CARLO GAVAZZI WM23-96 - PROGRAMMING Manual de Instruções descarregar pdf (Página 30)

Power variable analysis and great communication capabilities: this is the strength of PQT 90

• Energies-water-gas and instantaneous variables readable

on the display of your GSM mobile phone giving you

maximum control freedom, saving time and money.

• Alarms transmitted as soon as they occur via GSM or ana-

logue modem, notifying the plant abnormal conditions.

• Data logging and stamping of up to 8 programmable instan-

taneous variables for a time duration up to 90 weeks wi t h

date and time references to build up the history of your

electrical installation.

• PqtSoft Network communication software to download,

manually or automatically (via RS485-analogue modem

GSM modem), up to 2Mb data stored in the PQT 90.

This information can be plotted simply in an Excel

spreadsheet.

• Pqt Soft Remote to easily download or upload the

programming parameters from a PQT 90 to a PC and viceversa.

• Continuous data stamping and communication: RS232,

RS485, modem, GSM.

• Powerful data acquisition by means of PqtSoft and mobile

phones wherever you are.

Main variables

Variables that can be managed by PQT 90

System Average Min RS485 Analogue out

V asymmetry

var

+kWh (*)

-kWh (*)

+kvarh (*)

-kvarh (*)

GAS (*)

THD (A-V)

THD even (A-V)

THD odd (A-V)

Single harmonic

Single ph Max Alarm Out Pulse

Official watt-hour meter interface. The 3 interfacing methods of PQT 90 are:

• Direct measurement for the power quality analysis (LV or MV/HV connection).

• Indirect energy and power measurements by means of official Watt-hour meters

(LV or MV/HV connection).

• Direct measurements of the instantaneous variables (LV connection) and indirect

measurements of the energy variables (LV or MV/HV connection).

(*) Total and time-period energies

PqtKit the wireless solution of PQT ...

... GSM communication and download software

PqtSoft

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