Datasheet

2016 product data manual of PLANTOWER
Appendix I：PMS5003 transport protocol-Active Mode
Default baud rate：9600bps Check bit：None Stop bit：1 bit
32 Bytes
Start character 1
0x42
(Fixed)
Start character 2
0x4d
(Fixed)
Frame length high
8 bits
……
Frame length=2x13+2(data+check bytes)
Frame length low 8
bits
……
Data 1 high 8 bits
……
Data 1 refers to PM1.0 concentration unit
μ g/m3（CF=1，standard particle）*
Data 1 low 8 bits
……
Data 2 high 8 bits
……
Data 2 refers to PM2.5 concentration unit
μ g/m3（CF=1，standard particle）
Data 2 low 8 bits
……
Data 3 high 8 bits
……
Data 3 refers to PM10 concentration unit
μ g/m3（CF=1，standard particle）
Data 3 low 8 bits
……
Data 4 high 8 bits
……
Data 4 refers to PM1.0 concentration unit *
μ g/m3（under atmospheric environment）
Data 4 low 8 bits
……
Data 5 high 8 bits
……
Data 5 refers to PM2.5 concentration unit
μ g/m3（under atmospheric environment）
Data 5 low 8 bits
……
Data 6 high 8 bits
…….
Data 6 refers to concentration unit (under
atmospheric environment) μ g/m3
Data 6 low 8 bits
……
Data 7 high 8 bits
……
Data 7 indicates the number of
particles with diameter beyond 0.3 um
in 0.1 L of air.
Data 7 low 8 bits
……
Data 8 high 8 bits
……
Data 8 indicates the number of
particles with diameter beyond 0.5 um
in 0.1 L of air.
Data 8 low 8 bits
……
Data 9 high 8 bits
……
Data 9 indicates the number of
particles with diameter beyond 1.0 um
in 0.1 L of air.
Data 9 low 8 bits
……