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Figure 21 Pin connection for the Micromatch on LGD compact main board
3.2 Data transmission protocol
The LGD module has multiple commands to communicate with other devices, like microcontrollers, or with the
LGD Customer Frontend when it is connected to a PC. The following describes the structure of all commands
necessary for the integration and use of the sensor.
RS232 Serial settings
Default parameters for the serial
communication to the sensor:
Overall communication structure
In the following description we will use
Response
the name
will denominate the equivalent transfer from the sensor to the PC.
Command
Response
The
or
Command / Response ID
Ping
Config
Start Measurement
Idle
Save to EEPROM
Version.
Status monitoring
Axetris AG
LGD Compact Operating & Integration Instructions; Rev. D
Command,
describing the transfer from PC to the device. Conversely,
IDs consist of the following:
Abbreviation
P
C
M
I
S
V
D
Baud rate
9600
Data bits
8
Parity
no
Stop bit
1
Flow control
no
(19200, 115200)
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