Lighthouse REMOTE Liquid Particle Counter (MODBUS Output) Operating Manual
7-4
248083227-1 Rev 8
Then write the command
13
to the command register 40002. This will
write the values in the Data Set registers (40035 and 40036) to the RTC
registers (40027 and 40028).
The Real Time Clock can also be set in the ASCII programming mode
without having to calculate the number of seconds from 1/1/1970.
Please see “Example: Setting Date and Time” on page 5-7 for more
information.
Changing the Default Instrument Parameters
The main instrument parameters involved with the operation of the
REMOTE counter are Location, Sample Time, and Hold Time. See
Table 7-4.
The Location is set by writing an unsigned integer to register 40026.
The range of values is from 0 to 999.
Sample Time and Hold Time both use 2 registers, a high word and a
low word. If the desired value for any of these parameters is less than
or equal to 9 hours, 6 minutes and 7 seconds (32767 seconds), then
only the low word register needs to be written with the value in
seconds.
The low word register for Sample Time is 40034.
The low word register for Hold Time is 40032.
Table 7-4 Instrument Parameters
Register
Data Type
Description
40026
unsigned integer
Location number
Specifies location of Particle Counter.
40031
unsigned integer
Hold Time [high].
Works in conjunction with 40032. Number of
seconds to wait between sample periods. Max value
is 359,999, which equals 99h 59m 59s
40032
unsigned integer
Hold Time [low]
40033
unsigned integer
Sample Time [high].
Works in conjunction with 40034. Number of
seconds to sample. Max value is 86,399, which
equals 23h 59m 59s.
40034
unsigned integer
Sample Time [low]
Содержание RLPC 0.1m
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