Sabik Marine Vega VLB-44X Series User manual

VLB-44X
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VLB-44X Marine LED Beacon
(With Extended I/O Option)
Product Manual
Version: 1.0.2
Date: September 18th

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Disclaimer: Every possible effort has been made to ensure the validity of this document. It represents the current
view (as of the publishing date) on the functions and properties of the products mentioned in the document.
SABIK OY is not responsible for possible typing errors. The pictures and drawings are for descriptive use only.
The document may be updated or changed without notice.
Table of Contents
1. INTRODUCTION TO THE VLB-44X MARINE LED BEACON......................................................................... 4
1.1. OVERVIEW ............................................................................................................................................. 4
1.2. THE INITIAL POWER-UP.............................................................................................................................. 4
1.3. INFRA-RED PROGRAMMING ........................................................................................................................ 5
1.4. AUTOMATIC SCHMIDT CLAUSEN/MODIFIED ALLARD CORRECTION ....................................................................... 5
1.5. VLB-44X INTENSITY PERFORMANCE ............................................................................................................ 5
1.6. BEACON ON OVERRIDE ............................................................................................................................. 5
1.7. TRAFFIC LIGHT MODE ............................................................................................................................... 5
2. GETTING STARTED ................................................................................................................................. 7
3. TVIR REMOTE02 PROGRAMMING PROCEDURES & OPTIONS ................................................................. 8
3.1. PROGRAMMING OVERVIEW ........................................................................................................................ 8
3.1.1. Introduction ................................................................................................................................. 8
3.1.2. Programming Syntax.................................................................................................................... 8
3.1.3. Visual feedback ............................................................................................................................ 9
3.1.4. Troubleshooting TVIR Programming ............................................................................................. 9
3.1.5. Remote02 TVIR Programming Tutorial.......................................................................................... 9
3.2. PROGRAMMING FEATURES....................................................................................................................... 11
3.2.1. Flash character........................................................................................................................... 11
3.2.2. Custom Flash Character.............................................................................................................. 12
3.2.3. Day / Night control..................................................................................................................... 12
3.2.4. Effective intensity ....................................................................................................................... 13
3.2.5. Beacon synchronization.............................................................................................................. 13
3.2.6. Operation mode ......................................................................................................................... 14
3.2.7. Programming mode ................................................................................................................... 15
3.2.8. Battery Thresholds ..................................................................................................................... 15
3.2.9. System Checks............................................................................................................................ 15
3.2.10. PIN Code Option...................................................................................................................... 16
4. INSTALLING THE VLB-44X BEACON....................................................................................................... 17
4.1. THE MOUNTING STRUCTURE .................................................................................................................... 17
4.2. MOUNTING.......................................................................................................................................... 17
4.2.1. Base Mounting........................................................................................................................... 17
4.2.2. Central Pole Mounting................................................................................................................ 18
4.3. BIRD SPIKES ......................................................................................................................................... 19
4.4. MOUNTING THE VSU-29 PULSE SYNC UNIT ................................................................................................. 19
5. POWER SUPPLY & I/O CONNECTIONS.................................................................................................. 20
5.1. POWER SUPPLY REQUIREMENTS ................................................................................................................ 20
5.2. POWER SUPPLY CONNECTION ................................................................................................................... 20
5.3. BEACON INPUT /OUTPUT........................................................................................................................ 20
5.4. DIGITAL I/O CONNECTION TO VEGAAIS ...................................................................................................... 21
6. SYNCHRONIZATION WITH OTHER BEACONS ........................................................................................ 22
6.1. HARD-WIRE SYNCHRONIZATION OPTION ...................................................................................................... 22
6.2. EXTERNAL GPS SYNCHRONIZATION OPTION .................................................................................................. 22
7. SERIAL INTERFACE................................................................................................................................ 23

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7.1. MONITORING OUTPUT............................................................................................................................ 23
7.2. COMMAND AND QUERY INPUT.................................................................................................................. 23
8. ROUTINE MAINTENANCE..................................................................................................................... 25
8.1. MAINTENANCE CLEANING ........................................................................................................................ 25
8.1.1. Inspection check......................................................................................................................... 25
USER NOTES................................................................................................................................................... 26
APPENDIX A VLB-44X TVIR PROGRAMMING SYNTAX TABLE....................................................................... 27
APPENDIX B VLB-44X PERFORMANCE TABLES............................................................................................ 31
APPENDIX B.1 VLB-44X-2.5 WHITE.................................................................................................................... 32
APPENDIX B.1 VLB-44X-2.5 RED ....................................................................................................................... 34
APPENDIX B.1 VLB-44X-2.5 GREEN.................................................................................................................... 36
APPENDIX B.1 VLB-44X-2.5 YELLOW .................................................................................................................. 38
APPENDIX B.2 VLB-44X-5 WHITE ...................................................................................................................... 40
APPENDIX B.2 VLB-44X-5 RED .......................................................................................................................... 42
APPENDIX B.2 VLB-44X-5 GREEN ...................................................................................................................... 44
APPENDIX B.2 VLB-44X-5 YELLOW..................................................................................................................... 46
APPENDIX B.3 VLB-44X-10 WHITE .................................................................................................................... 48
APPENDIX B.3 VLB-44X-10 RED ........................................................................................................................ 50
APPENDIX B.3 VLB-44X-10GREEN ..................................................................................................................... 52
APPENDIX B.3 VLB-44X-10 YELLOW ................................................................................................................... 53
APPENDIX B.5 SAMPLE VERTICAL DIVERGENCE PROFILES ........................................................................................... 54
APPENDIX C DAY AND NIGHT INTENSITY AND RANGE TABLES ................................................................... 55
APPENDIX D BEACON DIMENSIONS............................................................................................................ 56
APPENDIX E PRODUCT CODES.................................................................................................................... 57
APPENDIX F SPECIFICATIONS OF VLB-44X BEACON.................................................................................... 58
APPENDIX G WORKSHEET FOR A CUSTOM CHARACTER.............................................................................. 60
APPENDIX H FLASH CHARACTER TABLE WITH PROGRAMMING CODES....................................................... 61
APPENDIX I TVIR REMOTE02 SPECIFICATIONS & BATTERY REPLACEMENT ................................................ 67
APPENDIX J SERIAL INTERFACE COMMANDS.................................................................................................. 69

