Krohne UFC 400 Modbus EN User Manual

Signal converter for ultrasonic flowmetersDescription of Modbus interfaceDescription of Modbus interfaceDescription of Modbus interfaceDescription of

5 MODBUS PROTOCOL 10 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 enWith S = sign, E = exponent, M = mantissa/fraction5.2.4 64-

MODBUS PROTOCOL 511UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.3 Modbus Register AddressesThe signal converter supports fo

5 MODBUS PROTOCOL 12 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 enThe single data character in the response telegram will indi

MODBUS PROTOCOL 513UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.7 DiagnosticsThis command function permits the user to perf

5 MODBUS PROTOCOL 14 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.8.1 Device ControlThe "Device Control" offers s

MODBUS PROTOCOL 515UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.8.3 Measurement values5.8.4 Measurement Status compliant w

5 MODBUS PROTOCOL 16 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.8.5 Auxiliary ValuesModbus Function Codes "Read Inpu

MODBUS PROTOCOL 517UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.8.6 TotaliserModbus Function Codes "Read Coils" (

5 MODBUS PROTOCOL 18 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 enModbus Function Codes "Read Holding Registers" (0x

MODBUS PROTOCOL 519UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.8.7 Zero CalibrationA zero calibration is not necessary for

CONTENTS 2 www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 enUFC 4001 General information 41.1 Scope of the document...

5 MODBUS PROTOCOL 20 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.8.8 Process Input ParametersModbus Function Codes "R

MODBUS PROTOCOL 521UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.8.9 Modbus RS485 Communication SettingsModbus Function Code

5 MODBUS PROTOCOL 22 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.8.10 NAMUR NE 107 Variable Event Group(s)The following ei

APPLICATION SEQUENCES 623UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en6.1 Saving and restoring the configuration settingThe e

6 APPLICATION SEQUENCES 24 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 en6.2 Zero Calibration• The example assumes slave addre

TROUBLESHOOTING 725UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en7.1 No response to Modbus requestsThere are a number of possi

7 TROUBLESHOOTING 26 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 en7.4 Responding with exception "Illegal Data Address&qu

APPENDIX 827UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en8.1 NAMUR NE 107 Event Group(s)Modbus Input Register39004 39005Byte

8 APPENDIX 28 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 en8.2 NAMUR NE 107 status signals8.3 Supported Modbus function code

APPENDIX 829UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 enFunction Code 0x03: Read Holding RegistersFunction Code 0x04: Read In

CONTENTS 3www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 enUFC 4007 Troubleshooting 257.1 No response to Modbus requests ...

8 APPENDIX 30 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 enFunction Code 0x10: Write Multiple RegistersFunction Code 0x2B: Enc

APPENDIX 831UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en8.4 Number format• Hexadecimal values are written in the format 0xNN

KROHNE product overview• Electromagnetic flowmeters• Variable area flowmeters• Ultrasonic flowmeters• Mass flowmeters• Vortex flowmeters• Flow control

1 GENERAL INFORMATION 4 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 en1.1 Scope of the documentThese instructions are suppleme

TECHNICAL DATA 25UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en2.1 General technical data2.2 Technical data of the Modbus int

3 ELECTRICAL CONNECTIONS 6 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 en3.1 Modbus connectionThe signal converter is hooked u

ESTABLISH RS485 CONNECTION 47UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 enTo establish a RS485 connection with the signal conv

5 MODBUS PROTOCOL 8 UFC 400www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.1 RTU frame formatUsing RTU (Remote Terminal Unit) format,

MODBUS PROTOCOL 59UFC 400www.krohne.com05/2013 - 4002744801 - AD Modbus UFC 400 R01 en5.2 Data representationThere are two data types used to transm