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Kongsberg Maritime AS. The document, or any part of it, may not be translated to any other language without the written approval from Kongsberg Maritime AS.
Installation manual Table of contents ABOUT THIS MANUAL ............7 KONGSBERG EM 2040C ............. 8 System description ....................9 System diagram ...................... 11 System units ......................12 Sonar head ....................12 Processing unit ................... 12 Ethernet switch ................... 12 Operator Station ..................13 Network security ....................13...
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External synchronization interface .............. 69 AC mains with IEC lock................70 RJ45 Ethernet, screened (straight and crossover)........... 72 EM 2040C Transducer cable w/ low profile connector........73 EM 2040C Transducer cable w/ circular connector........75 DRAWING FILE ............... 77 Sonar head w/ low profile connector, outline dimensions........78 Sonar head w/ circular connector, outline dimensions ...........79...
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Installation manual Lifting ........................93 Storage prior to installation or use .................94 Inspection .......................95 Unpacking ......................95 General unpacking procedure ..............95 Unpacking electronic and electromechanical units ........96 Unpacking mechanical units ................ 96 Unpacking transducers ................96 Storage after unpacking..................97 Storage after use .....................97 Cleaning cabinets..................
The installation instructions given in this document must be adhered to. Failure to do so may render the guarantee void. Kongsberg Maritime AS will accept no responsibility for any damage or injury to the system, vessel or personnel caused by equipment that has been incorrectly installed or maintained, or by drawings, instructions or procedures that have not been prepared by us.
Kongsberg EM 2040C Kongsberg EM 2040C Study this chapter to familiarize yourself with the Kongsberg EM 2040C. Topics • System description on page 9 • System diagram on page 11 • System units on page 12 • Network security on page 13 •...
EM 3002. The system fulfils the IHO-S44 special order and the more stringent LINZ specification. The EM 2040C is available in an EM 2040CX version where the subsea part has a depth rating of 1500 m for operation on ROV or AUV Yaw stabilization is available in dual head configuration.
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For frequencies above 320 kHz the angular coverage per head is gradually decreasing to 70º at 400 kHz. As an option the EM 2040C can be delivered with the dual swath capability, allowing a sufficient sounding density along track at a high vessel speed.
Kongsberg EM 2040C System diagram Interfaces: - sound speed sensor - tide - center depth output EM 2040 Hydrographic Work Station Internal Ethernet Processing Unit Interfaces: - positioning systems - attitude (roll, pitch and heave) - velocity - heading - clock...
Ethernet switch A high capacity Ethernet switch is sometimes required. If you use more than one Processing Unit in your EM 2040C system, you must use an Ethernet switch to connect each Processing Unit to the Hydrographic Work Station. A high capacity Ethernet switch (1000BASE-T) is included in the EM 2040C delivery in this case.
Third-party software solutions may also be used for the operator interface and real-time processing. The Hydrographic Work Station communicates with the EM 2040C processing unit and the ship’s network using Ethernet. Network security Equipment manufactured by Kongsberg Maritime are frequently connected to the ship's local area network.
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This must always be a task for the customer to implement. If you wish to connect the EM 2040C to the ship's network, you must implement the same security mechanisms on the EM 2040C computer(s) as for the rest of the network. In the tentative standard from Det Norske Veritas (DNV) - Integrated Software Dependent System (DNV-OS-D203) –...
Kongsberg EM 2040C Support information If you need technical support on the EM 2040C system you must contact a Kongsberg Maritime office. A list of all our support offices is provided on http://www.km.kongsberg.com. You can also contact our main support office in Norway.
Kongsberg EM 2040C Preparations This chapter provides the information necessary to plan the installation of the Kongsberg EM 2040C according to Kongsberg Maritime’s requirements. Correct location of the sonar head(s) is vital for the operational performance. Several variables must be taken into consideration, the most important of which is the vessel’s construction.
