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Transmission Format (start bit - data bits –
parity – stop bit)
Bus Termination
Reset button
Modbus registers (Software version 1.2.12)
The following Modbus registers are used in software version 1.2.12 and earlier.
Holding
Register
(16-bit)
No.
257
258
260
296
297
298
764
765
766
768
Remarks:
●
The register number is counted from 1.
●
Register number 768 (Bus configuration command) is for Climatix
configuration.
●
Software version format: major version is 1 byte, minor version is 1 byte and build
version is 2 bytes, such as [2.01.33] = 0x02010021.
Siemens
Smart Infrastructure
Name
PM2.5 value
PM10 value
Sensor working status
Software version
Software version
Software version
Modbus address
Baud rate
Transmission format (start bit –
data bits – parity – stop bit)
Bus configuration command
0=1-8-E-1 (default) / 1=1-8-O-1/
2=1-8-N-1 / 3=1-8-N-2
No
Yes
Description
Default
Range: 0 to 500
Range: 0 to 500
0: Normal;
1: Replace sensor
module;
2: Communication
error
Major version
Minor version
Build version
1 to 247
1
1= 9600 bps;
2
2 = 19200 bps;
3 = 38400 bps;
4 = 57600 bps
0 = 1-8-E-1;
0
1 = 1-8-O-1;
2 = 1-8-N-1;
3 = 1-8-N-2
0 = Ready;
0
1 = Load;
2 = Discard
R/W
R
R
R
R
R
R
R/W
R/W
R/W
R / W
TM
on-event addressing
9
A6V11396712
2020-08-17
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