Data Sheet for Product

9
Siemens
A6V11160938_en
--
_c
Smart Infrastructure 2019-04-10
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.
2.1
2
)
The following Modbus registers are used in software version 1.2.12 and previous.
Holding
Register
(16-bit)
No.
Name Description Default R/W
257 PM2.5 value Range: 0…500 R
258 PM10 value Range: 0…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…247 1 R / W
765 Baud rate 1= 9600bps;
2 = 19200bps;
3 = 38400bps;
4 = 57600bps
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.