
88
NT UF 811 CP GB (e) / June 2015
The measurement differs from the predicted flow
Actions to take
o
Check that the probes are far enough away from hydraulic disturbances.
o
Check the precise dimensions of the section of the pipe or the channel at the location of the
measurement and the position of the probes.
o
Have faith in your Uf 811.
The message "relay overflow" appears permanently or intermittently in the case of a
relay output configured in totalizer mode
Cause:
o
Too many pulses output within the allocated time.
Actions to take
o
Adapt the pulse weight and/or the width based on the flow of your application (see the
"Totalizer" section 5.4.4 - point 5).
The message "open loop" appears permanently when setting a current output
Cause:
o
Break in the loop.
The message "outside limits" appears permanently or intermittently when setting an
analogue input
Cause:
o
Current or voltage outside the range of use.
Содержание Uf 811
Страница 4: ...4 NT UF 811 CP GB e June 2015 CHAPTER 1 OVERVIEW...
Страница 11: ...11 NT UF 811 CP GB e June 2015 CHAPTER 2 SAFETY INSTRUCTIONS...
Страница 14: ...14 NT UF 811 CP GB e June 2015 CHAPTER 3 INSTALLATION AND WIRING...
Страница 28: ...28 NT UF 811 CP GB e June 2015 CHAPTER 4 INSTALLING A MEASURING POINT...
Страница 30: ...30 NT UF 811 CP GB e June 2015...
Страница 38: ...38 NT UF 811 CP GB e June 2015 CHAPTER 5 USING AND CONFIGURING THE Uf 811...
Страница 65: ...65 NT UF 811 CP GB e June 2015 CHAPTER 6 FUNCTION ENGINE...
Страница 67: ...67 NT UF 811 CP GB e June 2015 CHAPTER 7 PC SOFTWARE...
Страница 81: ...81 NT UF 811 CP GB e June 2015 Appendix I Characteristic echo signals...
Страница 84: ...84 NT UF 811 CP GB e June 2015 Appendix II Speed of sound in water...