Preparations Locating the sonar head A single answer to the question “where to install the sonar head(s)” cannot be given. The physical location of the sonar head depends on the vessel's design and construction, how the hull is shaped, and how the water runs along the hull. There are however a number of important guidelines, and some of these are even conflicting.
The noise is transmitted through the sea water, and may in extreme cases reduce the maximum range capability of the EM 2040C, despite its high operational frequency. For this reason, the sonar head should be placed far away from the propeller, which means on the fore part of the hull.
Preparations Avoid protruding objects Objects protruding from the hull, such as zinc anodes, sonar transducers or even the vessel's keel, generate turbulence and flow noise. Holes and pipe outlets are also important noise sources. They may act as resonant cavities amplifying the flow noise at certain frequencies.
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Kongsberg EM 2040C Typical location on a bulbous bow Thruster Location of the sonar head This applies to the vessel in normal trim and speed. Under no circumstances should the head(s) be tilted backwards when the vessel is moving at an appreciable speed.
Installing the sonar head Installing the sonar head This chapter describes the physical installation of the Kongsberg EM 2040C sonar head. The installation shipyard must design and manufacture installation hardware to fit each individual vessel. Whenever required, the installation shipyard must also have the installation approved by the applicable maritime authorities.
Note The current version of the Kongsberg EM 2040C is delivered with low profile connector similar to the EM 3002. The previous version was delivered with circular connector (DIL 13).
• over the side or bow on small vessels • on subsea vehicles (such as an ROV) The EM 2040C transmit sector coverage is maximum ± 65 degrees referred to the sonar head mounting angle. To increase the across coverage, a dual head installation can be used. The two heads may be positioned on each side of the keel.
Kongsberg EM 2040C Related topics • Sonar head w/ low profile connector, outline dimensions on page 78 • Sonar head w/ circular connector, outline dimensions on page 79 External mounting The sonar head can be installed outside the hull, provided that the maximum vessel speed is not too high.
(example) on page 26. A common blister may be used for the EM 2040C sonar head and transducers for other acoustic equipment if due care is taken with respect to acoustic interference between the different instruments.
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Kongsberg EM 2040C Figure 2 Sonar head blister for moderate speeds (example) The best performance is obtained with a blister height of 40 cm or more. A streamlined shape and rounded edges will reduce flow noise. A vertical leading edge or front will guide aerated water to the sides of the blister.
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Installing the sonar head On a conventional hull shape, without a bulb, the front of the blister should have a few degrees toe-in towards the bow (see figure Blister toe-in towards the keel on page 28). The blister is placed to one side of the hull, and the distance from the keel is a trade off between a close distance giving a turbulent flow of water in a narrow passage, and a large distance bringing the sonar head higher up and blocking the view of the bottom.
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Kongsberg EM 2040C Figure 4 Blister arrangement - example for dual head Figure 5 Blister toe-in towards the keel 378789/C...
Installing the sonar head Figure 6 Location of blister relative to the keel The interior of the blister should be filled with sea water by provision of a drainage hole in the bottom and an air outlet on the top. It is an important security precaution to have water pressure behind the head to counterbalance the outside pressure during vessel pitch in a rough sea.
Retractable hull units are commonly used for horizontal looking sonars, but may also be utilized for the EM 2040C sonar head. The retractable hull unit is more expensive than a blister, but on vessels without a keel and with a wide, flat bottom, a retractable hull unit may be the only acceptable method for bringing the sonar head below the boundary layer.
• Sonar head w/ circular connector, outline dimensions on page 79 Non permanent mounting The small size and weight of the EM 2040C system units makes the system truly portable. For temporary installations on a vessel the sonar head might be deployed through an existing gate valve on the vessel or on a pole fixed to the bow or on small vessels to the side.
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Kongsberg EM 2040C The main consideration in such an installation is that the mounting structure is sufficiently rigid, i.e. dynamic displacements of the sonar head must be less than 2 cm and 0.05°, that the line of sight from the sonar head to the bottom is not blocked, and that aerated water is kept away from the sonar head face.
