30 Program features
Local control
The control commands are given from the control panel keypad or from a PC
equipped with Drive composer when the drive is in local control. Speed control mode
is available in vector motor control mode and frequency mode is available when
scalar motor control mode is used.
Local control is mainly used during commissioning and maintenance. The control
panel always overrides the external control signal sources when used in local control.
External control
External (remote) control mode is the default selection. In external control mode, by
default, the speed references are provided by MPPT functionality. To configure the
speed references manually, you need to disable the MPPT reference. See, parameter
79.40 MPPT reference. For more information on MPPT, see MPPT functionality on
page 34.
Control panel or Drive composer
PC tool (optional)
Fieldbus adapter (Fxxx)
MOTOR
PLC
(= Programmable
logic controller)
I/O
Embedded fieldbus
interface
External control
Local control
Drive
M
3~
ACQ80 FW.book Page 30 Thursday, February 14, 2019 11:33 AM
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