Specifications

Applications Ver. 0002 AP - 15
AP.3 PARAMETER SET AND GEAR RATIOS
The Fagor Servo Drive System is configured by means of a parameter table.
Some of these parameters are arrays of eight elements, ordered with endings going from zero
up.
One of these arrays is, for example: SP1.0, SP1.1, SP1.2, ...... SP1.6 and SP1.7.
The parameters extended into "arrays" are organized in two groups called "Parameter set"
and "Gear Ratios". The illustration shows the organization of the table.
Terminology:
Parameter Set refers to the set of parameters of the Drive which determine the setup of
the drive and are grouped by the same ending.
For example, the Parameter set Zero consists of CP20.0, IP1.0, SP1.0 ··· SP10.0,
SP20.0, SP21.0, SP40.0, SP41.0, SP60.0 ··· SP65.0, SP80.0 and SP100.0.
Each parameter set may configure the same drive differently. This choice may be
made by just changing the Active Set.
The parameter setup for a "C" axis MUST BE made using the Parameter Set Seven.
Gear refers to the purely mechanical ratio regardless of how the parameters have been
set.
Gear 0 refers to "out of gear". No transmission (in neutral).
Gear 1 is the lowest gear with the greatest speed reduction.
Gear 2 and the rest will be higher gears.
Gear Ratio refers to the set of Drive parameters grouped by the same ending and that
informs the Drive of the motor-machine transmission (gear) ratio.
For example, Gear Ratio 2 consists of NP121.2, NP122.2 and NP123.2. The choice
can be made by just changing the Active Ratio.
They are numbered from Gear Ration 0 to 7.
The gear ratio parameters inform of the gear in operation according to:
Gear Ratio 0 Gear 1
Gear Ratio1 Gear 2
Gear Ratio2 Gear 3 etc...