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Aeroqual AQM60 User Guide
Reserved * b1 reserved no meaning at all
PumpStatus
* b2 = 1 pump failed
(This bit function only apply for O3 sensors with
pump)
* b2 = 0 pump working well
NO2_Scrubber * b3 = 1 NO2 scrubber temperature too low, otherwise, works well (This bit only
related with NO2 sensor).
ZeroScrubber * b4 = 1 zero air scrubber turned on, otherwise, its off
Reserved
* b5 reserved no meaning at all
Reserved * b6 reserved no meaning at all
Reserved * b7 reserved no meaning at all
AQM_STATUS
* 8 bits (b7b6b5b4b3b2b1b0) monitor configuration status information
* b0 = 0, means the AQM gas reading unit is ppm
b0 = 1, means the AQM gas reading unit is mg/m3
* b1 = 0, means the AQM temperature reading unit is Celsius
b1 = 1, means the AQM temperature reading unit is F
* b2 ~ b7 reserved
OPERATION_STATUS * 8 bits (b7b6b5b4b3b2b1b0) monitor operation status information
* b0 = 0, means the AQM will only report data by polling individual sensor
* b0 = 1, means the AQM will auto report all sensor concentration at specified rate.
* b1 = 0, means the AQM will only do zero calibration by user command
* b1 = 1, means the AQM will auto do zero calibration at specified
ZERO_CAL_INTERVAL.
* b2 = 0, means the AQM will not do auto zero readings.
* b2 = 1, means the AQM will do auto zero readings at specified AUTO_ZERO_READ_FREQ
time intervals. The zero reading time is fixed 15 minutes long.
* b3 ~ b7 reserved
Section 3
Data value format representation:
The floating point data values use standard IEEE754 32 bits floating point little ending
representation, like DATA field.
Section 4
Data transfer mechanism
1. Due to the monitor main chips feature, 2 byte integer and 4 bytes float data send sequence are
low byte first, high byte last.
2. For regular data report:
Once the monitor power on and after warming up (1 minute), it will regularly report measured result
to RS232 serial port by default.
Section 5
RS232 communication port settings:
Baud rate:
38400
Summary of Contents for AQM60
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