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Gemini GV6K/GT6K Command Reference
TFB
Transfer Position of Selected Feedback Device
Type
Transfer
Syntax
<a_><!>TFB
Units
Response is position of the selected feedback device
Range
n/a
Default
n/a
Response
TFB *TFB+0
See Also
[ FB ], [ PE ], PSET, SCALE, SCLD, SFB, TPCE, TPE
Product Rev
GT6K n/a
GV6K 6.0
(applicable only to
servo axes)
Use the
TFB
command to return the value of the feedback source selected with the
SFB
command. If you do
not change the default
SFB
selection, the response will indicate the encoder position.
If scaling is
not
enabled, the position values returned will be counts. If scaling is enabled (
SCALE1
), the
values will be scaled by the
SCLD
value.
If you issue a
PSET
command, the feedback device position value will be offset by the
PSET
command
value.
Example:
SFB1
; Select encoder feedback
TFB
; Report encoder's position.
; Sample response is *TFB2.436
TFS
Transfer Following Status
Type
Following; Transfer
Syntax
<a_><!>TFS
Units
n/a
Range
n/a
Default
n/a
Response
TFS *TFS0000_0000_0000_0000_0000_0000_0000_0000
bit
1
bit
32
See Also
FGADV, FMAXA, FMAXV, FMCLEN, FMCP, FOLEN, FOLMAS, FPPEN,
[ FS ], FSHFC, FSHFD, MC, [ NMCY ], [ PMAS ], TFSF
Product Rev
GT6K 6.0
GV6K 6.0
The
TFS
command returns the current Following status. The response for
TFS
is as follows
:
FULL-TEXT STATUS REPORT AVAILABLE
The
TFS
status command reports a binary bit report. If you would like to see a more
descriptive text-based report, use the
TFSF
command description.
Bit Assignment
(left to right)
Function
(YES =
1
; NO =
Ø
)
1
Follower in Ratio Move
A Following move is in progress.
2
Ratio is Negative
The current ratio is negative (i.e., the follower counts are counting in the
opposite direction from the master counts).
3
Follower Ratio Changing
The follower is ramping from one ratio to another (including a ramp to or
from zero ratio).
4
Follower At Ratio
The follower is at constant non-zero ratio.
Bits 1-4 indicate the status of Following motion. They mimic the meaning and
organization of Axis Status (
TAS
&
AS
) bits 1-4, except that each bit indicates the
current state of the ratio, rather than the current state of the velocity.
* 5
FOLMAS
Active
A master is specified with the
FOLMAS
command.
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