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1. Introduction to the VLB-44X Marine LED Beacon
1.1. Overview
The Vega VLB-44X LED beacon is an energy-efficient marine beacon that is available in a wide range of
configurations. The number of tiers can range from 1 to 3, with each tier having a vertical divergence of 2.5, 5.0 or
10 degrees.
To accommodate different mounting arrangements the beacon can be pole-mounted or mounted on a horizontal
surface.
Three LED colours available are red, green, white, yellow. The peak light intensity and power requirement is
different for each colour and this needs to be taken into account when calculating for the power requirements for a
particular beacon.
The beacons are designed to operate using a 12 VDC power supply and have a maximum voltage capability of 18
VDC. Reversepolarity protection is provided. Thebeacon issupplied with a 1.75m length of neoprene3-core cable
for the power and hard wire synchronizing connections. The size of wire is 1.5mm2.
Thebeacon can optionally be supplied with a1.75mlengthof12-corecable containing additional I/Osignals. These
include the day/night, flash/fixed and on/off inputs that allow this beacon to be manually controlled when in “traffic
light” mode. Also included are an alarm output RS232/485 Rx and Tx and an additional sync connection.
The VLB-44Xhas been designed with many features to allow the user to set up the required operationfor a specific
site. These features are programmable using the Vega infra-red programmer. This programmer is provided with
the beacon and is also available separately. The beacon will be delivered with factory default settings. Details on
how to reprogram the VLB-44X are provided in the Vega IR Programmer instruction manual.
While the VLB-44X beacon is capable of various ranges and can handle a multitude of flash characters, the power
requirement must be ableto be supported by the power supply connected tothe beacon, especially whereit is solar
/ battery powered. Increasing the range or the duty cycle of the beacon will require a larger solar panel and battery
capacity. Information is provided in this manual on how to calculate the beacon power consumption. Vega or the
local Vega Distributor can assist with the calculation if required.
The VLB-44X beacons are fitted with hard wire synchronization, which can be used to synchronize the flash
character with other Vega beacons that are within wiring distance. GPS synchronization can be provided to allow
synchronization with more remote beacons by fitting the optional VSU-29 GPS Synch Unit.
When using the optional VSU-29 GPS unit, ensure the power requirements of this device is included in any overall
power calculation for the beacon.
To begin using the VLB-44X beacon the power will need to be connected, and the unit programmed for the flash
character, effective intensity, and any other features required.
The VLB-44X beacon has a 10-year design life.
1.2. The initial power-up
Upon first powering-up the beacon will start in night mode. If the beacon is in the default sync-master mode then it
will be operating with the programmed flash character.
After 10 seconds thebeacon will begin to monitor the ambientlightlevel. If dayisdetected and thebeacon
is set for night-only operation then the beacon will be turned off.
After 14 seconds the beacon will begin to monitor for the low battery threshold (factory setting 11 Volts).
If the input voltage is below the threshold then the beacon will be turned off. The beacon will not return to
normal operation again until the battery charges to above the high voltage reset voltage (factory setting
13.0 volts) and daylight is detected.
Note: If the beacon does not flash when power is connected.
The power connection might be reversed. Check that the power connection is correct. The beacon is
protected from damage for reverse-polarity connection.
The beacon may be programmed for Storage Mode. Refer to the Vega IR Programming Manual on how
to return the beacon to Operating Mode.
Thebeaconmight be set to sync-slavemode. Either provide anexternal hard-wire sync source or program
the beacon to sync-master mode to enable it to operate.

