Service manual for DC/DC converter
Contents
1. the broadest narrowband money can buy EP RACOM RADIO DATA NETWORKS Service manual for DC DC converter version 1 2 9 15 2015 RACOM s r o Mirova 1283 592 31 Nove Mesto na Morave Czech Republic Tel 420 565 659 511 Fax 420 565 659 512 E mail racom racom eu Table of Contents OCD CONVENE nit 5 TT Brief descrpHOLl a sten een 5 PAPPI AMON SE nto eate ee ee ee EPI IE aD e MEN 5 NS Ec mal CCU taste ra lo a 6 1 4 Technical parameters of the DOC 24 ooo cccceeccseecseeteneeeneteneteeeteeeseeeteeetseeteuetseenseeteees 6 3 uestes eM I 6 AMI e EE 1 Ko ET Lc ELM T 2 1 Declaration OF ConfoFfmily uds sents one its T AAA O oa ANA 9 3 DEE22 lAstalla iO IASTUCUONS ann ar 10 SEE I are Olle 1 Oz a a 10 4 Warranty and ServICIDIQ ute ee He 11 SA A A 12 9 1 Important Warmin ae ee en 12 5 2 Conditions of Liability for Defects and Instructions for Safe Operation of Equipment 12 RACOM s r o DCC24 3 DC DC converter 1 DC DC converter N ERTER pcmc CONVERTE p v 1 1 Brief description The DCC 24 is a switched step down converter which converts DC voltage in the range 20 V to 60 V on the input side to 13 8 V 2 5 A DC on the output side The converter has high efficiency typically better than 80 It is resistant to polarity reversal of the input voltage undervoltage at the input shorting at2. Modulation Bit Rate Bit Rate declared limit H Ez E 9 16 QAM 17 3 8 8 8 17 30 14 3 64 QAM 28 8 25 33 20 20 Guaranteed values and according limits for specifications of disturbance attenuation are shown for lucidity in the same form as the parameter of Blocking It is therefore a ratio of C signal disturbance output useful signal output expressed in logarithmic units RACOM s r o DCC24 13
3. Dimensions length x width x height Note For converters manufactured before February 2008 is the input voltage in the range of 20 60 V 1 5 Product Consistency Railway Safety Appliance Standards Regulations Electronic appliances in railway vehicles CSN EN 50155 ed 2 2002 art 10 2 8 2 CSN EN 50121 art 7 tab 3 and 4 EMC Electromagnetic Compatibility CSN EN 50121 3 2 art 8 Vibrations and beats CSN EN 61373 RACOM s r o hereby declares that its GPRS modem MG100 complies of the European Uniondirectives 89 336 EEC This equipment therefore bears the CE marking 6 DCC24 O RACOM s r o Declarations 2 Declarations 2 1 Declaration of Conformity RACOM s r o DCC24 T Declarations Fig 2 1 Declaration of conformity 8 DCC24 O RACOM s r o Declarations 2 2 Country of Origin EP RACOM RADIO DATA NETWORKS Country of Origin Declaration Producer RACOM s r o Address Mirova 1283 592 31 Nove Mesto na Morave Czech Republic VAT No CZ46343423 We the manufacturer hereby declare that Country of Origin of the RAy microwave links and its accessories is the Czech Republic EU Part Number Description MS2000 12 230 V AC 13 8 V DC intelligent back up MS2000 24 230 V AC 24 V DC intelligent back up MSU120 Arbitrary solar panel 14 7 V DC DCC24 20 60 V DC 13 8 VDC A Nove Mesto na Morave 1 of March 2014 VAN A lt Jiri Hruska CEO d m C y RA
4. COM s r o Mirova 1283 592 31 Nove Mesto na Morave Czech Republic Tel 420 565 659 511 Fax 420 565 659 512 E mail racom racom eu Fig 2 2 Country of Origin declaration for MS2000 RACOM s r o DCC24 DCC24 Installation Instructions 3 DCC24 Installation Instructions The device is designed for industrial use for assembly into premises with limited access electrical switchboards Wiring up must be carried out by an individual with knowledge of the regulation No 50 78 Coll The source is designed for assembly into switchboards by attaching to a mounting plate on to a DIN rail The mounting plate and DIN rail must be properly grounded in accordance with valid standards The source must be located in such a way so as not to prevent air circulation necessary for cooling purposes Conductors must be wired into labelled terminals in accordance with valid standards Terminals are only designed for connecting copper conductors of max diameter 2 5 mm and do not serve for switching devices under voltage If there is a larger distance from the converter to the solar panel or to the accumulator where installation leads longer than 3 m would be required we recommend wiring in conductors with a greater diameter from the shortest possible distance from the converter in order to limit power losses in the circuit when it is at maximum charging current We do not recommend changing accumulator poles when wiring up Colo
