ProSoft Technology AN-X-AMX User Manual
Page 27
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AN-X-AMXCAPT Page
23
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((CTL&0x0F)= CTL_UPDTOMAS) AND (drop = 2)
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Data Values, DataByte[ofs] and DataWord[ofs]
Offsets start from 0 and begin immediately after the three-byte frame header.
In the following frame, DataByte[0] is 12 hexadecimal (or 0x12), DataByte[1] is 34
hexadecimal (or 0x34), and so on.
4: a 0.004,958 g........ | 255< 05^ 55- 12 34 ff ff…
In the following frame, DataWord[0] is 1234 hexadecimal or 0x1234, DataWord[1] is
FFFF hexadecimal or 0xFFFF.
4: a 0.004,958 g........ | 255< 05^ 55- 1234 ffff
Parameters
If you have passed in one or more parameters, you can access them using CmdArg[0],
CmdArg[1], CmdArg[2], or CmdArg[3].
Example: The following equation, from the option file QTS_UpdFromDrop.opt, selects
frames that are updates to the master and that have a drop matching the value passed in as
the first parameter.
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((Ctl&0xf)=CTL_UPDTOMAS) &&
(Drop=CmdArg[0])
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See page 24 for information on how to pass in parameters.
GapTme
The gap time, GapTme, is the time in microseconds between the end of the previous
frame and the start of the current frame.
Example: The following equation selects frames with gap times greater than 10
milliseconds (10000 microseconds)
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GapTme > 10000
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Constants
Constants can be entered in the following formats: