Schrack Technik CX plus Series FRACXP06R-, Руководство пользователя

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Automatic initialisation
! CAUTION
The phase correction angle must be set depending on the connection of measuring voltage and
current, so that the measurement of the active and reactive power, the COS-PHI, the power factor
and the automatic recognition of the stage sizes works perfectly. This is a condition for a perfect
functioning of the control.
The automatic initialisation can identify the connection of the controller and automatically sets the phase
correction angle after a successful completion. The automatic initialisation also identifies, whether or
not stages are connected at the switching outputs. Not occupied switching outputs are set to the stage
type
“
FOFF
”.
NOTE:
The “Automatic initialisation” does not perform an identification of the stage sizes. The
recognition of the stage sizes only takes place via the control in normal control operation (see chapter
“Recognition / manual entry of stage sizes”).
The phase correction angle can also be set manually in the SETUP menu 206. The stage types of the
not occupied switching outputs can be set to
“
FOFF
” manually in the SETUP menu 100/OUt or 403.
NOTE: We recommend checking the stage types of the switching outputs after the successful
completi
on of the “Automatic initialisation” with regard to whether all connected stages are still set to
the stage type
“AUTO”.
It may happen that the AI did not identify occupied switching outputs correctly and set these to the stage
type
“
FOFF
”.
P
ROCEDURE OF THE AUTOMATIC INITIALISATION
If the automatic initialisation was activated in the SETUP menu 100/AI or 207 by setting the setting to
“
YES
”, the AI will start as soon as the voltage is in the valid range, the measuring current is
greater
than 5 mA . The AI switches on the first stage, when the discharge time of the stages and the set
switching time have run out.
Ai
is shown on the display in the top line.
NOTE: The setting remains set to
“YES” in the setup menu 100/AI resp. 207 for as long as the automatic
initialisation has not yet started. As soon as the AI is started, this setting is automatically set back to
“NO”.
The AI respectively switches on and off again the individual stages one by one. The next cycle of the
AI does not start with switching on the first stage until the set discharge time and switching time have
run out. The AI performs
a maximum of 4 cycles . In the process, the occupied and not occupied
switching outputs are identified and the phase correction angle to be set is determined.
NOTE: Stages with the stage type
“FON” and “Flty” are ignored by the AI. If the control switched on
stages before the start of the AI, these will be switched off one by one first, before the AI may begin.
If the measured power change was too small during a cycle, the AI will switch on all stages one by one
first in the next cycle and then off again one by one.
NOTE: The duration of the automatic initialisation depends on the number of cycles, the maximum
number of switching outputs, the set switching time (default setting: 10 s) and the discharge time (default
setting 75 s) of the stages. The greater the set switching time and discharge time, the longer does the
AI take. Therefore, the AI may take several minutes (switching time = 10 s, discharge time = 75 s, 4
cycles

approx. 7 min).
If the automatic initialisation was successful after a maximum of 4 cycles , the determined phase
correction angle is set automatically and not occupied stage outputs are set to the stage type
“
FOFF
”.
The notification AUTO appears on the display and the control starts switching stages on and off in the
cycle of the set switching time after the set discharge time has run out in order to reach the control
target.