused by loose
strands.
-Note : Connect the screen to the case of the electronic unit directly when it enters the housing by folding the screen back
on the outside of the rubber of the cable gland.
This will prevent HF disturbances from entering the case inductivly through the power supply cables. Keep the screen
connected on the inside of the housing so the incoming wires of the power supply can't pick up any internal signals.
- remove the insulation from the different leads for appr. 5 mm.
- fold the strands back along the insulation and then insert them into the
terminal.
- do not solder the ends of these leads, because soldered leads tend to
break easily caused by vibrations of the ship.
The sensor MC4 is supplied with 2m cable and a watertight connector.
Cable lenght from magnetic compass to the electronic unit has to be
ordered seperatly.
The sensor side of the connector is wired as follows and the other half must
be wired the same (see table) :
The sensor MC2 is supplied with 10 m of cable and a watertight connector.
The sensor MC5 is supplied with 15 m of cable and a watertight connector.
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pin MC4 MC2 MC5
1- - WHITE
2* - - BLACK
3WHITE 6* 2*
4YELLOW YELLOW YELLOW
5BLUE BLUE BLUE
6* RED RED RED
7BLACK BROWN BROWN

Compass adjustment of deviations :
In the electronic unit are 6 potentiometers and 3 switches for
compensation of the "A", "B", "C", "D", "E" and "V" deviations.
In order to determine the deviations of the repeater in respect to
the true magnetic heading a steering table must be made :
Steer the ship one full circle and check the differences (deviations)
between the true magnetic heading and the repeater indication on the
headings N, NE,E, SE, S, SW, Wand NW.
A higher indication of the repeater means a -deviation.
A lower indication means a + deviation.
An explanation how to calculate the different adjustments
follows below.
"A" Adjustment :
A more or less equal deviation + or - on all headings, can be
neutralized by rotating the sensor in the bracket and a fine
adjustment can be done with the "A" potentiometer. On delivery this
potentiometer is set in the neutral position.
Do not rotate the sensor after adjusting the other deviation
components. This will 'damage' the made adjustments. Therefore
adjust A-deviation before starting the adjustments of the other
deviation components (B, C, D and E).
If the A-deviation is more than 5 deg., rotate the sensor in the bracket
first, but not further than the scale on the sensor. Then use the "A"
potentiometer for fine adjustment.
Formula to calculate A correction is :
A=(dN+dNE+dE+dSE+dS+dSW+dW+dNW)/8
"B" adjustment :
With "B" the deviations on the E/W segment can be eliminated. With
the switch the compensation direction can be selected: +, 0 or -.
With the potentiometer the range is set.
With the switch in "0" position no correction is made.
After compensation has been carried out, leave the potentiometer and
the switch in set position.
Formula to calculate B correction is :
B=(dE-dW)/2
"C" adjustment:
With "C" the deviations on the N/S segment can be eliminated. With
the switch the compensation direction can be selected : + or -.
With the potentiometer the range is set.
With the switch in "0" position no correction is made.
After this has been carried out, leave the potentiometer and the
switch in position.
Formula to calculate C correction is :
C=(dN-dS)/2
"D" adjustment :
With "D" the deviations on the NE/SE and SW/NW segments can be
eliminated. With the potentiometer the range is set.
On delivery this potentiometer is set in the neutral position.
After compensation has been carried out, leave the potentiometer in
position.
Formula to calculate D correction is :
D={(dNE-dSE)+(dSW-dNW)}/4
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TRUE
MAGNETIC
HEADING INDICATION DEVIATION
000
045
090
135
180
225
270
315

"E" adjustment :
With "E" the deviations on the N/E and S/W segments can be
eliminated. With the potentiometer the range is set.
On delivery this potentiometer is set in the neutral position.
After compensation has been carried out, leave the
potentiometer in position.
Formula to calculate E correction is :
E={(dN-dE)+(dS-dW)}/4
"V" adjustment :
Best executed by a compass adjuster who has the means to measure the disturbing vertical magnetic field of the ship. 'Nervous'
heading indication is an indication this should be done. By trail you can find a 'calmer' heading indication which means a 'good
adjustment' of the vertical magnetic field. A 'more nervous' heading indication means a 'bad adjustment of the vertical magnetic
field. Move the switch to 'v' and it enables the adjustment. In position V the adjustment is set to zero.
By moving the switch while adjusting the heeling compensation on trail, you can see the effect of the executed adjustment.
N.B. For adjustment ranges see page 16.
Deviation graphic
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Deviation table
Deviation table belongs to :...................................................................
Owner :...................................................................
Compass adjuster
Name : .................................................
Company : .................................................
Address : .................................................
ZIP code : .................................................
City : .................................................
Country : .................................................
Telephone : .................................................
Facsimile : .................................................
Signature : Date : .............................................
Place : .............................................
............................................................
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True Magnetic Heading Repeater Heading
indication
Deviation
000
015
030
045
060
075
090
105
120
135
150
165
180
195
210
225
240
255
270
285
300
315
330
345

