I307 GB I 10 17 31100136
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LOVATO ELECTRIC S.P.A.
24020 GORLE (BERGAMO) ITALIA
VIA DON E. MAZZA, 12
TEL. 035 4282111
FAX (Nazionale): 035 4282200
FAX (International): +39 035 4282400
E-mail info@
LovatoElectric.com
Web www.
LovatoElectric.com
DME D310 T2 MID
THREE-PHASE ENERGY METER WITH CT CURRENT INPUTS
Instructions manual
GB
WARNING!
– Carefully read the manual before the installation or use.
– This equipment is to be installed by qualified personnel, complying to current standards, to avoid damages or safety hazards.
– Before any maintenance operation on the device, remove all the voltages from measuring and supply inputs and short-circuit the CT input terminals.
– The manufacturer cannot be held responsible for electrical safety in case of improper use of the equipment.
– Products illustrated herein are subject to alteration and changes without prior notice. Technical data and descriptions in the documentation are accurate, to the best of our knowledge, but no liabilities for errors,
omissions or contingencies arising there from are accepted.
– A circuit breaker must be included in the electrical installation of the building. It must be installed close by the equipment and within easy reach of the operator. It must be marked as the disconnecting device of the
equipment: IEC /EN 61010-1 § 6.11.2.
– Fit the instrument in an enclosure or cabinet with minimum IP51 degree protection.
– Clean the instrument with a soft dry cloth; do not use abrasives, liquid detergents or solvents.
INDEX Page
Introduction 1
Description 1
Keyboard functions 2
Measurement viewing 2
Table of display pages 3
Energy meters page 3
Hour counters page 3
Trend graph page 4
Counters page 4
Metrological sealing and markings 4
Main menu 5
Password access 5
Expandability 5
Additional resources 6
Inputs, outputs, internal variables, counters 6
Limit thresholds 6
Remote-controlled variables 7
Tariffs 7
Setting of parameters (set-up) 7
Table of parameters 8
Commands menu 11
Wiring test 11
Technical characteristics 12
Wiring diagrams 13
Terminal arrangement 13
Mechanical dimensions 13
INTRODUCTION
The DME D310 T2 MID energy meter has been designed to combine the maximum possible ease of operation together with a wide choice of advanced functions.
The active energy measurement complies with EN50470-3 (MID class B).
The great accuracy, the ease of installation and operation make it an optimal choice for energy management and cost allocation tasks.
The graphic LCD display offers a clear and user-friendly interface. The built-in optical interface allows the expansion through EXM modules.
DESCRIPTION
– Modular housing, 4U (72mm wide) for 35mm DIN rail
– Graphic LCD display, 128x80 pixels, white backlight, 4 levels of grey
– Membrane keyboard with 3 keys for viewing and setting.
– Metrological LED for energy flow indication.
– Active energy measurements complies EN 50470-3 class B.
– MID compliant.
– Connection through external CTs.
– Programmable input (e.g. for tariff selection)
– 2 programmable static outputs.
– Total active and reactive energy meters.
– Partial active and reactive energy meters, resettable.
– Hour counter, total and partial.
– Easy and fast navigation.
– Texts for measurements, set-up and messages in 5 languages.
– Optical interface for max 3 expansion modules EXM series.
– Sealable terminal covers.
– Advanced programmable I/O functions.
– True RMS measurements.
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