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Thebeacon might be set to Traffic Lightmode. Either apply the appropriatevoltage to theOninput or send
the TVIR programming command to set the beacon into Normal mode, instead.
1.3. Infra-red programming
The infrared receiver for programming the beacon is located on the base of the beacon. For best results when
programming direct the IR remote at this part of the beacon. Refer to the separate instruction manual for operating
the Vega IR Programmer.
1.4. Automatic Schmidt Clausen/Modified Allard Correction
The VLB-44X beacon is programmed for the required effective intensity. This is the intensity needed to see a light
that is continuously “on” at a certain distance. For example, 77 Candela is required to see a fixed on light at 5NM
at a transmissivity of 0.74T. When a light is flashed the intensity must be increased to maintain the visibility of the
light at the required distance. The VLB-44X automatically maintains the effective range of the light by increasing
the intensity to compensate for shorter flash periods. This is done according to the Schmidt Clausen multiplier.
The desired Schmidt-Clausen multiplier is selectable according to which IALA Recommendation is preferred, E-
200-4 2017 or 2008 (refer to the programming table in Appendix A).
1.5. VLB-44X Intensity Performance
The effective candela settings and the maximum candela capability for the different versions of the VLB-44X are
provided in Appendix B. The beacon can only achieve the maximum peak candela value in the tables when
flashing at a 30% duty cycle or less.
A beacon cannot output an intensity above its maximum peak candela capability. When programming a flash
character the user should check that the peak candela needed for the required effective candela is below the
maximum peak intensity of the beacon. If higher peak intensity is required than what the VLB-44X can produce
then the beacon will not have the required range. Should this be the case the choice to achieve the desired range
would be to:
Increase the flash “on” period (select a different flash character) or
Use a VLB-44X beacon with additional tiers.
1.6. Beacon On Override
The VLB-44X may be forced on by activating the On/Off input. This input is not capable of turning the beacon off.
For example, if the beacon were configured in night only mode, setting the on/off input high during the day would
cause the beacon to come on for as long as that input is held high. If the on/off input is low or open circuit (i.e.
inactive) then the beacon will operate normally, sensing day/night and switching automatically in the normal way.
On/Off input - if this input is high (≥7V) the beacon will turn on; if this input is open-circuit or low (<6V) then
the beacon operates automatically according to its settings, sync input and day/night detection.
Flash/Fixed & Day/Night inputs are inert.
Refer also to the table in the next section.
1.7. Traffic Light Mode
The VLB-44X may be configured to run in “traffic light” mode using the TVIR programmer. Traffic light mode refers
to a method of remotely-controlling the VLB-44X. Thismodeis available regardless of the optical variant of the VLB-
44X.
When in traffic light mode the beacon is completely controlled by the three traffic light inputs as shown below:
On/Off input - if this input is low or open circuit the beacon will turn off; if this input is high the beacon will
turn on.
Day/Night input - if this input is low or open circuit the beacon will usethe programmed nighttime intensity;
if this input is high the beacon will use the programmed day time intensity.
Flash/Fixed input - if this input is low or open circuit the beacon will operate with a fixed flash character; if
this input is high the beacon will operate with the programmed flash character.

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This allows the VLB-44X to be controlled by an external controller soit may be used, for example, to direct shipping
traffic.
Note –when operating in traffic lightmode, the normal mode day/night switching based on the measured light level
is inhibited.
This behaviour is summarized in the following table:
Input State
Beacon Operating Mode
On/Off
Day/Night
Flash/Fixed
Traffic Light
Normal
Low or open
X
X
Off
X
High
Low or open
Low or open
Night intensity
Fixed character
Override On*
High
Low or open
High
Night intensity
Flash character
Override On*
High
High
Low or open
Day intensity
Fixed character
Override On*
High
High
High
Day intensity
Flash character
Override On*
X = no effect.
* When override is on, the intensity and flash character will depend on the programmed settings and ambient light
level.

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2. Getting Started
From knowing the flash character, colour, and range required (effective candela)
i. Determine the number of tiers required and the power requirement (Appendix D)
ii. Connect power to the VLB-44X and any I/O signals that are required.
iii. Program the beacon for the required flash character, effective candela, and other features (Section 3 and
Appendices A & B.)
iv. Install the VLB-44X beacon (Section 4 and 5)
v. Set synchronization options (Section 6)
vi. Check that the beacon is working (Section 7)
vii. Routine maintenance and inspection (Section 7)

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3. TVIR Remote02 Programming Procedures & Options
For detailed programming instructions refer to Appendix A. The programming codes for the effective intensity
settings of the VLB-44X beacon are provided in the performance tables of Appendix B of this manual.
During programming the VLB-44X beacon will flash each time a button is operated on the IR programmer. On
completion of a program option the beacon will provide visual feedback by repeating the code of the programmed
function by a series of flashes.
3.1. Programming overview
3.1.1. Introduction
The TVIR Programmer allows the user to program a wide range of Vega LED Aids to Navigation products.
The VLB-44X beacon is shipped from Vega with default settings. The Vega Remote02 TVIR
Programmer allows the user to set up the product for a particular application and to
interrogate the product to find out what settings are already programmed. Most of the
features of the VLB-44X beacon are the same as found in other Vega LED products.
To use the programmer you will need to consult Appendices A & B obtain the codes for setting the intensity of the
beacon and other features.
3.1.2. Programming Syntax
All programming of the VLB-44X uses a syntax of:
OPERATION_FEATURE_VALUE
There are five OPERATION items
Programming settings Operation 1
Creating a Custom Character Operation 2
System Checks Operation 3
Special settings Operation 7
Read settings Operation 9
The FEATURE items represent the features of the beacon such as flash character and intensity. A feature
parameter must always be entered after an operation parameter.
The VALUES are the actual settings or value of the various features. A value parameter is either entered or read
back, depending on the operation and feature combination selected.
IMPORTANT
Before attempting to use the Programmer for the first time, please pull the insulating strip
of plastic out of the battery holder - you do not need to remove the battery holder to do this.
The Programmer will not work if the plastic strip is left in place.
Numeric key pad, used to
configure the programmable
features of the beacon.
Red standby key, used to
enter programming
mode.

