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www.Siargo.com
AM1000 User Manual
5. Digital communication descriptions
5.1 I
2
C interface
5.1.1 I
2
C interface connection diagram
5.1.2 I
2
C interface command description
Command
Byte
(Hex)
Length
(int 16)
Command Name Read/Write
Notes
05H
1
I
2
C address
Write
Bit 0 is R/W flag bit; Bit 1~ Bit 7 are
available.
82H
12
Serial number
Read
ASCII
83H
4
Flow speed
Read
Int32/1000 in m/sec
85H
1
I
2
C address
Read
Bit 7 ~ Bit 1
BEH
1
Temperature
Read
Int16/100 in °C
BFH
2
Humidity
Read
Int16/100 in %RH
Note:
1. The I
2
C address is set to Bit 7~Bit 1. e.g. if the I
2
C address is 4 (0000 100x), the write address will be
0x08 (0000 10o0) and the read address will be 0x09 (0000 1001).