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Contrel EMM-4h Instruction Manual

Contrel EMM-4h Instruction Manual

Electrical multifunction meter

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INSTRUCTION MANUAL
IM442-U v0.7
EMM-4h
ELECTRICAL MULTIFUNCTION METER
GENERALITY
These digital multimeters allow to monitor all the electrical parameters
present on a distribution line. The local display of 30 electrical parameters
is carried out by 4 display with red LED guaranteeing a good and
contemporary reading of more measures. A simple front panel completes
the intuitive selection of several electrical parameters, with a great quantity
of information. These instruments, over of the instantaneous measures,
display the maximum peak of the main parameters (maximum peak and
maximum demand). The presence of the serial port communication
EIA485 (option) allows the connection in network of more instruments to
realize centralized measure networks.
These multimeters replace in a unique device, all the functions of
voltmeters,
ammeters,
varmeters, frequency meters permitting a great economic saving, a
reduction of dimension and the wiring energy and a simplification in the
purchase and management of the instruments because this is a model
usable at all of need of local measure in the electrical panel, machine, etc.
AVAILABLE MODELS
It's available only a model for flush mounting for panel.
-EMM-4h
basic version in execution for flush mounting DIN 96x96mm
ACCESSORIES AND OPTIONS
accessories: frontal protection transparent cover
options:
analog output (alternative to digital input option)
digital output
serial output RS485
insulated current inputs
neutral current input
digital input (alternative to analog Output option)
MEASURED PARAMETERS
parameters
phase and three phase voltages
phase to phase and three phase system voltages
phase and three phase currents
neutral current
phase and three phase power factors
phase and three phase active powers
phase and three phase system reactive powers
phase and three-phase system apparent powers
frequency
temperature
three phase system active energy
three phase system reactive energy
three phase system apparent energy
hour counter
average and peak values (maximums):
maximum phase voltages
maximum phase currents
maximum neutral current
maximum three-phase powers
maximum average phase currents (maximum demand)
maximum average neutral current (maximum demand)
maximum average three-phase powers (maximum demand)
average phase currents
average neutral current
average three-phase powers
EMM-4h
energy
meters,
cosphimeters,
instruction manual
wattmeters,
unit of measurement
[V-kV]
V
[V-kV]
V
[A-kA]
A
[A-kA]
A
n
PF
[W-kW-MW]
W
[VAr-kVAr-MVAr]
VAr
[VA-kVA-MVA]
VA
[Hz]
Hz
[°C]
T
Σ kWh
[kWh]
Σ kVArh
[kVArh]
[kVAh]
Σ kVAh
[hr]
h
[V-kV]
V
[A-kA]
A
[A-kA]
A
n max
Σ W
[W-VAr-VA (k-M)]
[A-kA]
I
L1 max (avg)
[A-kA]
A
n max (avg)
Σ W
[W-VAr-VA (k-M)]
[A-kA]
A
[A-kA]
A
n avg
[W-VAr-VA (k-M)]
Σ W
IM442-U v0.7
initial identification
V
V
L1-N
L2-N
L3-N
V
V
L1-L2
L2-L3
L3-L1
A
A
L1
L2
L3
PF
PF
L1
L2
L3
W
W
L1
L2
L3
VAr
VAr
L1
L2
L3
VA
VA
L1
L2
L3
L1
V
L1-N max
L2-N max
A
L1 max
L2 max
Σ VAr
max
max
I
L2 max (avg)
Σ VAr
max (avg)
max (avg)
A
L1 avg
L2 avg
Σ VAr
avg
avg
pag. 1
Σ V
L-N
Σ V
L-L
Σ A
Σ PF
Σ W
Σ VAr
Σ VA
V
L3-N max
A
L3 max
Σ VA
max
I
L3 max (avg)
Σ VA
max (avg)
A
L3 avg
Σ VA
avg

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Summary of Contents for Contrel EMM-4h

  • Page 1 INSTRUCTION MANUAL IM442-U v0.7 EMM-4h ELECTRICAL MULTIFUNCTION METER GENERALITY These digital multimeters allow to monitor all the electrical parameters present on a distribution line. The local display of 30 electrical parameters is carried out by 4 display with red LED guaranteeing a good and contemporary reading of more measures.
  • Page 2: Installation

