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maximum follower smoothness is important and minor phase delays can be accommodated. A detailed
discussion of Master Position Prediction is given in the Following chapter of the Programmer's Guide.
Example:
FPPEN1
; Enable Master Position Prediction.
[ FS ]
Following Status
Type
Following; Assignment or Comparison
Syntax
See below
Units
n/a
Range
n/a
Default
n/a
Response
n/a
See Also
FGADV, FMAXA, FMAXV, FMCLEN, FMCP, FOLEN, FOLMAS, FPPEN, FSHFC,
FSHFD, MC, [ NMCY ], [ PMAS ], TFS, TFSF, VARB
The
command is used to assign the Following status bits to a binary variable, or to make a comparison
FS
against a binary or hexadecimal value. The function of each status bit is shown below.
Bit Assignment
(left to right)
Function (YES = 1; NO = Ø)
1
Follower in Ratio Move
2
Ratio is Negative
3
Follower Ratio Changing
4
Follower At Ratio
* 5
FOLMAS Active
* 6
FOLEN Active
* 7
Master is Moving
8
Master Dir Neg
9
OK to Shift
10
Shifting now
11
Shift is Continuous
12
Shift Dir is Neg
13
Master Cyc Trig Pend
14
Mas Cyc Len Given
15
Master Cyc Pos Neg
16
Master Cyc Num > 0
17
Mas Pos Prediction On
18
Master Filtering On
19
RESERVED
20
RESERVED
A Following move is in progress
The current ratio is negative (i.e., the follower counts are counting in the
opposite direction from the master counts).
The follower is ramping from one ratio to another (including a ramp to or
from zero ratio).
The follower is at constant non-zero ratio.
A master is specified with the FOLMAS command.
Following has been enabled with the FOLEN command.
The specified master is currently in motion.
The current master direction is negative. (bit must be cleared to allow
Following move in preset mode–MCØ).
Conditions are valid to issue shift commands (FSHFD or FSHFC).
A shift move is in progress.
An FSHFC-based shift move is in progress.
The direction of the shift move in progress is negative.
A master cycle restart is pending the occurrence of the specified trigger.
A non-zero master cycle length has been specified with the FMCLEN
command.
The current master cycle position (PMAS) is negative. This could be
caused by a negative initial master cycle position (FMCP), or if the master
is moving in the negative direction.
The master position (PMAS) has exceeded the master cycle length
(FMCLEN) at least once, causing the master cycle number (NMCY) to
increment.
Master position prediction has been enabled (FPPEN).
A non-zero value for master position filtering (FFILT) is in effect.
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Product
GT6K
GV6K
.
(continued on next page)
Command Descriptions
Rev
6.0
6.0
139
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