Danfoss VLT AutomationDrive FC 300 Instruction Manual

[19] Freeze ref Freezes the actual reference, which is now the point of enable/condition for Speed up and Slow to
be used. If Speed up/down is used, the speed change always follows ramp 2 (par. 3-51
Ramp 2
Ramp-up Time
and par. 3-52 Ramp 2 Ramp-down Time ) in the range 0 - par. 3-03 Maximum Ref-
erence
.
[20] Freeze output Freezes the actual motor frequency (Hz), which is now the point of enable/condition for Speed up
and Slow to be used. If Speed up/down is used, the speed change always follows ramp 2
(par. 3-51
Ramp 2 Ramp-up Time and par. 3-52 Ramp 2 Ramp-down Time ) in the range 0 -
par. 1-23
Motor Frequency .
NOTE!
When freeze output is active, the adjustable frequency drive cannot be stopped
via a low ‘start [8]’ signal. Stop the adjustable frequency drive via a terminal
programmed for Coast inverse [2] or Coast and reset inv.
[21] Speed up Select Speed up and Slow if digital control of the up/down speed is desired (motor potentiometer).
Activate this function by selecting either Freeze reference or Freeze output. When Speed up/down
is activated for less than 400 msec, the resulting reference will be increased/decreased by 0.1%. If
Speed up/down is activated for more than 400 msec, the resulting reference will follow the setting
in ramping up/down parameter 3-x1/ 3-x2.
Shut down Catch up
Unchanged speed 0 0
Reduced by %-value 10
Increased by %-value 0 1
Reduced by %-value 11
[22] Slow Same as Speed up [21].
[23] Set-up select bit 0 Select Set-up select bit 0 or Select Set-up select bit 1 to select one of the four set-ups. Set
par. 0-10
Active Set-up to Multi Set-up.
[24] Set-up select bit 1 (Default Digital input 32): Same as Set-up select bit 0 [23].
[26] Precise stop inv. Prolongs stop signal to give a precise stop independent of speed.
Sends an inverted stop signal when the precise stop function is activated in par. 1-83
Precise Stop
Function
.
Precise stop inverse function is available for terminals 18 or 19.
[27] Precise start, stop Use when Precise ramp stop [0] is selected in par 1-83.
[28] Catch up Increases reference value by percentage (relative) set in par. 3-12 Catch up/slow-down Value .
[29] Slow-down Reduces reference value by percentage (relative) set in par. 3-12
Catch up/slow-down Value .
[30] Counter input Precise stop function in par. 1-83
Precise Stop Function acts as counter stop or speed compensated
counter stop with or without reset. The counter value must be set in par. 1-84
Precise Stop Counter
Value
.
4 How to Program
VLT
®
AutomationDrive FC 300 Instruction
Manual
4-20 MG.33.AG.22 - VLT
®
is a registered Danfoss trademark
4

Danfoss VLT AutomationDrive FC 300 Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 300
Category	DC Drives
Language	English