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Installing the sonar head Figure 10 Bow mounting, dual system - example Note When installing the system as shown on the previous illustrations, all nuts, bolts and washers must be manufactured of stainless steel (AISI 316). All bolts with lengths less than 30 mm must be fully threaded.
EM 2040C Processing Unit. Tube dimensions should be minimum 35 mm inner diameter and minimum 6 mm wall thickness (4.5 mm if galvanized). If the standard cable length of 15 m is too short, you must order a longer cable with the system.
Alignment Alignment This chapter describes the requirements for alignment of the Kongsberg EM 2040C sonar heads and associated sensors. Topics • Introduction on page 36 • Accuracy requirements on page 36 • Vessel coordinate system on page 37 • The sensors on page 38 •...
Sufficient time and satisfactory work conditions must be given to the land survey work. The Kongsberg Maritime installation engineer is not equipped or trained to determine the alignment, and has no means of verifying the alignment results until calibration at sea has been carried out.
Caution The vessel coordinate system defined by the land survey contractor will not necessarily be the same as used by the Kongsberg Maritime systems. Take care to identify the differences between the results provided by the land survey contractor and the Kongsberg Maritime definition, and how to convert between them.
: A description of what points or lines the z-axis is defined by, and a definition Z-axis of positive z-axis Kongsberg Maritime uses the following definition of the vessel coordinate system, which for input to any Kongsberg Maritime system must be adhered to: • X = forwards •...
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Alignment Note The GPS based systems provides roll, pitch and heading observations as well as position and heave. Requirements applicable to all sensors must be assessed when using such a system. The motion sensor provides the multibeam echo sounder with the angular orientation of the vessel coordinate system with respect to the gravity vector i.e.
Simultaneous measurements are required if the vessel is moving. Sonar head measurements The EM 2040C Sonar Head has two index marks on the face and on the lid to be used for measuring its centre point and orientation.
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Alignment A ruler oriented with the face index marks can be used to give the heading and pitch of the Sonar Head. By making the ruler as a right-angle cross the roll may be measured. The index marks on the lid may be used for the same purpose, but they are rotated 90 degrees.
The two other methods may be appropriate when installing an EM 2040C on a survey vessel where other sensor positions and orientations are already established. A prerequisite for using an inclinometer is of course that it is accurate enough.
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During the sea trials (SAT), calibration surveys are required as described in the SIS Operator Manual. Based on the calibration parameters determined from these surveys, together with the measurements done in the dry-dock, final values are entered into the EM 2040C. Related topics • Accuracy requirements on page 36...
Kongsberg EM 2040C Requirements for survey report Caution The land survey contractor shall issue a written survey report before approval of the alignment. This is the only mean of verification of the alignment while the vessel is still in dock.
Installing the Slim Processing Unit Installing the Slim Processing Unit CBMF board dip switch setting CBMF is the compact beamformer board used in the Slim Processing Unit. All the dip switches on all the CBMF boards should be set to OFF. OFF is when they are pushed towards the edge of the circuit board.
Kongsberg EM 2040C Processing Unit Setup The EM 2040C Processing Unit has to be set up with system size, PU ID and IP address. These settings are set from the factory, and you are normally not required to change them.
For details, please refer to Short guide to PUSetup2040, document number 398602B. Upgrade to dual swath If the the EM 2040C is to be upgraded to dual swath, the System Size has to be set accordingly. Upgrade to two Processing Units If the the EM 2040C has more than one Processing Unit, each PU has to be set up with different IP addresses and if it is the master or slave PU.
There are two versions of processing unit (PU) for the EM 2040C: • EM 2040C-1. Two PUs are required if this version is used for a dual head application. • EM 2040C-2 (Slim PU). One PU with two CBMF boards is required if this version is used for a dual head or dual swath application.
