Danfoss AHF 010 Design Manual page 43

Programming
[9] Latched If a pulse is applied for minimum 2 ms, the
start motor starts. The motor stops when stop
inverse is activated, or a reset command (via
DI) is given.
[10] Reversing (Default digital input 19). Change the direction
of motor shaft rotation. Select logic 1 to
reverse. The reversing signal only changes the
direction of rotation. It does not activate the
start function. Select both directions in
parameter 4-10 Motor Speed Direction. The
function is not active in process closed loop.
[11] Start Used for start/stop and for reversing on the
reversing same wire. Signals on start are not allowed at
the same time.
[12] Enable Disengages the counterclockwise movement
start and allows clockwise direction.
forward
[13] Enable Disengages the clockwise movement and
start allows counterclockwise direction.
reverse
[14] Jog (Default digital input 29): Activate jog speed.
See parameter 3-11 Jog Speed [Hz].
[15] Preset Shifts between external reference and preset
reference reference. It is assumed that [1] External/preset
on has been selected in parameter 3-04 Reference
Function. Logic 0 = external reference active;
logic 1 = 1 of the 8 preset references is active.
[16] Preset ref Preset reference bit 0, 1, and 2 enable a choice
bit 0 between 1 of the 8 preset references according
to Table 6.3.
[17] Preset ref Same as [16] Preset ref bit 0.
bit 1
[18] Preset ref Same as [16] Preset ref bit 0.
bit 2
Preset ref. bit
Preset ref. 0
Preset ref. 1
Preset ref. 2
Preset ref. 3
Preset ref. 4
Preset ref. 5
Preset ref. 6
Preset ref. 7
Table 6.3 Preset Reference Bit
[19] Freeze Freezes the actual reference, which is now the
ref point of enable/condition to be used for [21] Speed
up and [22] Speed down. If speed up/speed down
is used, the speed change always follows ramp 2
(parameter 3-51 Ramp 2 Ramp Up Time and
parameter 3-52 Ramp 2 Ramp Down Time) in the
range 0–parameter 3-03 Maximum Reference.
[20] Freeze Freezes the actual motor frequency (Hz), which is
output now the point of enable/condition to be used for
[21] Speed up and [22] Speed down. If speed up/
MG80C602
Design Guide
2 1 0
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
Danfoss A/S © 05/2019 All rights reserved.
speed down is used, the speed change always
follows ramp 2 (parameter 3-51 Ramp 2 Ramp Up
Time and parameter 3-52 Ramp 2 Ramp Down Time)
in the range 0–parameter 1-23 Motor Frequency.
NOTICE
When freeze output is active, the frequency
converter cannot be stopped via a low [8]
Start signal. Stop the frequency converter
via a terminal programmed for [2] Coasting
inverse or [3] Coast and reset inverse.
[21] Speed Select [21] Speed up and [22] Speed down for digital
up control of the up/down speed (motor potenti-
ometer). Activate this function by selecting either
[19] Freeze ref or [20] Freeze output. When speed
up/speed down is activated for less than 400 ms,
the resulting reference is increased/decreased by
0.1%. If speed up/speed down is activated for
more than 400 ms, the resulting reference follows
the setting in ramping up/down parameters 3-
x1/3-x2.
Unchanged speed
Reduced by %-value
Increased by %-value
Reduced by %-value
Table 6.4 Shut Down/Catch Up
[22] Speed Same as [21] Speed up.
down
[23] Set-up Select [23] Set-up select bit 0 or select [24] Set-up
select bit select bit 1 to select 1 of the 4 set-ups. Set
0 parameter 0-10 Active Set-up to Multi Set-up.
[24] Set-up (Default digital input 32): Same as [23] Set-up
select bit select bit 0.
1
[26] Precise Sends an inverted stop signal when the precise
stop inv. stop function is activated in
parameter 1-83 Precise Stop Function.
Precise stop inverse function is available for
terminals 18 or 19.
[27] Precise Use when [0] Precise ramp stop is selected in
start, stop parameter 1-83 Precise Stop Function.
Precise start, stop is available for terminals 18
and 19.
Precise start ensures that the rotor turning
angle from standing still to reference is the
same for each start (for same ramp time, same
setpoint). This function is the equivalent to the
precise stop where the rotor turning angle from
reference to standing still is the same for each
stop.
When using parameter 1-83 Precise Stop Function
option [1] Cnt stop with reset or [2] Cnt stop w/o
reset:
Shut down Catch up
0 0
1 0
0 1
1 1
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