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4.5
EE895 Commands
The following commands are available via Modbus over I
PLEASE NOTE
2
I
C simplified does not support Modbus encapsulation. Therefore, no Modbus communication and no
settings are possible.
4.5.1.
Information
Function
address
code
0x03
1) Register address starts from 0
Tab. 13
Available commands for I
PLEASE NOTE
When reading the serial number or the sensor name, it is always necessary to read all 8 registers, even if the
desired information requires less.
4.5.2.
General Settings
The following functions allow for EE895 settings. These are stored in the RAM, therefore they are volatile.
Measuring mode: continuous or single shot
Function
address
code
Read 0x03
Write 0x06
1) Register address starts from 0
Tab. 14
Continuous or single shot measurement
Register
1)
Description
[HEX]
0x00
Serial number
0x08
FW-Version (Major, Minor)
0x09
Sensor name
2
C and UART
Register
1)
Note
[HEX]
[Bit 0] Default status = 0
0 = continuous. The EE895 measures at the regular interval set with the
command "CO
0x1F8
1 = single shot. The EE895 measures only with the command
"Measuring trigger", see below.
[Bit 1..15] reserved (must be written as 0)
2
C and Modbus over UART.
Note
EE895 serial number, ASCII, 0 terminated
High-Byte = Major Version
Low-Byte = Minor Version
Example: 0x011A = 1.26 [01=1; 1A=26]
2 ASCII characters for each Register ("EE895")
String is 0-terminated
measuring interval", see chapter 4.5.3.
2
Miniature Sensor Module for CO
User Manual EE895
, Temperature and Barometric Pressure | 18
2
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