Zenner MULTIDATA WR3 Manual do Utilizador descarregar pdf (Página 5)

If water meters with a potential free reed contact

are connected to the inputs the connection can

be made in any direction.

Take care of the polarity when connecting to a

BMS.

The connectors are given twice for the incoming

and outgoing of the M-bus wire.

Height: H = 106 mm

Width: B = 126 mm

Depth: T = 54 mm

Communication

At calculators with two pulse outputs typically the

rst output (I/O1) gives the energy and the sec-

ond (I/O2) the volume information.

The pulse value is permanently set and corre-

sponds to the last position of the associated dis-

play value.

Example:

Output 1 = energy output

Energy display = XXXXX.XX MWh

Last position = 0.01 MWh = 10 kWh

Output pulse = 10 KWh

The calculator can be ordered with two inputs op-

tionally. The pulse value can be called up in the

display (see the display overview, Level 1).

M-Bus (optional)

The optional M-Bus interface complies with the

norm EN 1434-3 and operates with 2400 baud

xed. It can be set to 300/9600 baud if neces-

sary.

The display resolution shall be selected such that

the display can not run over within a period of

one year.

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Zenner MULTIDATA WR3 Manual do Utilizador Página 5