CARLO GAVAZZI POWERSOFT Manual de usuario descargar pdf (Pagina 9)

CARLO GAVAZZI Automation Components. Speciﬁ cations are subject to change without notice. Illustrations are for example only.

In new constructions, it is absolutely

essential to achieve maximum energy

efﬁ ciency and to avoid situations where a

load (a fan, a light or a heating system) is

supplied in an unused area. This is also

the goal of building automation systems:

for this reason Carlo Gavazzi offers its

energy management products also the

Dupline ﬁ eld- and installation-bus as a

unique solution capable of transmitting

multiple digital and analog signals over

several km, via an ordinary 2-wire cable.

The new EM24-DIN Dupline version

transmits the energy values via the Dupline

system, without any additional module,

simply by connecting the ﬁ eld bus wires

to the EM24-DIN terminals. The WM22 or

EM4 can be used to transmit via Dupline

the consumptions of loads up to 100 A per

phase directly connected to their inputs.

However it is a completely different

situation when dealing with old buildings

which are completely lacking in building

automation or in monitoring systems. In

this case the best and cheapest solution

is retroﬁ tting the various switch gears

with the implementation of an energy

measuring system, speciﬁ cally developed,

such as the EM21 “Retroﬁ t”. By using this

energy meter, it is possible to obtain the

current measurement simply by installing

the included split-core current transformers

onto the wires, without disconnecting them

or switching off the mains. The meter can

be mounted in any type of panel frames,

being extremely compact and suitable

both for panel mounting (72x72mm)

and for DIN-rail mounting (only 4-DIN

modules). This is possible by means of the

patented detachable display, utilising the

transponder technology.

The EM21-72R is also easy to install thanks

to the wrong phase-sequence warning

and the short programming procedure.

Residential buildings

MID energy

meters

Energy

meters

Energy

analysers

Power

quality

analysers

Current

transformers

Timers

Dupline

controler

EM10/11

EM23

EM33

EM2172R EM24 DUPLINE

EM26

WM22 DUPLINE

WM30

WM40

CTD/TADK

MI/MP

DAA52

FAA/FMB

G3800XX

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