CDHD Variables and Commands
VarCom Reference Manual 345
RECTRIG
Definition Trigger Recording
Type Command
Description Triggers the recorder. RECORD must be set up before a
RECTRIG command is issued.
The recording mechanism tracks the value of a system
variable and starts the recording as soon as the value goes
higher or lower than the specified value. The recorder can
also record a specified number of points before the trigger
condition occurs.
Known Limitation: If a trigger occurs before the pre-trigger
buffer has been filled, the beginning of the recording will
have garbage data.
Syntax RECTRIG var level pre-trig {above|under}
var = Name of a recordable system variable that
appears in RECTRIGLIST. System variables must be
preceded by a quotation mark (").
level = Threshold value for the trigger
pre-trig = number of points to be recorded prior to
trigger
above|under = defines whether trigger occurs when
value is above or below the threshold
RECTRIG “IMM = starts the recording immediately
RECTRIG “CMD = starts the recording as soon as the next
command is sent to the drive.
Firmware 1.0.6
Drive status Enabled | Disabled
Range Not Applicable
Default value Not Applicable
Unit Not Applicable
Non-volatile No
See also GET
RECDONE
RECING
RECOFF
RECORD
RECRDY
RECTRIGLIST
Activation commands
RECORD defines the variables to be recorded and the
recording time span and sample time.
RECTRIG defines the triggering condition for starting a
recording, and also pre-trigger duration.
RECOFF turns active recording off.
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