Cable layout and interconnections Cable plan – single head – slim PU Observe the cable plan for the Kongsberg EM 2040C. Cables identified with an asterisk (*) are provided by Kongsberg. C10* C29-C32 PMC/XMC1 PMC/XMC2 48VDC OUT Port 1 Port 2...
Kongsberg EM 2040C Cable plan – single head – dual swath – slim Observe the cable plan for the Kongsberg EM 2040C. Cables identified with an asterisk (*) are provided by Kongsberg. C10* C29-C32 PMC/XMC1 PMC/XMC2 48VDC OUT Port 1...
Cable layout and interconnections Cable plan – dual head – slim PU Observe the cable plan for the Kongsberg EM 2040C. Cables identified with an asterisk (*) are provided by Kongsberg. C10* C29-C32 PMC/XMC1 PMC/XMC2 48VDC OUT Port 1 Port 2...
Kongsberg EM 2040C Cable plan – dual head – dual swath – slim Observe the cable plan for the Kongsberg EM 2040C. Cables identified with an asterisk (*) are provided by Kongsberg. C36-6* PMC/XMC1 PMC/XMC2 48VDC OUT Port 1 Port 2...
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Cable layout and interconnections Processing Unit, master Processing Unit, slave Sonar head Sonar head Ethernet switch Note The dual head dual swath option is only available with the Slim Processing Unit. Two Processing Units are required. 378789/C...
Kongsberg EM 2040C Cable plan – single head – PU 1 Observe the cable plan for the Kongsberg EM 2040C. Cables identified with an asterisk (*) are provided by Kongsberg. C10* Ethernet to HWS C29-C32 COM 1 - COM 4 C33 Att.
Cable layout and interconnections Cable plan – dual head – PU 1 Observe the cable plan for the Kongsberg EM 2040C. Cables identified with an asterisk (*) are provided by Kongsberg. C10* Ethernet to HWS Slave PU C25* 110/230 V AC C29-C32 COM 1 - COM 4 C33 Att.
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Kongsberg EM 2040C Ship s network Att.vel. Ship s network Transducer 2 Transducer 1 cd02104007 Table 2 C36 specifications – Internal Ethernet connections (dual head) Connection no. Connection point Connection point Used for Master Switch Master IO2040 Transducer data to IO2040 board...
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Cable layout and interconnections Table 2 C36 specifications – Internal Ethernet connections (dual head) (cont'd.) Connection no. Connection point Connection point Used for Master Switch Slave CPU port 1 Communication from the Slave CPU to the Master CPU (sensor data, BITS, etc.) Slave CPU port 2 Slave switch...
The spare numbers in the cable list are implemented to make the numbers consistent for different EM models. The following list of cables applies to all configurations of EM 2040C. Spare cable number Spare cable number Spare cable number...
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Cable layout and interconnections EM2040C/C25 AC mains to processing unit (PU) • This is a AC mains cable with a spring-loaded IEC lock system. The lock button must be release before it is disconnected. • The cable is provided with the processing unit. If the AC mains connector on the cable does not fit, replace it with a suitable connector.
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Kongsberg EM 2040C EM2040C/C29 Serial line interface (COM1) • The processing unit (PU) is equipped with four serial line connectors for input of position, attitude/motion, heading and time. The serial line connectors are 8 pin RJ45 modular jack connectors located on the CPU board.
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• The minimum bend radius is 130 mm. • The cable is provided with the echo sounder. • See EM 2040C Transducer cable w/ low profile connector on page 73. • See EM 2040C Transducer cable w/ circular connector on page 75.
Kongsberg EM 2040C Cable drawings The drawings provided specify in detail each cable used by the Kongsberg EM 2040C. Topics • RJ45 Serial interface RS232 on page 63 • RJ45 Serial interface RS422 on page 64 • Configurable RJ45 to D-SUB interface adapter on page 65 •...
