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Elcomponent AEM35 User Manual

Three-phase energy analyser for indirect connection (5a or 0.333v) with modbus or pulse interface
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AEM35 User Manual
Installation and user instructions
Three-phase energy analyser for indirect connection (5A or 0.333V) with Modbus or pulse interface
Features
Power
Consumption
Nominal current (In)
Maximum current (continuing)
Start-up current
Nominal voltage
Voltage range
Frequency
Accuracy class
Environmental specifications
Working temperature
Storage temperature
Output Specifications
Pulse output
Pulse duration
Modbus RS485 port output
NOTE: to set output parameters, see Parameters menu (Fig. 27).
The analyser measures active and reactive energy,
summing or separating imported energy from
exported energy. It displays the main electrical
parameters, including THD, calculated neutral
current and running hours. Current measurements
by external current transformers and voltage
measurements either direct or by potential
transformers. Equipped with a pulse output and
optionally with RS485 Modbus port. It measures
four DIN modules, with removable LCD display unit
allowing the same unit to be used either DIN-rail or
panel mounted and to be used as a transducer
without the display.
Self-power supply from 40 to 480VAC (45-65Hz).
≤2VA/1W
Transformer primary current corresponding to 5A secondary
output (AEM35) or 0.333 V secondary output (AEM35V)
1.2 In
0.01 A
230 V LN, 400 V LL ac
160 to 240 V LN ac, 277 to 415 V LL ac
45-65Hz
Active energy: Class 1 (EN62053-21)
Reactive energy: Class 2 (EN62053-23)
From –25 to +55 °C/from –13 to +131 °F
From –30 to +70 °C/from –22 to +158 °F
Programmable from 0.01 to 9.99 kWh per pulses
TOFF ≥120ms, according to EN62052-31
TON selectable (30 ms or 100 ms) according to EN62053-31
Modbus RTU protocol

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Summary of Contents for Elcomponent AEM35

  • Page 1 Power Self-power supply from 40 to 480VAC (45-65Hz). Consumption ≤2VA/1W Transformer primary current corresponding to 5A secondary Nominal current (In) output (AEM35) or 0.333 V secondary output (AEM35V) Maximum current (continuing) 1.2 In Start-up current 0.01 A Nominal voltage 230 V LN, 400 V LL ac...

  • Page 2: General Features

    Use a slightly dampened cloth to clean the instrument display; do not use abrasives or solvents. Service and warranty In the event of malfunction, fault or for information on the warranty, contact ELCOMPONENT Ltd. General warnings DANGER! Live parts. Heart attack, burns and other injuries. Disconnect the power supply and load before installing the analyser.
  • Page 3 AEM35 User Manual Product (Fig.1) Area Description Green LED: • steady: the instrument is power supplied • blinking: the instrument is power supplied and is communicating by serial port. Current, voltage, output and communication connection terminals Command keys Red LED: •...
  • Page 4 Insert the display unit into the side desired, according to the type of montage: C- DIN rail D- panel 72x72 Note: the package includes two mounting brackets for panel mounting of the instrument ARON connection diagrams, AEM35 only. Diagram Description SyS selection (Fig. 26) Fig. 4 3-ph, 3-wire, unbalanced load, 2-CT connections.
  • Page 5 AEM35 User Manual Connection diagrams, all models. Diagram Description SyS selection (Fig. 26) Fig. 6 3-ph, 4-wire, unbalanced load, 3-CT connection. F=315 mA 3P.n Fig. 7 3-ph, 4-wire, unbalanced load, 3-CT and 3-VT/PT connections 3P.n Fig. 8 3-ph, 3-wire, unbalanced load, 3-CT connection. F=315 mA Fig.
  • Page 6 AEM35 User Manual Connection diagrams, all models. Diagram Description Fig. 16 Opto-mosfet static output Fig. 17 RS485 Modbus with Master Note: additional instruments with RS485 are connected in parallel. The serial output must only be terminated on the last network device connecting terminals B+ and T. For connections longer than 1000 m or networks with more than 160 instruments, use a signal repeater.
  • Page 7 AEM35 User Manual Menu map (Fig. 23) Area Function Measurement menu. Measurements displayed by default when turned on. Pages are characterised by the reference unit of measure. Parameter menu. Parameter settings pages. Require login password. Information menu. The pages display information and set parameters without having to...

  • Page 8: Setting A Parameter

    AEM35 User Manual Commands (Fig. from 20 to 22) Navigation Parameter settings Operation Command Operation Command View the next measurement page Fig. 20 Enter parameter setting Fig. 21 Fig. 21 Change between increase mode Open the information menu (C icon displayed) and decrease Fig.

  • Page 9: Measurement Menu

    PArity Parity bAud Baud rate 115 kbps bStop Bit stop Secondary Address 1234567 Available information pages AEM35 ONLY Page Code Description Disp. values in the example (fig.26) Ct rAT. Current transformer ratio Available information pages for AEM35V ONLY Page Code Description Disp.

  • Page 10: Parameter Menus

    AEM35 User Manual Parameter menus (Fig. 27) Available menus for ALL MODELS Page Description Values PASS Enter current password Current password. CnGPASS Change password Three digits (000–999) APPLiC. Selects the pertinent application A/ B/ C/ D/ E/ F System type 3Pn: 3-phase unbalanced with neutral;...
  • Page 11 AEM35 User Manual...
  • Page 12 AEM35 User Manual • EN 61010-1 • 2014/30/EU • EN 62053-21 • EN62052-11...

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