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The valid combinations of operation, feature and value are listed in Appendix A.
The valid beacon intensity settings can be found in Appendix B for the relevant beacon model.
Please take the time to familiarise yourself with the tables in Appendices A & B before continuing.
3.1.3. Visual feedback
The VLB-44X will provide visual feedback of the programming instructions it receives from the TVIR programmer.
It is important to understand the feedback that is provided to ensure that the beacon will be programmed
correctly.
Programmer Keys
Beacon response
Enter Programming Mode
By pressing red standby key for 5 seconds
4 quick flashes (0.1sec on 0.1sec off)
Numeric key when programming
1 flash for each key pressed
When programming code recognised
The 3 or 4 digit value code is repeated using a
series of flashes of 0.1sec on and 0.1 sec off
with a gap of 0.5 sec between each number of
the code. A zero is represented by a 2 second
on flash.
Proper termination of custom character
programming: the feedback code will be 000
When programming code is not recognised
3 quick flashes (0.1sec on 0.1sec off)
The beacon will remain in programming mode
waiting for a new programming instruction.
Exiting Programming mode
No programming activity for 10 Seconds
The beacon will give two quick flashes followed
by a short pause followed by another two quick
flashes.
After this it will resume normal operation. The
beacon will flash its character for 16 seconds
while it checks the day/night settings. If it is day
time and the beacon is set to operate at night
only the beacon will turn off.
3.1.4. Troubleshooting TVIR Programming
If you find that the beacon will not enter the programming mode it will be caused by one of 4 reasons (ensure first
that the Remote02 TVIR programmer is pointed directly at the light sensor window on the base of the VLB-44X):
If there is no response to the Remote02 then the battery in the IR Programmer could be missing, or the
plastic battery insulator might not have been removed, or the battery might have a low voltage.
If there is no response to the Remote02 and the beacon is not operating then there might be no 12VDC
supply connected to the beacon.
If there is no response to the Remote02 then the beacon might have been set to storage mode, in which
case it will initially be very slow to respond to the Remote02 request to enter programming mode.
If the beacon responds and enters programming mode but rejects (triple-flash) any programming
operations then the beacon needs a security PIN to allow programming.
3.1.5. Remote02 TVIR Programming Tutorial
If you have not used the Vega TVIR Programmer before, we suggest that you spend some time learning how the
beacon will respond to the various programming actions. Make sure that the beacon is connected to a 12VDC
supply and experiment with the following.
3.1.5.1 Enter and Exit Program mode
1. Enter program mode

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Press the red standby button for 5 seconds
The beacon will give 4 quick flashes to indicate it
has entered programming mode
2. Exit program mode
Leave the programmer idle for 10 seconds
The beacon will give two quick flashes followed by a
short pause followed by another two quick flashes.
After this it will resume normal operation. The
beacon will flash its character for 16 seconds while
it checks the day/night settings. If it is day time and
the beacon is set to operate at night only the
beacon will turn off.
3.1.5.2 Program a Flash Character with a flash character of Q 1s 0.4. (0.4 “on” 0.6 “off”)
To program this Flash Character find the three digit code from Appendix ?, “Flash character table with program
codes”. (Flash Q 1s 0.4 = code 602). Determine the programming syntax from Appendix A for the setting:
Operation = Programming = 1
Feature = Flash Character = 0
Value = Code = 602
The programming sequence to enter this flash character is 1-0-602
(The ‘-‘ character in the above sequence is inserted only to provide clarity for the reader and has no meaning in
the programming input sequence.)
0. Enter programming mode
Press the red standby button for 5 seconds
The beacon will give 4 quick flashes to indicate it
has entered programming mode
2. Enter the programming sequence for the flash
character (10602)
The beacon will flash once each time a key on the
programmer is operated.
When the sequence is completed and accepted the
beacon will repeat the value 602 in a series of
flashes. Six quick flashes followed by a 0.5sec gap
followed by a 2 second flash (for a zero) followed
by a 0.5 second gap followed by two quick flashes
1. Exit programming mode
Leave the programmer idle for 10 seconds
The beacon will give two quick flashes followed by
a short pause followed by another two quick
flashes.
After this it will resume normal operation. The
beacon will flash its character for 16 seconds while
it checks the day/night settings. If it is day time
and the beacon is set to operate at night only the
beacon will turn off.
3.1.5.3 Create a programming error by attempting to enter an invalid Operation Mode code 003
Determine the programming Syntax from Appendix A for the setting:
Operation = Programming = 1
Feature = Operation Mode = 5
Value = Code = 002
Note: The programming sequence to enter this Operation Mode is 1-5-002.
1. Enter programming mode
Press the red standby button for 5 seconds
The beacon will give 4 quick flashes to indicate it
has entered programming mode
2. Enter the programming sequence for the
Operation Mode (15002)
The beacon will flash once each time a key on the
programmer is operated.

