Danfoss FC 300 Design Manual page 138

FC 300 Design Guide
Navigation Keys
The four navigation arrows are used to navigate between the different choices available in
Menus], [Main Menu]
[OK] is used for choosing a parameter marked by the cursor and for enabling the change of a parameter.
Local Control Keys for local control are found
at the bottom of the control panel.
[Hand on] enables control of the adjustable frequency drive via the LCP. [Hand on] also starts the
motor, and it is now possible to enter the motor speed data by means of the arrow keys. The key can
be selected as Enabled [1] or Disabled [0] via par. 0-40 [Hand on] key on LCP.
External stop signals activated by means of control signals or a serial bus will over-
ride a "start" command via the LCP.
The following control signals will still be active when [Hand on] is activated:
[Hand on] - [Off] - [Auto on]
•
Reset
•
• Coasting stop inverse
Reverse
•
Set-up select lsb - Set-up select msb
•
Stop command from serial communication
•
• Quick stop
DC brake
•
[Off] stops the connected motor. The key can be selected as 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 be stopped by disconnecting the voltage.
[Auto on] enables the adjustable frequency drive to be controlled via the control terminals
and/or serial communication. When a start signal is applied on the control terminals and/or
the bus, the adjustable frequency drive will start. The key can be selected as 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). It can be
selected as Enabled [1] or Disabled [0] via par. 0-43 Reset Keys on LCP.
The parameter shortcut
The parameter shortcut allows direct access to any parameter.
138
How to Program
and [Alarm log]. Use the keys to move the cursor.
can be carried out by holding down the [Main Menu] key for 3 seconds.
MG.33.B6.22 - VLT is a registered Danfoss trademark
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