Cable layout and interconnections RJ45 Serial interface RS232 This cable comprises a multi purpose serial line. It provides interface with peripheral units. One end of the cable connects to the processing unit with a RJ45 connector, while the other connects to the peripheral with a 9 pin delta plug. Only the TxD, RxD and GND pins are used.
Kongsberg EM 2040C RJ45 Serial interface RS422 This cable comprises a multi purpose RS422 serial line. It provides interface with peripheral units. One end of the cable connects to the processing unit with a RJ45 connector, while the other connects to the peripheral with a 9 pin delta plug. Only the TxD+, TxD-, RxD+, RxD- and GND pins are used.
TxD- Pin 8 Pin 1 Orange TxD+ Black TxD+ Black Green RxD- White Yellow TxD- View RxD+ Brown RxD+ Brown White RxD- Pin 8 Pin 1 W147 EM 2040/EM 2040C pin assignment Rev.C RJ45 - 9 pin D-SUB adapter 378789/C...
This cable can be used to connect peripheral units with serial data on 9-pin D-SUB interface to the RJ45 RS232 serial interface plug of the EM 2040C. One end of the cable connects to the processing unit with a RJ45 connector, while the other connects to the peripheral with a 9 pin D-SUB.
This cable can be used to connect peripheral units with serial data on 9-pin D-SUB interface to the RJ45 RS422 serial interface plug of the EM 2040C. One end of the cable connects to the processing unit with a RJ45 connector, while the other connects to the peripheral with a 9 pin D-SUB.
Kongsberg EM 2040C Generic RS-232 Serial line This cable comprises a multi purpose serial line. It provides interface with any peripheral unit. One end of the cable connects to the local unit with a 9-pin D-sub connector, (DTE) while the other connects to the peripheral...
Cable layout and interconnections External synchronization interface This connection allows synchronisation of the Kongsberg EM 2040C Multibeam echo sounder systems. The cable is not included with the delivery, and must be provided by the installation shipyard. Cable specifications • Conductors: 5 x 2 x 0.5 mm²...
Kongsberg EM 2040C AC mains with IEC lock This is a 230 VAC power cable for mains power. One end is fitted with an IEC plug with a patented IEC lock system, the other with a standard European mains plug. The cable is 3 meters long.
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Cable layout and interconnections More information • http://www.ieclock.co.uk/step-by-step-plug.php 378789/C...
Kongsberg EM 2040C RJ45 Ethernet, screened (straight and crossover) This cable contains the Ethernet connection. RJ45 plugs are used to terminate the cable. Note that these plugs must be screened to comply to EC rules. Pin 8 Pin 1 End view...
Cable layout and interconnections EM 2040C Transducer cable w/ low profile connector W834 EM 2040C Transducer cable - 15 m Rev.A Low profile connector dwg 380605 378789/C...
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– Power conductor: 600V, max. 4 amp – Twisted pairs: 250V, max. 1 amp Note The current version of the Kongsberg EM 2040C is delivered with low profile connector similar to the EM 3002. The previous version was delivered with circular connector (DIL 13).
Cable layout and interconnections EM 2040C Transducer cable w/ circular connector W833 EM 2040C Transducer cable - 15 m Rev.B DIL13 connector dwg 376768 378789/C...
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– Power conductor: 600V, max. 4 amp – Twisted pairs: 250V, max. 1 amp Note The current version of the Kongsberg EM 2040C is delivered with low profile connector similar to the EM 3002. The previous version was delivered with circular connector (DIL 13).
• Sonar head w/ low profile connector, outline dimensions on page 78 • Sonar head w/ circular connector, outline dimensions on page 79 • Slim processing unit (EM 2040C-2), outline dimensions on page 80 • Processing unit (EM 2040C-1), outline dimensions on page 81...
Kongsberg EM 2040C Slim processing unit (EM 2040C-2), outline dimensions EM 2040/ EM 2040C Slim Processing Unit Page 1 of 1 (Cd02104012) esktop/rack version outline dimensions Pro01 378789/C...
