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9 Operation
WARNING
Explosion risk!
▶
Before starting any work, make sure that
there is not a potentially explosive atmos-
phere!
ATTENTION
The product can be destroyed!
▶
Before each commissioning, carry out an insulation test
of the station.
ATTENTION
The product can be destroyed!
▶
Make sure that the output voltage is not higher than the
input voltage on a permanent basis.
9.1 Commissioning
Before you start the commissioning work, the following re-
quirements must be fulfilled:
–
The maxGUARD station must be fully assembled and
wired.
–
The adjustable load monitors must be correctly configured.
–
The power supply must be connected.
–
The maxGUARD station must be connected to a control
unit if necessary.
▶
Switch on the power supply.
The electronic load monitors save their operation-
al state. After the power supply is switched back
on, the load monitor automatically switches to its
last operational state before powering down.
The electronic load monitors are switched off ex
works. When first commissioned, the load moni
-
tors must therefore be switched on individually.
▶
Switch on all load monitors individually by pressing the
respective reset button “R”.
9.2
Switching load monitors on/off
To avoid unexpected operational states, individu-
ally switched off load monitors ignore the reset
and ON/OFF signals on the internal signal line.
Individually switched off load monitors can only
be switched on individually.
Switching load monitors on/off individually
▶
While switched off, press the reset button “R” for 0.1 to 2
seconds.
The load monitor will switch to ready state and the LED will
illuminate green.
▶
While in ready state, press the reset button “R” for 0.1 to
2 seconds.
The load monitor will switch off and the LED will illuminate
red.
Manually switching a segment on/off
You can switch on/off all load monitors in a segment using
the reset button “R” on an AMG CM control module. All load
monitors in the segment must be connected to the control
module via the internal signal line.
▶
Press the reset button “R” on the control module for 0.1
to 2 seconds to couple the ON/OFF signal into the inter-
nal signal line.
All ready and tripped load monitors in the segment will
switch off and the LEDs will illuminate red.
Switching a segment on/off with a control unit
You can switch off all load monitors in a segment using the
ON/OFF signal of an AMG CM control module. All load moni
-
tors in the segment must be connected to the control mod-
ule via the internal signal line.
▶
To switch off all load monitors in the segment, set the
ON/OFF input of the control module to +24 V for longer
than 100 ms.
The ON/OFF LED on the control module will illuminate yel-
low. All load monitors will switch off. The LEDs on the load
monitors will illuminate red. The load monitors will remain
switched off by permanently setting the level to 24 V.
▶
To switch all load monitors in a segment back on, set the
ON/OFF input of the control module to 0 V.
The ON/OFF LED on the control module will switch off. All
load monitors will switch to ready state. The LEDs on the
load monitors will illuminate green.
53
Manual maxGUARD
2526740000/02/03.2018
9 Operation
| Commissioning