Parker Automation Gemini GV6K Command Reference Manual page 133

Servo drive/controller
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FMCP
Initial Master Cycle Position
Type
Following
Syntax
<a_><!>FMCP<r>
Units
r = master position in scalable steps
Range
r = ±999,999,999 (scalable with SCLMAS)
Default
0
Response
FMCP
*FMCP+0
See Also
FMCNEW, FOLMAS, [ FS ], GOWHEN, SCLMAS, TFS, WAIT
The
command defines the initial master cycle position in user units. The initial master cycle position
FMCP
is assigned as the current master cycle position each time master cycle counting is restarted with the
or
command. This value is scaled by the
FMCNEW
TRGFNcx1
can be used with this command. The default value for
cycle position will be zero when master cycle counting is restarted (see
The concept of an initial master cycle position may be useful if new master cycle position counting must be
restarted at a master position which is different from what needs to be considered the "zero position" of a
periodic cycle. The initial position defined with
complete, the master cycle position rolls over to zero. A negative value would be used if some master travel
were desired before master cycle position was zero. A positive value would be used if it was necessary to
enter the first master cycle at a position greater than zero.
For example, suppose
FMCLEN
restarted, either via
FMCNEW1
Rollover will occur after the master travels 13 more units, and the master cycle position would go to zero.
Example:
FMCP-2
; Set the initial master cycle position to -2
FOLEN
Following Mode Enable
Type
Following
Syntax
<a_><!>FOLEN<b>
Units
n/a
Range
b = 0 (disable) or 1 (enable)
Default
0
Response
FOLEN:
*FOLEN0
See Also
FGADV, FOLK, FOLMAS, FOLRD, FOLRN, FOLRNF, [ FS ], FSHFC,
FSHFD, GOWHEN, JOG, JOY, TFS
The
command indicates whether subsequent moves on the specified axes will be following a master
FOLEN
(
) or normal time-based moves (
FOLEN1
given, and that the motion of the follower is dependent on the motion of the master at all times. If
is given, the motion of the master is still monitored, but the motion of the follower is independent of the
master.
To move in the Following mode, the master must be previously specified with the
Enabling the Following mode (
to zero. This is true even if the follower is already in Following mode.
S-Curve profiling is not operational during Following moves.
The
command may not be executed during certain conditions (results in the error
FOLEN
message
"NOT VALID DURING RAMP"
• You may not enable Following (
condition, or operating in the Joystick mode (
GOWHEN
• You may not disable Following (
ratio in continuous mode,
FMCP
applies to the first cycle only. When a master cycle is
FMCP
was set to 20 and
was set to 7. When master cycle position counting is
FMCP
or the specified trigger (
TRGFNcx1
). The term Following mode means that
FOLEN0
) will set the net position shift value (reported by
FOLEN1
RESTRICTIONS ON USING
).
) on an axis that is in motion, waiting for a
FOLEN1
) on an axis that is in motion (unless moving at
FOLEN0
, and not shifting) or waiting for a
MC1
www.comoso.com
parameter. Numeric variables (
SCLMAS
is zero (
), which means that the master
FMCPØ
).
FMCNEW
), the initial master cycle position will be 7.
FOLEN1
FOLMAS
FOLEN
) or Jog mode (
).
JOY1
JOG1
condition.
GOWHEN
Command Descriptions
Product
Rev
GT6K
6.0
GV6K
6.0
)
VAR
Product
Rev
GT6K
6.0
GV6K
6.0
has been
FOLEN0
command.
and
)
TPSHF
PSHF
131

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