Operating Instructions ACU
8.8 Controlling the Motor via the Control Unit
The operating unit enables control of the connected motor in accordance with the selected operating
mode of the parameter Local/Remote 412.
In order to be able to control the drive via the control unit, the digital inputs
S1IND/STOA (STOA/terminal X210A.3) and S7IND/STOB (STOB/terminal X210B.2)
must be connected for enabling the output. These are the inputs for the shut-down
paths of the ST= safety function “Safe Torque Off”.
The unit may only be connected with the power supply switched off.
Verify safe isolation from power supply.
Switch off power supply before connecting or disconnecting the control inputs and
outputs. Otherwise, components may be damaged.
: When the RUN key was pressed, the drive was in operation already.
The CTRL menu branch can be accessed via the navigation within the menu
structure. The CtrL function contains sub-functions which are displayed
according to the operating point of the frequency inverter.
Pressing the RUN key leads to a direct change from anywhere within the menu
structure to the motorpoti function PotF for clockwise rotation or Potr for
anticlockwise rotation.
If the drive is already running, the display reads intF (forward, clockwise) / intr
(backward, anticlockwise) for the internal reference value function or inPF
(forward, clockwise) / inPr (backward, anticlockwise) for the
“Motorpoti (KP)” function.
The function „Motorpoti (KP)“ enables linking to other reference sources in the
reference frequency channel. The function is described in Chapter
15.10.2 "Motorpoti (KP)".
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