Data Sheet for Product

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