GE AF-650 GP - Page 52

[19] Freeze ref Freezes the actual reference, which is now the point of enable/condition for Speed up and Speed down
to be used. If Speed up/down is used, the speed change always follows ramp 2 (par. E-10 Accel Time 2
and par. E-11 Decel Time 2) in the range 0 - par. F-53 Maximum Reference.
[20] Freeze output Freezes the actual motor frequency (Hz), which is now the point of enable/condition for Speed up and
Speed down to be used. If Speed up/down is used, the speed change always follows ramp 2 (par.
E-10 Accel Time 2 and par. E-11 Decel Time 2) in the range 0 - par. F-04 Base Frequency.
NB!
When Freeze output is active, the frequency converter cannot be stopped via a low ‘start [8]’ signal.
Stop the frequency converter via a terminal programmed for Coasting inverse [2] or Coast and reset,
inverse.
[21] Speed up Select Speed up and Speed down 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 accel/
decel parameters.
Shut down Catch up
Unchanged speed 0 0
Reduced by %-value 10
Increased by %-value 0 1
Reduced by %-value 11
[22] Speed down 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. K-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. H-83 Precise Stop Func-
tion.
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. F-62 Catch up/slow Down Value.
[29] Slow down Reduces reference value by percentage (relative) set in par. F-62 Catch up/slow Down Value.
[30] Counter input Precise stop function in par. H-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. H-84 Precise Stop Counter
Value.
[32] Pulse input Use pulse sequence as either reference or feedback. Scaling is done in par. group E-6#.
[34] Ramp bit 0 Enables a choice between one of the 4 ramps available, according to the table below.
[35] Ramp bit 1 Same as Ramp bit 0.
AF-650 GP Programming Guide
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