CARLO GAVAZZI WM23-96 - PROGRAMMING Manuál s instrukcemi Strana 17

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Hardware Functions
In-Out
Performances
The best to suit your needs!
Energy Meter EM4 DIN
90x162.5 (9 DIN modules)
LCD (back lighted)
YES
3 1/2 DGT
8 DGT + 7 1/2 DGT
Class 1 (EN61036)
Class 2 (EN61268)
200ppm°/C
2 samples/s
Bal.: 3-phase, Unbal.:3-phase
57/100V, 120/208VAC, 230/400V,
380/660VAC
In: 5A, Imax:10AAC
Ib: 20A, Imax:90AAC
2 indep. (H
2O/gas counter or 4-time
period selection)
Prog: CT up to 5000A; VT up to 20kV
TRMS method
Total:kWh, kvarh,H
2O, gas; t1-t2-t3-t4:
kWh, kvarh; t1-t2: gas; W
L1,WL2,WL3,
Wdmd
N.A.
2 (open collector type)
1 (open collector or relay)
N.A.
RS422/485 (Modbus)
kWh and kvarh data transmission,
water and gas inputs and data
transmission
N.A.
Modular concept, Plug-in modules
Self power supply, 24,48,115,230VAC,
18-60 73-143VDC
CE
IP40
Housing (H x W)
Display type
Variables on display
Instantaneous variables
Energy variables
Accuracy
Temperature drift
Sampling rate
System type
Voltage inputs (Un)
Current inputs (In)
Digital inputs
Primary of CT/VT
Measurements:
Variables
Harmonic distortion
Outputs: Pulse
Alarm
Analogue
Serial
Dupline
Digital filter
Other characteristics
Power supply
Approvals
Protection degree
EM4 DIN is an advanced utility meter capable to measure
not only the usual consumed energies but also gas and
water by means of the optional dual contact inputs module.
The main advantages
High accuracy and resolution for a fine cost calculation.
Simultaneous indication of both active and reactive energy
allowing the user to read the variables at a glance.
Displaying of the active power demand with manual or exter-
nal synchronisation. The fixed power supply costs are calcu-
lated with the same system used by the electricity board.
Management of the pulses from gas and water meters
based on single or dual tariff calculation and energy multi-
tariff management (by means of two selection contact inputs)
giving more flexibility and meeting the application needs.
Metering of energy, water and gas in the same instrument
allowing the data transmission by means of the same
communication port. Now available also via Dupline.
Effective control of phase sequence, serial communication
and wrong connection of the current inputs statuts making
the instrument installation: easy, fast and free of wiring errors.
Self power supply working even in case of one phase line
failure granting continuous metering of energy.
EM4 DIN
Comm
18
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