Drawing file Processing unit (EM 2040C-1), outline dimensions EM 2040/ EM 2040C Processing unit Page 1 of 1 (Cd02104003) esktop/rack version outline dimensions Rev. A 378789/C...
Kongsberg EM 2040C Technical specifications This chapter provides the technical specifications and requirements related to the Kongsberg EM 2040C. Topics • Performance specifications on page 83 • Weights and outline dimensions on page 84 • Power specifications on page 86 •...
Technical specifications Performance specifications This section provides the performance specifications for the Kongsberg EM 2040C. • 200 – 400 kHz Frequency range: • 200 – 400 kHz in 10 kHz steps Operator selectable frequencies: • Sonar head depth rating: – EM 2040C: 50 m –...
Kongsberg EM 2040C Table 3 Max depth and coverage, EM 2040C, cold ocean water Operating frequency Max depth Max coverage across Single head Dual head 200 kHz 520 m 570 m 690 m 300 kHz 450 m 525 m 625 m...
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Technical specifications Processing unit PU-2 Slim PU (2U 19” rack mounted) • 482.5 mm (19” rack) Width: • 88.6 mm (2U) Height: • 424 mm Depth: • 10.5 kg Weight: Processing unit PU-2 Slim PU for AUV use • 310.3 mm Width: •...
Kongsberg EM 2040C Power specifications This section provides the technical specifications and requirements related to the AC and/or DC mains supply. Processing unit PU-2 Slim PU (2U 19” rack mounted) • 100 to 250 Vac, 47 to 63 Hz Supply voltage: •...
Technical specifications Colour display • ISIC A/S (http://isic-systems.com) Make: • DuraMON WS 24 inch Model: • Supply voltage: – 90 to 264 Vac / 50 to 60 Hz / single phase Standard: – 18 to 36 Vdc Optional: • Maximum 40 W Power consumption: This information is taken from the manufacturer’s data sheet revision 15.05.2013.
• Serial lines with operator adjustable communication parameters for: – Motion sensor (roll, pitch, heave and optionally heading) in format supported by sensors from the main suppliers like Kongsberg Seatex, Kongsberg Maritime HAIN, Applanix, iXSEA, Coda Octopus and Teledyne TSS –...
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• Output to autopilot in NMEA 0183 APB format (serial line) Doppler shifts All new generation of multibeam echo sounders from Kongsberg Maritime have an extended range performance by use of a frequency modulated transmitter pulse (FM), also called chirp pulse. In the FM mode, the Doppler shift made by the movements of the survey vessel relative to the bottom, cases a range error.
Kongsberg EM 2040C Sensor accuracy The accuracy of the sensor data, as specified by the sensor manufacturer, must fulfill (preferably surpass) the following requirements: • Roll 0.02 degrees RMS • Pitch 0.05 degrees RMS • Heading 0.1 degrees RMS • Heave (real-time output) 5 cm or 5% whichever is highest Alignment specifications This section provides the requirements related to alignment accuracy.
Appendix A General safety rules Appendix A General safety rules The EM 2040C operates on 230 VAC 50/60 Hz. WARNING This voltage is lethal! The following safety precautions must be followed at all times during installation and maintenance work • Always switch off all power before installation or maintenance. Use the main circuit breaker, and label the breaker with a warning sign that informs others that maintenance or installation work is being carried out on the system.
Kongsberg EM 2040C Appendix B Equipment handling This section provides the basic rules for transportation, storage and handling of units. In this context, a unit may be any large or small part of the system. It can be supplied as part of the initial delivery, or as a spare part.
Transportation Unless otherwise stated in the accompanying documentation, electronic, electro-mechanical and mechanical units supplied by Kongsberg Maritime can be transported using all methods approved for delicate equipment; (by road, rail, air or sea). The units are to be transported in accordance with general or specific instructions for the appropriate unit(s), using pallets, transport cases, or carton boxes as appropriate.