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When the sequence is completed the value will be
rejected and an error indicated by 3 quick flashes.
The beacon will then return to programming mode
and is ready for a new instruction.
3. Exit programming mode
Leave the programmer idle for 10 seconds
The beacon will give two quick flashes followed by
a short pause followed by another two quick
flashes.
After this it will resume normal operation. The
beacon will flash its character for 16 seconds while
it checks the day/night settings. If it is day time
and the beacon is set to operate at night only the
beacon will turn off.
3.1.5.4 Read System Information
To read the current level of the battery or 12VDC supply, determine the Syntax from Appendix A:
Operation = System Checks = 3
Feature = Battery Voltage = 1
The programming sequence to get the information is 3-1
1. Enter programming mode
Press the red standby button for 5
seconds
The beacon will give 4 quick flashes to indicate it
has entered programming mode
2. Enter the programming sequence for the
information (31)
The beacon will flash once each time a key on the
programmer is operated.
When the sequence is completed and accepted the
beacon will provide the voltage level in a series of
flashes. One quick flash followed by a 0.5sec gap
followed by 3 quick flashes followed by a 0.5
second gap followed by two quick flashes.
3. Exit programming mode
Leave the programmer idle for 10 seconds
The beacon will give two quick flashes followed by
a short pause followed by another two quick
flashes.
After this it will resume normal operation. The
beacon will flash its character for 16 to 20 seconds
while it checks the day/night settings. If it is day
time and the beacon is set to operate at night only
the beacon will turn off.
3.1.5.5 Programming or Reading Multiple Settings
Each feature can be programmed one at a time as done in the examples above, however it can be extremely time
consuming to enter multiple settings in this manner. Alternatively, and more conveniently, various settings can be
programmed sequentially in the same programming session. Once the beacon has accepted a program sequence
and has flashed back the value code, the next program sequence can be entered. If you delay more than 10
seconds after the confirmation flashes before entering the next program sequence the beacon will exit the program
mode. One way to hold the beacon in programming mode is to press the Standby (red) button on the Remote02
periodically.
3.2. Programming Features
3.2.1. Flash character
(Factory set default 1-0-100 <ISO 2s (1.0s on 1.0s off)>)

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Vega beacons are pre-programmed with 246 standard characters represented by a 3 digit code XYY. The first
digit of the code represents a flash type such as 1YY for isophase characters. If a customer uses a set of flash
characters which are not included in the standard set these can be included if advised at time of ordering the
beacons. These would then be available for programming under type 9YY (Special characters).
Operation = Program (or read) = 1 (or 9)
Feature = Flash character = 0
Value = Select from Appendix D =XYY
3.2.2. Custom Flash Character
Vega beacons allow the user to create one custom character. When programmed the flash character code for the
custom character is 999. To program the non-standard character the details of the on and off periods of the flash
character have to be entered into the beacon.
The method of programming a custom character has its own syntax and this needs to be followed correctly to be
able to program the character successfully.
Operation = Custom Character = 2
Value = The custom codes for the character
These custom codes are entered in a series of 3 digit values representing an on period or off
period. Each 3 digit value is a multiple of 0.05 seconds. The three digit code for a 1 second on
or off period would be 020(20 multiplied by 0.05 seconds is 1 second). Each codemust
comprise exactly three digits so leading zeroes must be included.
The following restrictions apply:
The minimum on or off period that can be programmedis 0.1 second or the code of 002.
The maximum on or off period that can be programmed in one code is 12.75 seconds or the code of 255.
For longer periods than 12.75 seconds an ADD code can be entered
There are two special codes used as part of the custom character programming
The ADD code to get on or off periods greater than 12.75 seconds = 001
The termination code to let the beacon know that the programming sequence is finished = 000
For assistance Appendix G provides a work sheet, and an example, for programming a Custom Character. It is
best to prepare the character code sequence and write it down ready for programming. If an error occurs when
entering a custom character the beacon will flash the error code of 3 quick flashes. If there is an error detected
then the custom character programmingmust be restarted from the beginning (it can be restarted within the same
programming session).
Please note: Programming a custom character creates a flash character with code 999. To get the beacon to
use the custom character the value of 999 must be entered as the flash character for the beacon: 1-0-999.
3.2.3. Day / Night control
(Factory set default 1-4-005 <night only, 75Lux sunset, 175Lux sunrise>)
The user has the ability to program when the beacon will recognize sunset and sunrise from a choice of nine
available settings. The daylight sensor is located on the baseof the beacon. The beacon can be set for night-only
operation or for both day and night (24 hour) operation. The default setting when the beacon is shipped from the
factory is to operate at night only.
To program the selected lux setting:
Operation = Program (or read) = 1 (or 9)
Feature = Day/Night Control = 4
Value = Select from Appendix A = XYY
How the beacon operates is controlled by the first digit of the Day/Night Control value.
0YY enables night-only operation
1YY enables day and night operation
When the beacon changes from day to night operation is determined by the last two digits of the Day/Night
Control Value. The lux level of each of the 9 settings is detailed in Appendix A. The default setting is YY=05
which is the IALA suggested setting. The accuracy of the light sensor is ±10%.

