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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
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Table of Contents
Summary of Contents for Dynacord Pro Matrix System DEM 313
- Page 1 OWNER’S MANUAL 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 —...
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Page 2: Safety Instructions / Service Instructions
IMPORTANT SAFETY INSTRUCTIONS The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage“ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in... - Page 3 We are committed to facilitate our own electronic-waste-management-system, for the free of charge return of all EVI Audio GmbH products: Telex, Dynacord, Electro-Voice, Midas Consoles, KlarkTeknik and RTS. Arrangements are made with the dealer where you purchased the equipment from, for the returning of all unusable equipment at no cost, to the factory in Straubing, for environmental protective disposal.
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Page 4: Table Of Contents
LIST OF CONTENTS SAFETY INSTRUCTIONS / SERVICE INSTRUCTIONS ....14 Application ..........17 Installation instructions . -
Page 5: Application
Should an object or liquid get into the case, disconnect the unit from the current sources immediately and have the device checked by a DYNACORD service center, before further use. Do not use any sprays to clean the unit, as these can damage it, perhaps causing it to ignite suddenly. -
Page 6: Sub-D Socket Battery Control
Fig. 1 Connection of the battery to the charging unit 3.1 Control connector BATTERY CONTROL Various control input/outputs are available at the 15-pole D-sub pin connector BATTERY CONTROL (9): (Also see Figure 2): - Input temperature sensor +TEMP/-TEMP - Output exhaustive discharge relay +LVR/-LVR - Failure signal output FAILURE Fig. -
Page 7: Battery Charging
F 503 S 504 S 503 S 502 S 501 Fig. 3 PCB 85254 Location of the wire jumpers S501 - S504 for altering mains voltage and position of the output fuse F503 5. Battery charging 5.1 Charging the batteries in the battery modules DEM 316 or DEM 317 Once the charging unit has been connected to the battery module correctly, (see Section 3) and the mains voltage is present the green LEDs (3) LINE VOLTAGE, BATTERY VOLTAGE and CHARGE CURRENT light up. -
Page 8: Charging Other Batteries
5.2 Charging of other batteries DYNACORD battery modules DEM 316, DEM 317 or other maintenance - free 24V lead-acid batteries with a rated capacity up to 65 Ah can be charged with the charging unit DEM 313. To do so, the charging output CHARGE OUTPUT + (8) is to be connected with the plus pole and the charging output CHARGE OUTPUT - (8) with the negative pole of the battery respectively. -
Page 9: Overvoltage Protection
6.1 OVERVOLTAGE protection This circuit monitors the value of the output voltage of the charging unit. lf the output voltage exceeds the pre-set upper threshold, the red LED OVERVOLTAGE lights up, the charging unit is disconnected from battery and consumers automatically, activating the error message. Thereby the battery remains connec- ted to the consumer, supplying it until the failure has been remedied. -
Page 10: Volt/Ampere Meter
6.8 Volt-/Amperemeter A 3-digit LC display (1) with toggle switch (2) is provided for measurement of the battery voltage or the charging current. With the switch V/A at the front panel in position V, the battery vollage is shown. Likewise the charging current is shown with the switch in position A. -
Page 11: Registrations And Standards
9. Approvals and standards - The charging units correspond to the following standards: EN 55014-2 Immunity requirements for household appliances, electric tools and similar electrical appliances EN 50082-1 Basic standard for interference rejection; living area, business areas as well as small enterprises EN 60065 Safety requirements for mains-operated electronic appliances and related accessories... - Page 13 Bosch Communications Systems Americas–Headquarter Americas Europe, Africa & Middle-East Asia & Pacific Rim–Headquarter Asia Telex Communications, Inc. Headquarter EAME Singapore: Telex Communications (SEA) Pte Ltd 12000 Portland Ave South, EVI Audio GmbH 38C Jalan Pemimpin Singapore 577180 Burnsville, MN 55337, USA Hirschberger Ring 45, D-94315, USA–Ph: 1-800-392-3497 Tel: (65) 6319 0621...
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