Protocol-specific data
16
Modbus
Protocol
Response times
Device type
Slave address range
Function codes
Baud rate
Parity
Data transfer mode
• Modbus RTU
• Level Master
• Direct data access: typically 25 to 50 ms
• Auto-scan buffer (data range): typically 3 to 5 ms
Slave
1 to 63
• 03: Read holding register
• 04: Read input register
Automatic baud rate detection
Automatic parity detection
RTU
Levelflex FMP51 Modbus
Endress+Hauser
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