KROHNE MFC 400 Modbus User Manual
Page 3
CONTENTS
3
www.krohne.com
05/2013 - 4002525102 - AD Modbus MFC 400 R02 en
MFC 400
6 Application sequences
28
6.1 Saving and restoring the configuration setting ............................................................. 28
6.2 Zero calibration .............................................................................................................. 29
7 Troubleshooting
30
7.1 No response to Modbus requests .................................................................................. 30
7.2 Communication errors ................................................................................................... 30
7.3 Responding with exception "Illegal Function" ............................................................... 30
7.4 Responding with exception "Illegal Data Address" ....................................................... 31
7.5 Responding with exception "Illegal Data Value"............................................................ 31
8 Appendix
32
8.1 NAMUR NE 107 Event Group(s)...................................................................................... 32
8.2 NAMUR NE 107 status signals ....................................................................................... 33
8.3 Supported Modbus function codes................................................................................. 33
8.4 Number format............................................................................................................... 36
8.5 Glossary .......................................................................................................................... 36
9 Notes
37