ApexPortable MODBUS Register Map v1.50
248083440-1 Rev 5
A-3
40021
ASCII string
Model Name char[12], char [13]
40022
ASCII string
Model Name char[14], char [15]
40023
unsigned integer
Flow Rate. See registers 40041-40042 for flow rate units.
Liquid Particle Counters and Samplers:
Value equals flow rate. For example: 100d=100
All Other Instruments:
Divide by 100 to get flow rate. For example: 100d=1.00
40024
signed integer
Record Count. Total number of records stored in the counter
40025
signed integer
Record Index. Zero based index to data in 3xxxx register
series. Must be lower than the record count (register 40024).
Set this index to expose a counter’s record in the 3xxxx
registers. Set to -1 to retrieve last record stored in the counter.
40026
unsigned integer
Location number
Particle Counters: Specifies location of Particle Counter where
data was recorded. Must be 1 to 200 (maps to location names
associated with registers 40200 - 40999).
40027
signed integer
Real Time Clock (RTC) [high]. Displays instrument’s real-time
clock. Works in conjunction with 40028. Displays date and
time, in number of seconds since midnight, 1/1/1970. Can be
generated by ANSI C/C++ time() function.
40028
signed integer
Real Time Clock [low]
40029
unsigned integer
Initial Delay [high]. Works in conjunction with 40030.
Number of seconds to wait before starting the first sample. Max
value is 359,999, which equals 99h 59m 59s.
40030
unsigned integer
Initial Delay [low]
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]
Table A-3 Sensor Settings Registers
Register Data
Type
Description
Summary of Contents for ApexP3
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Page 3: ...Lighthouse Worldwide Solutions ApexPortable Airborne Particle Counter Operating Manual...
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Page 12: ...Lighthouse ApexPortable Operating Manual ii 248083440 1 Rev 5...
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Page 87: ...Operate the ApexPortable 248083440 1 Rev 5 5 57 Figure 5 95 Failed Report Sample...
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