    For safety reasons, place an external fuse protection at the input voltages, and use adequate cables for the working voltages and currents, with a cross sections from 0,5 to 2,5 mm WIRING DIAGRAMS Pin-out OPTIONS: EMM-4h (complete) POWER SUPPLY V. AUX rear panel I ∆...
  • Page 3 N.B. If the multimeters are used on single phase line, the measure are referred on the L1 phase. The others datadisplayed relatives at three phase system are not to consider. EMM-4h instruction manual IM442-U v0.7 pag. 3...
  • Page 4 DESCRIPTION FRONT PANEL– OPERATORS EMM-4h electrical multi meter P.F. ΣL °C kVArh ...h LEGEND: push-button for the visualization of electrical parameters of three-phase system with the corresponding LED indication. In modality programming (SETUP) it’s used to confirm the parameter set.
  • Page 5 8data 1stop-even parity 8.1 paR EVE (version with serial output) bit: 8data 1stop-odd parity 8.1 paR ODD Increase SET PAS Set Password OFF - 0002 ÷ 9999 Decrease Confirm and end of general settings EMM-4h instruction manual IM442-U v0.7 pag. 5...
  • Page 6 100 mS to 500 mS, with 100 ms steps by using B key (to increase the value) and C (to decrease the value). Confirm the value pressing the A key. This setting is used by all digital outputs. EMM-4h instruction manual IM442-U v0.7...
  • Page 7 To enable the chosen type, press the B key to change the indication on display G from NO to yes. Confirm enabling cancellation, by pressing the A key. The indication on display G change from yes to ---. EMM-4h instruction manual IM442-U v0.7...
  • Page 8 Decrease (after 0 there is OFF) ALR HI Set minimum alarm threshold Increase Decrease (after 0 there is OFF) ALR LO Set delay Increase Decrease ALR Dl Confirm and end of digital output settings. EMM-4h instruction manual IM442-U v0.7 pag. 8...
  • Page 9 F display will appear ALR DLY and the value expressed in seconds (range 1÷900). The modification of the value is done in the same way of the threshold set. With the confirmation (A key) the set is complete. The programming will be referred to the digital output indicated on G display (DO1 o DO2). EMM-4h instruction manual IM442-U v0.7...
  • Page 10 After the confirmation of the end scale on F display will be displayed the message AN with the limit values of the analog output: 0-20 or 4-20 selectable with the B and C keys. Confirm with A key. EMM-4h instruction manual IM442-U v0.7...
  • Page 11 R and the number of the instrument that is in communication while if the instrument transmits data, it displays the letter T. VARIABLE LIST three-phase voltage three-phase current neutral current three-phase power factor active power reactive power apparent power phase to phase voltage frequency temperature T°C EMM-4h instruction manual IM442-U v0.7 pag. 11...
  • Page 12: Measures Visualization

    The instrument is divided in two distinct section: L -N the first is composed by three displays (F), by A and B keys and by EMM-4h elect ri cal LED bar D; the second (in the low part) is composed by G display, m ul ti meter P.F.
  • Page 13 B key while a luminous segment on the G display indicates the type of the maximum and/or average value. EMM-4h electrical AVG: the average values are calculated on a average time set. The multi meter P.F.
  • Page 14: Serial Line Connections

    On the same RS485 it is possible to install up to 32 units, beyond this number of units it is required to place a signal repeater, each one of them will be able to manage up to 32 instruments. The higher is the number of connected instruments on the same serial line, the lower will be their response speed. EMM-4h instruction manual IM442-U v0.7...
  • Page 15 DIMENSIONS flush mounting for panel cut out panel DIN 43700 EMM-4h electrical multi meter P.F. ΣL °C kVArh ...h EMM-4h instruction manual IM442-U v0.7 pag. 15...
  • Page 16 The liability of the producer for damage caused by defect of the product ”can be reduced or deleted (…) when the damage is caused joint by a defect of product or for blame of the damaged or a person of which the damaged is responsible” (Article 8, 85/374/CEE). EMM-4h instruction manual IM442-U v0.7...