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The Day/Night transition can be synchronised between multiple beacons when the sync wires of the beacons are
connected. This synchronization scheme overcomes the difference in the accuracy of the light sensor in each
beacon or their slightly different location. The synchronization works as follows for beacons that are sync masters:
The first beacon to see night sets all beacons to night mode.
The last beacon to see day sets all beacons to day mode.
If the beacons are set to night-only mode then day mode is equivalent to off. If the beacons are set to day/night
mode then day mode is equivalent to on at the day intensity. Night mode is always equivalent to on at the night
intensity.
If some beacons are set to sync slave mode then these beacons do not participate in the collective day/night
detection. Sync slaves only obey the external sync signal. For example, if a sync slave is set to night only then it
will only illuminate when it receives a night sync signal. The absence of a night sync signal means that the sync-
slaved beacon will turn off after a user-preset number of flash periods. A sync-slave beacon that is set to
day/night mode will switch between day and night only according to the sync information that it receives via its
hard-wire sync connection.
3.2.4. Effective intensity
(Factory default is Maximum for both day and night, 1-1-999999, 1-1-999999)
The VLB-44X is able to have a different intensity setting for each of day and night operation. If the beacon has
been programmed for night operation only the beacon will be off during the day, irrespective of the day intensity
setting. All intensity settings are available (in 1 Cd steps) between the minimum and maximum intensity settings
shown in the relevant performance table in Appendix B.
It should be noted that it is the effective intensity of the beacon that is programmed. The peak intensity is
controlled automatically according to the flash character (Schmidt-Clausen correction) in order to maintain the
effective intensity for a flashing beacon.
Six digits are required to set the intensity, including leading zeroes. This is because the VLB-44X has an
extremely wide intensity range across all models. The six-digit code will often be displayed with a middle space –
this is for clarity only and has no meaning during the programming procedure.
Some intensity VALUES that will have special effect
000 001Will set the minimum legal intensity value (this value is never 1 Cd).
999 999Will set the maximum programmable intensity.
Operation = Program (or read) = 1 (or 9)
Feature = Intensity = 1 for night intensity, 2 for day intensity
Value = From Appendix B = XXX XXX
The Schmidt-Clausen flash compensation formula can be adjusted by the user according to the desired IALA
Recommendation. IALA E-200-4 2017 defines the Modified Allard parameter a (which for rectangular flash
characters is analogous to the Schmidt-Clausen parameter c) to be 0.1s for all signal colours except blue at night.
The VLB-44X adopts this setting for effective intensity by default. This setting can be changed to the previous
value under E-200-4 2008 of c = 0.2s, if desired, as follows:
Operation = Special = 7
Feature = Set PIN = 2 (for Set, or 3 for Read)
Value = XXX
Where:
000 (default): Sets the E-200-4 2017flash compensation value;
002: Sets the E-200-4 2008 flash compensation value.
The flash compensation value is used by the VLB-44X both during day and night operation. The blue models’
flash compensation value is always 0.2, regardless of the user’s setting.
3.2.5. Beacon synchronization
(Factory settings:
1-3-000 <sync-master with zero time delay>;

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1-7-001 <Normal sync operation with 1 continued flash cycle after loss of sync if a slave>)
Hard wire synchronization is standard for the VLB-44X beacon.
Programming options allowthe beacon to beset as async-master oras a sync-slave. Thestart ofthe flash character
can be delayed from 0 to 9.9 seconds.
Further, detailed information on how the synchronization operates are detailed in Sections 3.2.3 and 6.
Some VALUES for the Synchronisation command (1-3-) that will have special effect:
999 Disable synchronization –the hardwire sync will be inoperative for both send and receive. The
beacon must be in sync-master mode when this feature is enabled, otherwise it will never turn on.
Operation = Program (or read) = 1 (or 9)
Feature = Synchronisation = 3
Value = XYY
The first digit of the Value determines if the beacon is a master or slave unit. Master is the usual setting and is
essential for a beacon that is not connected to any source of sync. If a GPS source is used, such as a VSU-29
then the beacon must also be set as a sync master since the GPS source cannot make day/night decisions and
the beacon must be enabled to do so.
0YY Master
1YY Slave
The second two digits of the value YY allows for the start of the flash character to be delayed from 0.0 seconds to
9.9 seconds in 0.1 second increments. For example, YY=25 would provide a delay of 2.5 seconds. This feature
allows behaviours such as a string of beacons to create a runway flash sequence, or to allow two beacons to
generate alternating flashes.
To program a slave beacon to keep running for a number of flash cycles after the loss of a master sync pulse:
Operation = Program (or read) = 1 (or 9)
Feature = Slave mode flash count = 7
Value = 0YY where YY is the number of flashes (min 001, max 099)
The VLB-44X beacon has additional sync functions to allow the beacon to be used for specific applications such
as a standby beacon. These features are also accessible in the Slave mode flash count feature.
• Force off on sync low: The ability to turn the VLB-44X off when the sync wire is grounded. All other
sync features operate when the sync wire is not grounded (Value 998)
• Force fixed character on sync low: The ability to set the VLB-44X into FIXED character. All other
sync features are disabled (including generating sync pulses).
• Cancel special sync feature: Value 999 in feature 7 resets the above special sync modes and returns
the beacon back to normal sync operation (master or slave depending on the Synchronisation feature’s
setting).
3.2.6. Operation mode
(Factory setting 1-5-001 <normal operation>)
The VLB-44X beacon can be set to one of three operating modes.
“Test Alarm” (007), this temporary mode sets the alarm output to active until the beacon exits the TVIR
programming mode. This Test Alarm mode is temporary and does not change the last selected operating
mode.
“Storage Mode” (009), this forces the beacon into a very low power drain state and will remain out of
operation until the beacon has been reprogrammed for normal operation.
“Normal Operation Mode” (001). The beacon has to be programmed to this mode to recover from the
storage mode. This mode puts the beacon into automatic operation according to its programmed settings
and the ambient light level.
“Traffic Light Mode” (003). In this mode the beacon is remotely controllable. Its operation depends on the
states of the three external inputs, internal settings and sync wire.
An example of setting or reading the operation mode of a beacon:
Operation = Program (or read) = 1 (or 9)
Feature = Operation Mode = 5

