[Hand On]
enables control of the adjustable frequency drive via the GLCP. [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 Enable [1] or Disable [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
•
Reversing
•
Set-up select lsb - Set-up select msb
•
Stop command from serial communication
•
Quick stop
•
DC brake
NOTE!
External stop signals activated by means of control signals or a serial bus will override a “start” command via the LCP.
[Off]
stops the connected motor. The key can be selected as Enable [1] or Disable [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 on the control
terminals and/or the bus, the adjustable frequency drive will start. The key can be selected as Enable [1] or Disable [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
Enable
[1] or
Disable
[0] via par. 0-43
[Reset] Key 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.
6 How to Operate the Adjustable Frequency
Drive
VLT
®
HVAC Drive Instruction Manual
6-6
MG.11.AB.22 - VLT
®
is a registered Danfoss trademark
6