Trouble shooting :
It may happen that the repeater does not function properly. It sometimes seems to show the right
course and sometimes not, only give 1 or 2 headings or rotates constantly.
First of all the sensor cable must be checked. For this you need a multimeter in resistance mode.
Disconnect the sensor cable from the electronic unit. You can check the disconnected cable as
shown in tables on the right side of this page.
All the measured resistances may be 10% more or less. Important is that the multimeter does not
indicate an open or short circuit.
Check the internal powersupply when the repeater rotates constantly. D29 en D30 on the
processor PCB must lit up to indicate power supply is OK.
You must make sure that there is no short circuit between any of the leads. A damaged coil is
very unlikely in case of the MC4 sensor, but can occur with the sensors MC2 an MC5.
So, first carefully check the cable, watertight connector and other junctions (if they are present).
In most cases an eventual problem may be found here. If they prove to be in order, then the
defect is inside the sensor. In this case the sensor must be repaired by an authorised engineer.
If the Type 11-B repeater does not respond at all and the instrument illumination does not work
either, the cable from repeater to electronic unit must be checked, as well as the mains and the
fuses. Make sure the voltage level is between 18 to 35 volts and that the power supplies
connections in the electronic unit are not reversed. If the power supplies are reversed the system
will not operate. The system is protected for incorrect connection of the power supplies. Connect
the power supplies in the correct way. If you need to replace the fuses use glass slow blow fuse
1A ( 20 x 5 mm). Location of the fuses is to the left above the mains connector.
The right polarity for connecting the power supplies are indicated in the wiring diagram.
Wrong or bad connections allmost never can inflict damage to the instrument(s). Only the mains could damage the electronic unit
if connected to terminals other then terminal 1/3 (+18 to 35 Vdc) and terminal 2/4 (0 Vdc).
In case a problem can not be located or solved, please contact your local dealer or I.T. Holland.
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Sensor MC4 Ohm
White- Black 90
Yellow- Blue 140
Yellow - Red 140
Blue - Red 140
Screen - Brown -
Sensor MC2 Ohm
White- Black -
Yellow- Blue 140
Yellow - Red 140
Blue - Red 140
Red - Brown 90
Sensor MC5 Ohm
White- Black 680
Yellow- Blue 140
Yellow - Red 140
Blue - Red 140
Red - Brown 90

Wiring diagrams :
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Operation of the system :
On/off switch
increasing set course
decreasing set course
Adjust illumination
On/Off :
When power is switched on, an operation led on the front of the repeater, aswell as the illumination, will lit up.
When power is switched to standby, both will be off aswell. To switch the system on press the on/off switch until the system has
become operational (± 1 sec.). To switch the system off press the on/off switch until the system has switched to standby
(± 3 sec.).
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When one of these buttons of the repeater is pushed, nothing will happen. These are only active when the course setter/course
alarm function is enabled. When the enable signal is present the heading of the moment the enable signal was set, is the reference
heading or set course. When one of these switches is pushed once the set heading will increase or decrease by 0.1°. If the present
heading regarding the set heading is more then 10° an alarm will sound. A potential free switch (relais) is also closed, which makes
it possible to connect an external alarm unit. The output voltage for connection to a riverpilot is 20mV/°.
The set heading can be made visable with an extra repeater, which will hold the set heading and the compass card will not turn,
except when its increase or decrease switches is pushed. For the extra repeater an extra pcb is needed to be able to drive the
repeater. When the enable signal is not present the extra repeater will function as a normal compass repeater.
Illumination :
Illumination can be adjusted with the adjust illumination switch. To increase the level of illumination press the dimmer switch
once and illumination will increase 1 step. When the maximum is reached the illumination will go to minimum level the next time
the dimmer switch is pressed.
Power failure :
When the main power supply is failing or below 18Vdc an alarm will sound and the power indicator led will be switched off.
System will still be operational but the alarm will only stop if the main power supply is restored.
Make sure the the emergency power is also present and above 18Vdc or the power failure alarm will not be operational.
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Compensation ranges :
The table shows the required range of the compensators, according to ISO11606.
*) adjustments and switch positions are set while testing the compass system before delivery. Local circumstances can effect
some of the set parameters.
for switch positions and adjust possibillities see pages 20 and 21.
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sensor/compensation A B C D E V opm./remarks
MC4 3 +/- 720/H +/- 720/H +/- 7 +/- 3 +/- - H = magnet of compass
MC2 3 +/- 720/H +/- 720/H +/- 7 +/- 3 +/- - H = local magn. field
MC5 3 +/- 720/H +/- 720/H +/- 7 +/- 3 +/- 75 uT +/- H = local magn. field

