World Patents Pending ©AirSense Technology Ltd. 1999
ISSUE 2.4
Page 45
TECHNICAL. MANUAL
When the detector is in remote monitor mode it is possible to send program commands
to set function values and isolate, reset or test the detector.
API programming strings consist of one or more commands terminated with a carriage
return (CR). Multiple commands can be sent, terminated with a CR character (0x0d)
to indicate the end of the programming string. Each CR terminated packet must be
separated by at least 630mS to allow internal processing and the maximum string
length is 30 characters. Exceeding these limits will result in strings being lost or ignored.
In addition the time between the first character and the terminating CR must be less
than 33 mS.
Sending the following command strings will perform RESET, TEST and ISOLATE.
Command strings are always preceded by ‘>C’ (0x3e 0x43) characters which are not
shown in the table.
Remote monitor
programming API
action command
RESET selected detector 0x02
TEST selected detector 0x80
ISOLATE selected detector 0x04
RESET detector d 0x53 0x7f + d (uppercase S character)
TEST detector d 0x54 0x7f + d (uppercase T character)
ISOLATE detector d 0x49 0x7f + d (uppercase I character)
exit mode 0x58 (uppercase X character)
reset all detectors 0x52 (uppercase R character)
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