0-72 Time Format
Option: Function:
Sets the time format to be used in the LCP.
[0] * 24 h
[1] 12 h
0-74 DST/Summertime
Option: Function:
Choose how Daylight Saving Time/Summertime should be handled. For manual DST/Summertime
enter the start date and end date in par. 0-76
DST/Summertime Start
and par. 0-77
DST/Summer-
time End
.
[0] * OFF
[2] Manual
0-76 DST/Summertime Start
Range: Function:
Application
dependent*
[Application dependant]
0-77 DST/Summertime End
Range: Function:
Application
dependent*
[Application dependant]
5.2.3 General Settings, 1-0*
Define whether the adjustable frequency drive operates in open-loop or closed-loop.
1-00 Configuration Mode
Option: Function:
[0] * Open-loop Motor speed is determined by applying a speed reference or by setting desired speed when in hand
mode.
Open-loop is also used if the adjustable frequency drive is part of a closed-loop control system based
on an external PID controller providing a speed reference signal as output.
[3] Closed-loop Motor speed will be determined by a reference from the built-in PID controller varying the motor
speed as part of a closed-loop control process (e.g., constant pressure or flow). The PID controller
must be configured in par. 20-** or via the function set-ups accessed by pressing the [Quick Menu]
button.
NOTE!
This parameter cannot be changed when the motor is running.
NOTE!
When set for closed-loop, the commands reversing and start reversing will not reverse the direction of the motor.
5 How to program the adjustable frequency
drive
VLT AQUA High Power Instruction Manual
5-14
MG.20.P3.22 - VLT
®
is a registered Danfoss trademark
5
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