Modbus Rtu Nachrichten-Formate - Stübbe USF MD Originalbetriebsanleitung

Anhang

10.5.6 Modbus RTU Nachrichten-Formate

Formats
Coding System
Number of data bits per character
Parity
Bit transfer rate
Duplex
Error checking
Polynomial
Bit transfer order
End of message
Tab. 30 Modbus RTU Message Formats
Voreinstellungen
• Adresse: 39
• Übertragungsrate: 9600 bps
• Schnittstelle:
– 8 Datenbits
– gerade Parität
– 1 Stopp-Bit
30 USF
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-2017.03.08 DE 300 861