Installation manual
CNC 8035
MACHINE PARAMETERS
Axis parameters
4.
(SOFT M: V15.3X)
(S
OFT T: V16.3X)
·123·
FFGAIN (P25)
Indicates the % of velocity command due to the programmed feedrate. The rest will depend upon
the following error. Both the proportional and derivative gains will be applied onto this following error.
The feed-forward gain improves the position loop minimizing the following error, but it should only
be used when working with acceleration/deceleration.
Usually, a value between 40% and 80% is assigned depending mainly on the type of machine and
its characteristics.
LOOPCHG (P26)
Indicates the sign of the velocity command. If correct, leave it as is, but to change it, select YES if
it was set to NO and viceversa.
MINANOUT (P27)
Indicates the minimum velocity command for the axis.
Possible values
Between 0 and 100.99 rpm (numbers with 2 decimals).
Default value: 0 (feed-forward gain not applied)
PROGAIN
·
DERGAIN
10 t
------------------------------------
FFGAIN Fprog MAXVOLT
100 G00FEED
-----------------------------------------------------------------------------------++
=
When having a CNC with a version V11.01 or later where FFGAIN or FFGAIN2 have
two decimals, when passing them to an older version, those parameters lose their
decimals.
Possible values
NO / YES.
Default value: NO
Possible values
It is given in D/A converter units and it admits integer values between 0 and 32767 which
corresponds to an analog command of 10V.
Default value: 0
MINANOUT Minimum velocity command
1
- - -
3277
- - -
32767
0.3 mV.
- - -
1 V.
- - -
10 V.
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