Lighthouse REMOTE 3104P, 5104P Operating Manual
4-6 248083336-1 Rev 3
Setting the Real Time Clock
The Real Time Clock (RTC) can be read in registers 40027 and 40028:
In order to change the RTC to the current local date/time, enter the high
and low values as unsigned integers to registers 40035 and 40036
respectively, which are the Data Set registers.
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).
Changing the Default Instrument Parameters
The main instrument parameters involved with the operation of the
REMOTE counter are Location, Sample Time, Hold Time and Initial
Delay.
The Location is set by writing an unsigned integer to register 40026.
The range of values is from 0 to 999.
Sample Time, Hold Time and Initial Delay all use 2 registers, a high
word and a low word. If the desired value for any of these parameters
is less than 9 hours 6 minutes 8 seconds, then only the low word
register needs to be written (in seconds).
Table 4-3 Real Time Clock Registers
Register Data Type Description
40027 signed integer Real Time Clock (RTC) [high]. Works in
conjunction with 40028. Displays date and
time, in number of seconds since
midnight, 1/1/1970.
40028 signed integer Real Time Clock [low]
Table 4-4 Data Set Registers
Register Data Type Description
40035 unsigned integer Data Set [high]. Works in conjunction
with 40036. Data entered here is applied
to the device through the command
register.
40036 unsigned integer Data Set [low]
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