76 Electrical installation
Setting the voltage range of the auxiliary control voltage
transformer (T21)
Connect the power supply wires of the auxiliary control voltage transformer according to
the power network voltage.
Connecting a PC
A PC (with eg. the Drive composer PC tool) can be connected to the drive as follows:
1. Connect an ACS-AP-S control panel to the drive either by using an Ethernet (eg.
CAT5E) networking cable, or by inserting the panel into the panel holder.
WARNING! Do not connect the PC directly to the control panel connector of the
control unit as this can cause damage.
2. Lift the USB connector cover on the control panel from bottom upwards.
3. Connect an USB cable (Type A to Type Mini-B) between the USB connector on the
control panel (3a) and a free USB port on the PC (3b).
4. The panel displays an indication whenever the connection is active
Note 1: When a PC is connected to the control panel, the control panel keypad is disabled.
In this case, the control panel acts as a USB-RS485 adapter.
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Start
Stop
Loc/Rem
USB connected