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Elektrotechnische Anlagen GmbH
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4.
External operating an signalling panel
When mounting the device inside a cabinet it is possible to mount a operator panel in the
door of the cabinet by using the external operating and signalling panel. The external oper-
ating and signalling panel contains the complete display (LED’s) of all running and failure
messages of the power feed/feedback unit and also the ON / RESET push button switch.
The connection to the power feed/feedback unit has to be done with a (shielded) flat cable
to the socket X4 of the control board (refer to figure 4.4.4.1).
Note!
The connection of the external operating and signalling panel to the power feed/feedback unit
has no influence on the operating and error messages of the LED’s placed on the control board.
In this case both displays are active on the same time. In case of simultaneous usage of the exter-
nal operating and signalling panel and the ON/OFF function via the control terminal X2 the
switch off signal always has priority, independent of the ON-RESTE push button switch.
Stop!
Don’t put an external voltage to the socket X4 of the control board or to the external operating
and signalling panel. This may damage the device.
5.
Option RHF-module
Like a standard controller the power feed/feedback unit takes the power from the mains via
an uncontrolled diode bridge. In comparison with a direct supplied motor one advantage is
the constant displacement power factor of nearly 1. The disadvantage is that the mains cur-
rent has got a significant harmonic component. With the option SKS-module for the power
feed/feedback unit sine wave mains currents (THD I =5-16% depending on controller and
load) are generated. This option cannot retrofit, it must be ordered together with the power
feed/feedback unit! For detailed information please get in contact with our technical de-
partment.
6.
Option PPB
The option PPB is required if a RHF-R is used to prevent a device defect at phase inter-
changing.
STOP