KROHNE CORIMASS MFC 85 Interface EN - Manual (Page 23)

23
Contents
1. General 24
2. Technical Specifications 24
3. Connection of instruments on the Bus system 25
3.1 Network Terminating and Biasing Resistors 26
4. Using the Current output with Modbus 27
5. Converter configuration 27
6.0 Modbus Protocol 28
6.1 RTU Frame Format 28
6.2 Function Codes 29
6.3 Data Formats 30
6.4 Addresses Allocation 30
6.5 Register Addresses 31
6.6 Error Return codes 33
6.7 Diagnostic Codes 34
7.0 Reference Documentation 35
Modbus
Protocol
Version: 1.0
Applies to Software Versions P 2.22 (MFC081) & G 3.00 (MFC085)
and above
Pages 23-35