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18 RPT 301 User Manual
K177 Issue No. 3
Command: A,nnnnnn
Where: ‘nnnnnn’ is a number between 1 and 999999. This is
the period in seconds between successive
transmissions.
Reply: None
Result: A reading is transmitted every nnnnnn seconds.
The transmission format is the same as the reply of the
‘R’ command.
X - Auto Send from switch-on
The ‘A’ command is cancelled by any following commands and is not
restored at switch-on. If the pressure transducer continuously sends
readings and does so even after power failure, (this includes using the
‘shutdown’ facility) then the ‘X’ command can be used to select this
facility. This command allows a transmission period to be stored in
nonvolatile memory which will be automatically loaded and actioned as
if the ‘A’ command had been sent at switch-on.
Command: X,nnnnnn
Where: ‘nnnnnn’ is a number between 0 and 999999.
This is the transmission interval in seconds as for the
‘A’ command. A value of 0 disables the Auto send at
switch-on.
Reply: None
Result: Instrument powers up in auto-send mode with the
selected transmission interval.