Mounting and installation
nBox, Installation instructions 1.0 | 02.2021 | en
23
Assigning output circuits to the terminals, nBox OCM ELP modules and status indicators/test keys
Figure 8: Minimum distances when installing the nBox
·
For each
nBox OCM ELP
module, 2 output circuits can be
connected.
·
The assignment of the terminals to the
nBox OCM ELP
modules and status indicators/test keys is fixed and
shown in the image on the left.
4.6
Connecting a central phase monitor
Terminals
S1+
and
S1-
are bridged upon delivery by a 1 kohm resistor and form a current loop. When the current
loop is opened, the
nBox
system switches to partial emergency operation and all emergency luminaires are
switched on.
An external phase monitor can be integrated in this current loop, which then opens this loop if a phase failure
occurs. More than one external phase monitor can be connected in series.
i
Note
When connecting the central phase monitor, the following technical data must be observed:
Line length
Max. 500 m (max. 50 Ω
line resistance)
Terminating resistor
1,000 Ω (connection in
series)
Conductor cross-section
0.75 – 2.5 mm²
Voltage
15 V
Current
0–10 mA
Содержание 22171150
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