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Value = 001 is normal operation mode
Note - it is not possible to switch directly from Traffic Light mode to Storage mode. It is first necessary to switch to
Normalmodefrom Traffic Lightmodeand then thebeaconmay beswitched to Storagemode. Itis however possible
to switch from storage mode into any other mode –including traffic light mode.
3.2.7. Programming mode
(Factory setting 1-6-006 <Enable RS232, no monitoring>)
This mode controls the state of the RS232 port:
Disable RS232 (000);
Enable RS232 with monitoring on-demand (004): Input commands are received and processed; a
monitoring data packet is output if a ‘/’ character is received at the input.
Enable RS232 with monitoring free-running (005): Input commands are received and processed;
monitoring data is output continuously.
Enable RS232, no monitoring (006): Input commands are received and processed. This is the default.
To set or read the programming mode:
Operation = Program (or read) = 1 (or 9)
Feature = Operation Mode = 6
Value = XXX
3.2.8. Battery Thresholds
(Factory default low threshold default 1-8-110 <11.0 Volts>;
Factory default high threshold default 1-9-128<12.8 Volts)
The VLB-44X beacon monitors the power supply for low voltage and will switch off when the programmed low
threshold is reached. This feature can be disabled if not required by setting value 000. Normal operation will
resume once a daylight transition is detected and the voltage reading exceeds the high threshold setting. When
normal operation is restored after a low voltage condition, the beacon switches on for ten seconds before making
a determination of day or night.
Operation = Program (or read) = 1 (or 9)
Feature = Operation Mode = 8 (or 9)
Value = YYY in tenths of Volts
The value range for the Low Threshold is 000 to 119 (i.e. 00.0 to 11.9V). 999 disables the Low voltage check.
The value range for the High Threshold is 121 to 998 (12.1V to 99.8V). 999 sets the default setting of 12.8V.
Note: Take care in setting the high threshold to ensure that the charge voltage of an ageing battery will reach this
threshold during charging. If the threshold set too high, the beacon might not resume operation after a low
voltage threshold shutdown.
Note: The high voltage threshold shutdown can be manually bypassed by either disconnecting and reconnecting
the battery or by putting the beacon into programming mode while the battery voltage is greater than the low
voltage threshold value.
3.2.9. System Checks
Vega LED beacons contain details of their manufacture including calibration/characterisation details, firmware
version, and LED type used. This information is useful should there either be a problem with the beacon or where
it is necessary to locate the correct manual for the product.
To perform a system check:
Operation = Read Only = 3
Feature = X
Use the System Check options to access:
Software version (0);
Battery voltage (1);

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Beacon internal temperature (2);
Factory current adjustment (3);
Serial number (4);
LED type (5);
Calibration/Characterisation (6);
Aux Driver to Primary Driver Current Ratio (9).
3.2.10.PIN Code Option
(Factory setting 000 <no PIN code>)
If the user is concerned about unauthorized programming of the beacon then a 3-digit PIN code can be set. Once
a PIN is set, programmed settings can be read back but cannot be set unless a PIN is first entered. Make sure that
the PIN code is recorded, as programming access will not be possible without the PIN once this option has been
set.
For setting a Security PIN
Enter programming mode by operating the standby button for 5 seconds.
Operation = Special = 7
Feature = Set PIN = 1
Value = PIN Code = XXX (Value 000 will disable the need for a PIN.
The beacon will then flash back the three numbers in a series of flashes.
If a PIN is already set and it is desirable to change it then the old PIN must first be entered, as below, before the
new one is programmed, as above.
To change settings when a Security PIN is used.
Enter programming mode by operating the standby button for 5 seconds.
Operation = Special = 7
Feature = Enter PIN = 7
Value = PIN Code = XXX (the currently valid PIN code stored in the beacon)
If the PIN is correct then the beacon will flash back the number using a series of flashes. If the PIN is incorrect
then the beacon will flash back the triple-flash error code.
If a correct PIN is entered and accepted in programmingmode then the user will have full access to change any
beacon settings while the current programming session is active.
If the PIN number is lost then please contact Vega for assistance.