Kongsberg EM 2040C Storage prior to installation or use When a system, a unit or a spare part has been delivered to the customer, it may be subject to long time storage prior to installation and use. During this storage period, certain specifications must be met.
If any units are damaged, prepare an inspection report stating the condition of the unit and actions taken. Describe the damage and collect photographic evidence if possible. Send the inspection report to Kongsberg Maritime as soon as possible. If the units are not damaged, check the humidity absorbing material. If required, dry or replace the bags, then re-pack the unit(s) according to the packing instructions.
Kongsberg EM 2040C Once the carton is open, carefully remove all loose packing and insulation material. Check for manuals and other documents that may have been added to the carton during packing, and put these to one side. Check also for special tools, door keys etc.
Appendix B Equipment handling Storage after unpacking The unit must whenever possible be stored in its original transportation crate until ready for installation. The crate must not be used for any purpose for which it was not intended (eg. work platform etc.). Once unpacked, the equipment must be kept in a dry, non condensing atmosphere, free from corrosive agents and isolated from sources of vibration.
Cables Wipe clean all exposed cables, and check for damage. If a cable shows signs of wear or ageing, contact Kongsberg Maritime for advice. Internal batteries If the unit contains batteries, these may discharge slowly during storage. If the unit is to be stored for an extended period, disconnect or remove all internal batteries.
Appendix B Equipment handling Dehumidifier Place a suitably sized bag of desiccant material (silica gel or similar) into the unit to keep the electronic components as dry as possible. Coatings Spray the unit externally with a corrosion inhibitor (e.g. a light oil) before packing. Re-packaging Whenever possible, the unit must be stored and transported in its original packing material and/or crate.
Kongsberg EM 2040C Circuit board handling and packaging Circuit boards are delicate items. They may work year after year in an advanced product, but then fail due to a small spark of static electricity. For this reason, it is very important that they are properly handled and protected during shipping.
During installation and servicing, all electrical equipment (soldering irons, test equipment etc.) must be earthed. Disposal At the end of the product lifetime, all Kongsberg Maritime products must be disposed in an environmental friendly way. 378789/C...
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Kongsberg EM 2040C Kongsberg Maritime offers a product recycling service and we recommend that this is used. The service is described on http://www.km.kongsberg.com →Products →Services →Product recycling All electrical and electronic components must be disposed of separately from the municipal waste stream via designated collection facilities appointed by the government or local authorities.
Appendix C Basic cable requirements Appendix C Basic cable requirements This chapter provides general information related to the installation of system cables. Topics • Cable trays on page 104 • Radio Frequency interference on page 104 • Physical protection on page 105 •...
Kongsberg EM 2040C Cable trays All permanently installed cables associated with the system must be supported and protected along their entire lengths using conduits and/or cable trays. The only exception to this rule is over the final short distance (maximum. 0,5 meters) as the cables run into the cabinets/units to which they are connected.
Appendix C Basic cable requirements It is important that cables, other than those supplying services to the equipment installed in a radio room, are not installed through a radio room, high power switch gear or other potential sources of interference. Cables which must pass through a radio room must be screened by a continuous metal conduit or trunking which must be bonded to the screening of the radio room at its points of entry and exit.
Kongsberg EM 2040C Cable connections All cable connections are shown on the applicable cable plan and interconnection diagrams. Where the cable plan shows cable connections outside an equipment box outline, the connections are to be made to a plug or socket which matches the plug or socket on that particular item of equipment.
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Connections straight cable, 72 transducer position, 40 requirements, 106 transducer roll and pitch, 40 Coordinate system Waterline, 40 sensor location, 37 familiarization EM 2040C, 8 Basic description Description Hydrographic Work Hydrographic Work Station, 13 Station, 13 Grounding Processing Unit, 12...
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