Window «Measuring screen»
Rubric
Read
command
Zero
Clear
Preset
Print
Part
Mise hors tension
9. MODBUS RTU Protocol
This process allows to connect the M3 to an compatible and programmable automate.
This process allows to control all the functionnality of the D70A thanks to a lot of register.
A maximum of 256 register can be read.
Address : always equal to 1
Code : the D70A supports codes « 3 » by reading and « 16 » by written
Data : 1 to 256 register
CRC16 : verification code on 2 octets
The following functionality are available :
- Reading of the position of 2 probes
- Instant reading of the value of 2 characteristic
- Preset
- Reading / programing of the tolerances, of the master value, the formula...
Write
command
ZERO
CLR
PRESET
?
G1
G2
OFF
Example of a RTU Modbus communication with an automate Pro-face.
Comment
Zero relative
Start dynamic measurement
Calibration
Measurement transfert : If 1 characteristic mode, transfert
the value with the format :+000.00000<CR>
If double characteristic mode, transfert the value with format
: +000.00000,+000.00000<CR>
Part 1
Part 2
Turn off the display
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