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10.3.6 Formats des messages Modbus RTU
Formats
Coding System
Number of data bits per character
Parity
Bit transfer rate
Duplex
Error checking
Polynomial
Bit transfer order
End of message
Tab. 22
Modbus RTU Message Formats
Préréglages
•
Adresse : 37
•
Taux de transmission : 9600 bps
•
Interface :
–
8 bits de données
–
parité droite
–
1 bit d'arrêt
302 313
Data
8 bit binary
Even or No
2400, 4800, 9600, 19200, 38400 Selectable
Half duplex Transceiver with Failsafe
CRC (cyclic redundancy check)
(CRC-16 10100000000001)
LSB first
Idle line for 3.5 or more characters (>1.75 msec for >19200 Bps)
BA-2019.07.01 FR
Annexe
LTM
25
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