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4. Installing the VLB-44X Beacon
4.1. The Mounting Structure
Any movement of the mounting structure will affect howtheintended user will see the beacon. The amount of sway
that can occur needs to be limited to ensure that the beacon will remain visible. This includes the sway on a fixed
structure and the degree of roll on a buoy. The vertical divergence of the beacon is the point where the intensity is
at 50% of the peak intensity. For example, the VLB-44X-10D has 50% of the peak intensity 5° above and below
the focal plane of the beacon. At twice the vertical divergence (±10°) the intensity will be approximately 10% of the
peak intensity. Narrowing the vertical divergence of the beacon increases the intensity of the light produced and
increases the range for a fixed power consumption.
The VLB-44X-2.5D (±1.25°) has been designed for rigid, fixed structures
The VLB-44X-5D (±2.5°) has been designed primarily for use on fixed structures, and can also be used on a
stable floating buoy where the vertical divergence limits are acceptable for the expected heeling angles.
The VLB-44X-10D (±5°) has been designed primarily for use on a floating buoy.
4.2. Mounting
The VLB-44X beacon should be carefully levelled to ensure that the focal plane of the beacon is horizontal. The
focal plane of the beacon is parallel with the base. This levelling can be done by placing a builder’s level across the
mounting surface of the structure, then moving the level 90 degrees to check the surface is level in at least two
directions. If the mounting surface is not level take appropriate measures to ensure it is level before permanently
fixing the beacon.
An alternative option is to use a levelling mechanism, such as adjustable rods to level the base of the beacon.
When the beacon is mounted on a floating structure (buoy), the beacon should be level when the buoy is floating
freely in calm air and water.
4.2.1. Base Mounting
The VLB-44X supports both 3- and 4-hole base mounting.
The holes on the base are Ø14mm in diameter and located on a 200mm PCD. The beacon can be secured using
M12 (or 1/2” UNC) 316-grade stainless steel bolts or threaded rod.
Plastic isolation bushes have been fitted in the mounting holes to prevent bi-metallic corrosion occurring. Please
ensure that these bushes remain in place and that the mounting bolts are not over-tightened as this may cause
the base to make contact with the mounting surface and defeat the purpose for having the bushes fitted.
The beacon can be levelled using adjustable rods. Fit the mounting rods firmly in place on the mounting surface;
place one nut and washer on each stud. Slip the beacon (with corrosion isolation bushes in place) over the studs,
and adjust the nuts by hand until the beacon is level. Then add the top washers and locking nuts and tighten.
A
M12 Stainless Steel Stud
B
Locking Nut
C
Stainless Flat Washer (2)
D
Plastic Bush (2)
E
Beacon Base
F
Plain Nut
G
Mounting Base plate
A
B
C
D
E
D
C
F
G

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4.2.2. Central Pole Mounting
The Ø88mm hole through the centre of the VLB-44X beacon provides an alternative mounting option.
A
Secure Head Fastener
B
Top view of fastener
C
Aluminium tube
D
Base Mounting Plate with
Taper-Lock collar.

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4.3. Bird Spikes
The beacon is supplied with four plastic bird spikes. To install the bird spikes simply screw them by hand into the
threaded holes in the beacons lid.
4.4. Mounting the VSU-29 Pulse Sync unit
The internal diameter of the centre hole allows for the fitting of
the VSU-29 GPS Sync Unit and mounting ring.
Alternatively, the VSU-29 can be separately mounted.
Refer to the VSU-29 GPS Sync Unit manual for mounting instructions
Screw bird spikes in firmly

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5. Power Supply & I/O Connections
5.1. Power Supply Requirements
Supply voltage is nominally 12 VDC, with an operating range of 9.0 –18.0 VDC. Normal operating voltage should
not exceed 18.0V. Reverse polarity and internal transient voltage protection are provided.
A low and high voltage threshold is programmable and the beacon will switch off if the low threshold is reached.
This feature is provided to prevent the total discharge of a battery if it is being used as the power source. The
default low voltage threshold is 11 Volts. Refer to section 3.4 for details.
Where possible do not earth any of the supply wiring such as the battery negative. This precaution may avoid
setting up additional electrical current paths that could cause metallic corrosion.
5.2. Power Supply Connection
The VLB-44X is supplied with a 2 metre length of neoprene 3-core 2.5mm2cable already sealed into the cable
gland. If there is a need to shorten the power cable, ensure that the cable is resealed using heat shrink and marine
sealant at the cut to prevent any moisture being able to enter the beacon.
5.3. Beacon Input / Output
The VLB-44X Extended I/O model is supplied with a 2m length of 12-core cable sealed into a cable gland on the
beacon housing. This cable contains these I/O signals:
See Appendix G Beacon Specifications for I/O hardware specs.
The Day/Night input is only active in traffic light mode. If this input is low or open circuit the beacon will use the
programmed night time intensity; if this input is high the beacon will use the programmed day time intensity.
The Flash/Fixed input is also only active in traffic light mode. If this input is low or open circuit the beacon will
operate with a fixed character; if this input is high the beacon will operate with the programmed flash character.
The On/Off input is active in traffic light and normal modes. In traffic light modeif this input is low or open circuit the
beacon will turn off; if this input is high the beacon will turn on. In normal mode setting if this input is high it will turn
the beacon on if it is not already on. If the beacon is already on, changingthis input will keep the beacon on. When
this input is low or open circuit in normal mode, the beacon operates normally, switching on and off based on the
light sensor readings.
Colour
Voltage
Polarity
Brown
+12 Volts
Battery positive
Blue
0 Volts
Battery negative
Green/yellow
Sync
If required
Colour
Signal
Description
Grey
Do not connect
Do not connect to this wire.
Black & Blue
Signal Ground
Use only as signal ground, not power ground. May be connected
to power ground at the power supply. Max current 100mA.
Pink
n/c
Green
Sync input/output
Hard wired sync line –see synchronization section below
White
Alarm output
Normal operation=open; Fail condition=closed to Signal Ground.
Cyan
Beacon On Out
Beacon On = Active Low output; Beacon off = high impedance
Yellow
RS232 Tx
RS232 Transmit output
Orange
Flash/Fixed input
Low / open circuit = fixed character. High = flash character. On
threshold >= 7VDC.
Purple
RS232 Rx
RS232 Receive input
Red
Day/Night input
Low / open circuit = night. High = day. On threshold >= 7VDC.
Brown
On/Off input
Low / open circuit = off. High = on. On threshold >= 7VDC.
Sector Alignment Bolts