3
NT UF 841 CP GB (d) / June 2015
CHAPTER 4: INSTALLING A MEASURING POINT ______________________ 25
4.1 Composition of a measuring point _________________________________________________ 26
4.2 Choosing the measurement location _______________________________________________ 26
4.3 Choosing the probe location _____________________________________________________ 30
4.4 Installing probes and connectors __________________________________________________ 32
CHAPTER 5: USING AND CONFIGURING THE Uf 841 ___________________ 35
5.1 Using the Uf 841 ______________________________________________________________ 36
5.2 Main configuration elements _____________________________________________________ 39
5.3 Configuring the Uf 841 _________________________________________________________ 39
5.4 SIMPLE configuration ___________________________________________________________ 41
5.5 NORMAL configuration __________________________________________________________ 53
5.6 ADVANCED configuration ________________________________________________________ 57
5.7 "Measurement" mode __________________________________________________________ 61
CHAPTER 6: FUNCTION ENGINE ___________________________________ 64
6.1 Principle _____________________________________________________________________ 65
6.2 Application examples: Calorimetry ________________________________________________ 65
6.3 Application examples: Conversion of gas flow rate into standardised flow rate _____________ 67
CHAPTER 7: PC SOFTWARE ______________________________________ 68
7.1 Introduction __________________________________________________________________ 69
7.2 Archiving, processing and printing of saved files _____________________________________ 81
7.3 Settings files __________________________________________________________________ 81
Appendix I: Characteristic echo signals _____________________________ 82
Appendix II: Speed of sound in water ______________________________ 85
Appendix III Troubleshooting ____________________________________ 87
III.1 Diagnostic indications _________________________________________________________ 88
III.2 Description of fault bits ________________________________________________________ 90
III.3 Fault grid ___________________________________________________________________ 93
Appendix IV: Link protocol of the Uf 841 ____________________________ 94
IV.1 Serial link characteristics _______________________________________________________ 95
IV.2 Reading of N words (with N
≤
125) _______________________________________________ 96
IV.3 Modbus / Jbus table ___________________________________________________________ 97
IV.4 CRC16 calculation algorithm ___________________________________________________ 101
Summary of Contents for Uf 841
Page 4: ...4 NT UF 841 CP GB d June 2015 CHAPTER 1 OVERVIEW...
Page 12: ...12 NT UF 841 CP GB d June 2015 CHAPTER 2 SAFETY INSTRUCTIONS...
Page 17: ...17 NT UF 841 CP GB d June 2015 CHAPTER 3 INSTALLATION AND WIRING...
Page 25: ...25 NT UF 841 CP GB d June 2015 CHAPTER 4 INSTALLING A MEASURING POINT...
Page 27: ...27 NT UF 841 CP GB d June 2015...
Page 35: ...35 NT UF 841 CP GB d June 2015 CHAPTER 5 USING AND CONFIGURING THE Uf 841...
Page 64: ...64 NT UF 841 CP GB d June 2015 CHAPTER 6 FUNCTION ENGINE...
Page 68: ...68 NT UF 841 CP GB d June 2015 CHAPTER 7 PC SOFTWARE...
Page 82: ...82 NT UF 841 CP GB d June 2015 Appendix I Characteristic echo signals...
Page 85: ...85 NT UF 841 CP GB d June 2015 Appendix II Speed of sound in water...