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SCLMAS
Master Scale Factor
Type
Following; Scaling
Syntax
<a_><!>SCLMAS<i>
Units
i = scaling factor
Range
i = 1 - 999999
Default
1
Response
SCLMAS
*SCLMAS1
See Also
FMCLEN, FMCP, FOLEN, FOLMD, FOLRD, FOLRN, GOWHEN, [ PCMS ],
[ PMAS ], SCALE, SCLD, TPMAS, TPCMS
NOTE: All scaling settings (SCALE, SCLA, SCLD, SCLV and SCLMAS)
are automatically saved in the Gem6K's battery-backed RAM.
The
command internally multiplies all Following master values by the specified scale factor value.
SCLMAS
Since the
units are in terms of counts/unit, all distances will thus be internally represented in counts.
SCLMAS
For instance, if your master scaling factor is 10000 (
(e.g.,
), the internal value will be 750,000 counts. (10000 x 75 =750,000)
FOLMD75
The
command will not take effect unless scaling is enabled (
NOTE:
SCLMAS
This command allows you to specify distances in any unit. For example, if you had a 4000 step/revolution
encoder as the master and wanted master units in terms of revolutions, then
As the master scaling factor (
number of positions to the right of the decimal point also change (see table below). A master parameter
value with greater resolution than allowed will be truncated (e.g., if scaling is set to
command would be truncated to
FOLMD1.9999
SCLMAS (counts/unit)
1 - 9
10 - 99
100 - 999
1000 - 9999
10000 - 99999
100000 - 999999
If you are specifying master distance values (FOLMD), when the master scaling factor
(SCLMAS) and the distance value are multiplied, a fraction of one count may possibly be
left over. This fraction is truncated when the distance value is used in the move
algorithm. This truncation error can accumulate when performing several moves over the
specified master distance. To eliminate this truncation problem, set the master scale
factor (SCLMAS) to 1, or a multiple of 10.
Example: (refer also to the FOLEN examples, and page 16)
The commands below are a subset of the set-up parameters for an application in which the axis is following
the Master encoder input at a 1-to-1 ratio.
SCALE1
; Enable parameter scaling
SCLA25000
; Set follower acceleration scale factor to 25000
SCLV25000
; Set follower velocity scale factor to 25000
SCLD25000
; Set follower distance scale factor to 25000
SCLMAS4000
; Set master scale factor to 4000
FOLMAS1
; Axis 1 using Master encoder input as master
FOLRN1
; Set follower-to-master Following ratio numerator to 1
; (scaled by SCLD)
FOLRD1
; Set follower-to-master Following ratio denominator to 1.
; This sets the ratio to 1:1 (scaled the SCLMAS).
; The actual ratio in counts = 25000 to 4000 = 6.25 follower
; axis counts per master count.
258
Gemini GV6K/GT6K Command Reference
SCLMAS10000
) changes, the resolution of all master parameter values and the
SCLMAS
FOLMD1.999
Master Resolution (units)
1
0.1
0.01
0.001
0.0001
0.00001
FRACTIONAL STEP TRUNCATION
www.comoso.com
Product
GT6K
GV6K
) and you enter a master parameter of 75
).
SCALE1
should be set to 4000.
SCLMAS
SCLD4000
).
Master Range (units)
0 - ±999,999,999
0.0 - ±99,999,999.9
0.00 - ±9,999,999.99
0.000 - ±999,999.999
0.0000 - ±99,999.9999
0.00000 - ±9999.99999
Rev
6.0
6.0
, the
Decimal Places
0
1
2
3
4
5
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