20
Programming of M-Bus address
(optional)
■
Select of the display „Adr 000“ in
level 3 (same for the additional
inputs „Adr1“ to „Adr3“).
■
Press the button for about 2
seconds (until the door symbol
reappears) and then release. The
right digit starts flashing. With
one short push the value of the
digit is incremented.
■
With each long press, the selected
value will be taken over and
change to next digit (as soon as
desired character flashes, release
the button).
■
If the desired value is reached,
you have to press the button
until the number stops flashing
and the return to the menu is
completed. Now the new value is
programmed.
■
The programming process can be
repeated if necessary.
Note:
If the editor is not terminated,
maybe changed values are being
saved after the automatic return to
the main display.
Radio (optional)
General information
zelsius®-energy meters which have
an integrated radio interface with an
antenna are marked for better visibil-
ity on the upper cover with one of the
following symbols:
wM-Bus
®
colour connection
signification
white
I/O 1
In-/Output 1
yellow
I/O 2
In-/Output 2
green
I/O 3
In-/Output 3
brown
GND
common ground
for I/O 1-3
Technical data I/O
Load
max. 30V DC/ 20 mA
I/O 1, 2, 3
Open Drain, n-channel
FET
Cable
D = 3.8 mm, 4-wire
Pulse-duty
factor
1:1 (out); 1:5 (in)
Cable length
1.5 m
Input fre
-
quency
max. 1 Hz
M-Bus (optional)
The optional M-Bus interface com-
plies with standard EN 1434-3 and
operates with 2400 baud fixed. The
two conductors can be connected in
any order to the M-Bus network.
A firmly attached cable is included,
external wiring must be done by
oneself.
Technical data M-Bus
Cable length
1.5 m
Cable
D = 3.8 mm, 2-wire
colour
connection
signification
brown
M-Bus 1
M-Bus-cable 1
white
M-Bus 2
M-Bus-cable 2
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