Diehl IZAR CENTER 250 Instructions D'utilisation page 15

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USB
ƒ
Use the supplied USB cable (maximum cable length
3 m).
(Connection example see fig. II.)
8. Display elements
Five LEDs on the front side of the IZAR CENTER show the
corresponding operational conditions.
M-Bus
Display Operational condition
green 0 ... 100 % bus load
yellow 100 ... 130 % bus load (warning)
The maximum M-Bus performance is
achieved. Do not connect further M-Bus
meters. The IZAR CENTER is fully opera-
tional in this condition.
red Overload
In this case, too many M-Bus meter are
connected or the bus wires have a short-cir-
cuit.
If there is a bus overload, the M-Bus volt-
age is switched off for 2 seconds. Then the
bus supply is checked and is also switched
off if required.
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IZAR CENTER
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