Manufacturers
Declaration of conformity
for
Product identification
Product : Electronic compass
Brand : I.T. Holland
Model/Type : ITH Type 11-B
Version : ITH Type 11-B-D
Additional information : different sensors can be applied
Manufacturer
Name : I.T. Holland
Address : Houtweg18
ZIP code : 2461GR
City : Ter Aar
Country : the Netherlands
Representative name : M.A.L. Kieven
Function : Managing director
A sample of the product has been tested by :
Name : Thales, P.O.Box 42, 7550GD Hengelo OV
: Kelvin Hughes Observator, Nieuwe Langeweg 41, 3194DC Hoogvliet
Address : see above
Country : The Netherlands
Standards used : SOLAS 74, as amended, Regulation V/12(r)(b)
: IMO Resolutions A.694(17), A.813(19)
: IEC 60945, IEC 61162-1
: ISO11606:2000E; ISO11606:2001E
Test report no. : 9501027206XX EQR 001 00.002 (Thales)
: 9501027279XX EQR 001 00 (Thales)
: 9501027187XX EQR 001 00 (Thales)
: R020847 (Kelvin Hughes Observator)
: R020848 (Kelvin Hughes Observator)
: R020849 (Kelvin Hughes Observator)
:
Means of conformity
The product is in conformity with directive 89/336/EEC based on test results using harmonized standards in
accordance with article 10(1) of the directive.
Signature of representative of manufacturer :
Place : Ter Aar
Date : 7-8-2002
Number:
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Latest compensation adjustment positions :
Date : ............................................ Date : ............................................
Compass adjuster : ............................................ Compass adjuster : ............................................
Date : ............................................ Date : ............................................
Compass adjuster : ............................................ Compass adjuster : ............................................
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Date : ............................................ Date : ............................................
Compass adjuster : ............................................ Compass adjuster : ............................................
Date : ............................................ Date : ............................................
Compass adjuster : ............................................ Compass adjuster : ............................................
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Switch and adjusttrimmers and potentiometer positions :
J1 - sensor connector (no. 5 through 11)
P1 - A adjuster
P2 - B adjuster
P3 - C adjuster
P4 - D adjuster
P5 - E adjuster
P6 - V adjuster
P7 - *manufacturer setting : adjustment maximum range B adjuster
P8 - *manufacturer setting : amplitude adjuster of the cosine circuit to make the amplitude equal to
the sine circuit (MC2/MC5)
P9 - *manufacturer setting : balance output signal of the cosine circuit
P10 - *manufacturer setting : balance output signal of the sine circuit
P11 - *manufacturer setting : amplitude adjuster of the sine circuit to make the amplitude equal to
the cosine circuit (MC4)
P12 - *manufacturer setting : balance adjuster of the A adjuster
P13 - *manufacturer setting : adjustment maximum range B adjuster
P14 - *manufacturer setting : balance adjuster of the V adjuster
P15 - 0 uT adjustmentof the V adjuster (when V adjuster is not neccessary, MC2/MC4)
SW1 - +/- switch B adjuster
SW2 - +/- switch V adjuster
SW3 - sensor selector adjuster range (MC4/MC2, MC5)
SW4 - sensor selector synchro input impendance (MC4/MC2, MC5)
SW5 - sensor selector excitation signal (MC4/MC2, MC5)
SW6 - switch V adjuster P14/P15
D5 - indication sensor selection MC2/MC5
D6 - indication sensor selection MC4
* manufacturer setting - Do not change these settings. If settings are changed the system will
not function properly.
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