5. arge Source code is the property of RACOM and is not available to any user Any commercial use of the software with this licence is strictly forbidden Changes to software and documentation are forbidden RACOM firmware is released with the intention that it will be useful however without any specific guarantees Under no circumstances is the Racom or any other company or person responsible for incidental ac cidental or related damage arising as a result of the use of this product The manufacturer shall not provide the user with any form of guarantee containing assurance of the suitability and applicability for its application RACOM products are not developed designed or tested for use in equipment which directly affects the health and life functions of humans or animals and neither as part of other important equipment and RACOM does not provide a guarantee if company products are used in such equipment 5 2 Conditions of Liability for Defects and Instructions for Safe Operation of Equipment Please read these safety instructions carefully before using the product Liability for defects does not apply to any product that has been used in a manner which conflicts with the instructions contained in this operator manual or if the case in which the converter is located has been opened or if the equipment has been tampered with e Equipment mentioned in this operator manual may only be used in accordance with instructions contained in this ma
6. nual Error free and safe operation of this equipment is only guaranteed if this equipment is transported stored operated and controlled in the proper manner The same applies to equipment maintenance e In order to prevent damage to the converter and other terminal equipment the supply must always be disconnected upon connecting or disconnecting the cable to the radio modem data interface lt is necessary to ensure that connected equipment has been grounded to the same potential Before connecting the supply cable the output source voltage should be disconnected e Only undermentioned manufacturer is entitled to repair any devices 12 DCC24 RACOM s r o Conditions for DCC24 Tab 5 1 RAy10 Radio parameters Channel spacing 7 MHz limits for ACCP CCDP Adjacent Co channel channel RSS SNR for rejection Selectivity Blocking Raw User 1 dB Modulation Bit Rate Bit Rate RSS declared limit QPSK 8 5 QPSK 16 QAM 16 QAM 32 QAM 32 QAM 2 64 QAM 28 3 64 QAM 28 8 Guaranteed values and according limits for specifications of disturbance attenuation are shown for lucidity in the same form as the parameter of Blocking It is therefore a ratio of C signal disturbance output useful signal output expressed in logarithmic units Tab 5 2 RAy10 Radio parameters Channel spacing 7 MHz limits for ACCP CCDP Adjacent Co channel channel RSS SNR for rejection Selectivity Blocking Raw es 1 dB 17 5 MHz
7. the output and connecting voltage to the output terminals If the input voltage descents under 16 5 V at 1 2 5 A then the converter switched off to prevent the unstable conditions Assembly on to DIN rail TS35 Minimum ground plan dimension 35 x 75 mm Maximum demand charge 35 W 1 2 Application The DCC24 converter is suitable for DC voltage supply to electrical devices when it is necessary to convert DC voltages in the 20 V to 60 V range to 13 8 V DC and with a maximum output current of 2 5 A It is typically used for supplying MORSE system devices MR25 and MR400 radio modems media where the backed up distribution is 24 V DC or 48 V DC Due to its high efficiency and small dimensions the DCC24 converter finds use in supplying elec tronic equipment located in mobile devices with a 24 V DC on board network The design and construction of this device allows for long term loading and for this reason it is primarily determined for continuously running applications RACOM s r o DCC24 5 DC DC converter e DC DC converter is designated for Assembly on to DIN rail TS35 ground plan dimension is 35 x 75 mm 1 3 External circuitry Connections of input and output wires to terminals of the converter are shown in the following diagram Terminals are of ENTRELEC type and enable connection of conductors with maximum cross section of 2 5 mm 1 4 Technical parameters of the DCC 24 max 6 5 at 16 8 19 V
8. ur coding of low voltage conductors must comply with the requirements of respective standards 3 1 Assembly of the DCC24 The DCC24 converter is a special device requiring special assembly RACOM s own employees as semble all supplied devices at the user s premises For subsequent maintenance RACOM shall train the user s specialists who will have the Operating regulations for radio data networks and MORSE Firmware Documentation available to help them 10 DCC24 O RACOM s r o Warranty and Servicing 4 Warranty and Servicing The manufacturer assumes liability for defects for a period of 24 months Only the manufacturer RACOM s r o M rov 1283 592 31 Nov M sto na Morav Czech Republic Tel 420 566 618 578 is entitled to repair any devices RACOM s r o DCC24 11 Conditions for DCC24 5 Conditions for DCC24 5 1 Important Warning RACOM s r o hereinafter referred to as RACOM is the exclusive owner of all rights to this operator manual All rights reserved Any duplication of this manual in any way shape or form or translation to any other language without the prior written consent of the owner of the rights is strictly forbidden RACOM retains the right to make changes to the technical specification or functions of this product or to terminate production of this product or to terminate service support of this product without advance written notice to the customer RACOM firmware is available free of ch
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