[Hand On]
enables control of the adjustable frequency drive via the GLCP. [Hand on] also starts the motor, and makes it possible to give the motor speed reference
using the arrow keys. The key can be
Enabled
[1] or
Disabled
[0] via par.
0-40 [Hand on] Key on LCP.
The following control signals will still be active when [Hand on] is activated:
• [Hand on] - [Off] - [Auto on]
• Reset
• Coasting stop inverse (motor coasting to stop)
• Reversing
• Set-up select lsb - Set-up select msb
• Stop command from serial communication
•Quick stop
•DC brake
NOTE!
External stop signals activated by using control signals or a serial bus will override a “start” command via the LCP.
[Off]
stops the connected motor. The key can be
Enabled
[1] or
Disabled
[0] via par.
0-41 [Off] key on LCP.
If no external stop function is selected and the
[Off] key is inactive, the motor can only be stopped by disconnecting the line power supply.
[Auto On]
enables the adjustable frequency drive to be controlled via the control terminals and/or serial communication. When a start signal is applied to the control
terminals and/or the bus, the adjustable frequency drive will start. The key can be
Enabled
[1] or
Disabled
[0] via par.
0-42 [Auto on] key on LCP.
NOTE!
An active HAND-OFF-AUTO signal via the digital inputs has higher priority than the control keys [Hand on] – [Auto on].
[Reset]
is used for resetting the adjustable frequency drive after an alarm (trip). The key can be
Enabled
[1] or
Disabled
[0] via par. 0-43
Reset Keys on LCP
.
The parameter shortcut
can be carried out by holding down the [Main Menu] key for 3 seconds. The parameter shortcut allows direct access to any parameter.
4 How to operate the adjustable frequency
drive
VLT AQUA High Power Instruction Manual
4-6
MG.20.P3.22 - VLT
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is a registered Danfoss trademark
4