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CHARGING UNIT DEM 313

Features

fully automatic charging unit 24V/4A for constant I/U battery charging in continuous battery power
supply mode

regulation of charging voltage with high-efficiency primary switched chopper regulator

charging output with short-circuit and reverse voltage protection

integrated battery monitoring module with overvoltage protection, exhaustive discharge protection,
mains voltage  monitoring,  battery voltage monitoring,  charging  circuit  monitoring,  LED fault
indicator, collective failure information via floating contact

integrated 3-digit LC display showing charging voltage and charging current

temperature tracking of charging voltage in standby mode

connector BATTERY CONTROL with all control functions and failure indication output

19" enclosure with 2HU

OWNER’S MANUAL

Summary of Contents for Pro Matrix System DEM 313

Page 1: ...tegrated battery monitoring module with overvoltage protection exhaustive discharge protection mains voltage monitoring battery voltage monitoring charging circuit monitoring LED fault indicator collective failure information via floating contact integrated 3 digit LC display showing charging voltage and charging current temperature tracking of charging voltage in standby mode connector BATTERY CO...

Page 2: ...s been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 Do not expose this equipment to dripping or splashing and ensure that no objects filled with liquids such as vases are placed on the equipment 16 To completely disconnect this equipment from the AC Mains disconnect the power plug from the AC r...

Page 3: ...ecycling Disposal Instructions The Wheelie Bin symbol found on the product or in the manual indicates that this product must not be disposed of with other waste It is in our category the manufacturer s responsibility to properly dispose of their waste electrical and electronic equipment WEEE at the end of its life Due to the differences in each EU country s management of WEEE please contact your l...

Page 4: ...19 5 2 Charging other batteries 20 6 Description of function and operation 20 6 1 OVERVOLTAGE protection 21 6 2 LOW VOLTAGE monitoring 21 6 3 LINE VOLTAGE monitoring 21 6 4 BATTERY VOLTAGE monitoring 21 6 5 CHARGE CURRENT monitoring 21 6 6 Protection against reverse voltage and short circuit 21 6 7 Collective failure indication 21 6 8 Volt Ampere meter 22 6 9 Temperature tracking 22 7 Fuses 22 8 G...

Page 5: ...to clean the unit as these can damage it perhaps causing it to ignite suddenly 3 Before commissioning Before connecting the unit to the mains the following connections must be made The D sub connector socket BATTERY CONTROL 9 of the charging unit ist to be connected with the D sub connector BATTERY CONTROL of the battery module also see Figure 1 and Section 3 1 The CHARGE OUTPUT 8 of the charging ...

Page 6: ...age to be performed by qualified personnel only Attention Before removing the top unit cover the device must have been disconnected from the mains for at least 2 minutes since the capacitors in the device carry hazardous voltage which needs to discharge first For 115V AC operation the mains powerfuse 6 must be replaced by a fuse 2A slo blo T2A A T2A label must be stuck over the T1 A marking above ...

Page 7: ...to between 0 5 mA and 10 mA per Ah Note lf the connection is faulty there is no charging current and the green LED 3 CHARGE CURRENT does not light up Please check all connections between the battery and the charging unit all fuses and the mains voltage The capacity retention of the battery takes place with a constant voltage of 27 3 V at 20 C The charging voltage is indicated by the LC display 1 i...

Page 8: ...the battery suitable relays must be used which are to be connected with the charging unit according to Figure 1 or Figure 2 The total coil resistance of the relays may not be below 70 ohms Attention VDE 0510 is to be observed for the installation of the batteries Short circuit proof installation of battery cables must be observed in particular and precautions against the risk of explosion must be ...

Page 9: ...tion only works with the battery modules DEM 315 DEM 316 and DEM 317 also see Sections 5 1 and 5 2 6 5 CHARGE CURRENT monitoring This is for monitoring the battery charge circuit Errors like broken wires or missing batteries are recognized When the battery charge current falls below the threshold of 150mA 25mA solder change able the battery charger briefly loads the battery to check whether a mini...

Page 10: ...mensions of all the fuses in the unit are 5 x 20 mm and must correspond with IEC 127 Fuse holder 4 mains power fuse for mains connector see page 2 T4A 250V Fuse holder 6 mains power fuse for 230V ac see page 2 T1A 250V Fuse holder 6 mains power fuse for 11 5V ac see page 2 T2A 250V PCB 85254 F503 output fuse CHARGE OUTPUT see Figure 3 T4A 250V 8 Glossary Continuous battery power supply standby ope...

Page 11: ...nt of the charging voltage 40 mV C Ripple at nominal operation 0 1 Static mains control at input deviations of l0 15 0 05 Nominal charging current 4 A Current limitation approx 4 A Standby current at power failure 110 mA Switching frequency 88 kHz l0 Efficiency approx 83 Failure detection OVERVOLTAGE 29 6 V Failure detection at battery LOW VOLTAGE 25 5 V operation mode charging Failure detection a...

Page 12: ...24 ...

Page 13: ...ng 45 D 94315 Straubing Germany Phone 49 9421 706 0 Fax 49 9421 706 265 Asia Pacific Rim Headquarter Asia Singapore Telex Communications SEA Pte Ltd 38C Jalan Pemimpin Singapore 577180 Tel 65 6319 0621 Fax 65 6319 0620 Japan EVI Audio Japan Ltd 5 3 8 Funabashi Setagaya Ku Tokyo Japan 156 0055 Phone 81 3 5316 5020 Fax 81 3 5316 5031 Hong Kong Telex EVI Audio HK Ltd Unit 5 1 F Topsail Plaza 11 On Sh...

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