22 Chapter 4
SBTxnnn.nn (Series 5300)
SBTxnn.nnn (Series 5200)
Backwards compatible with Series 4000
/
4100 flow meters.
Sets the begin-trigger level for starting the data acquisition.
Denotes set begin-trigger.
Denotes trigger source: F = flow (Std. L/min), P =
pressure (kPa), L = low pressure (cmH
2
O).
First sign denotes positive or negative slope. Second
sign denotes positive or negative trigger level.
+ = positive, - = negative.
Set trigger level (“001.00” would denote 1.00 Std. L/min,
leading and trailing zeroes must be included). Negative
trigger levels can be set (“±001.00” would denote
-1.00 Std. L/min with positive slope).
The set trigger level stays in effect until cleared using the CBT
command. The trigger level is also cleared when the flow meter is
turned off or the DEFAULT command is initiated.
After the command is processed, an acknowledge sequence of “OK”
<CR><LF> is sent. If the command generated an error, instead of
“OK” <CR><LF> being sent an error code of “ERRn” <CR><LF> will
be sent. See Appendix A for a list of possible error codes.
Example 1) SBTF++002.00
Sets a begin-trigger level of 2.00 Std. L/min with positive slope.
Example 2) SBTP-+110.00
Sets a begin-trigger level of 110.0 kPa with negative slope.
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