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Yokogawa DY Vortex Flowmeter Manual

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IM 01F06A00-01EN
9.10.4 Multidrop Mode .................................................................................. 9-8
9.10.5 Loop Test, Simulation, and Squawk................................................... 9-9
9.10.6 Switching HART Protocol Revision ................................................. 9-12
9.10.7 Other Operations for the HART Confi guration Tool .........................9-13
9.11 Menu Tree (HART 7) ........................................................................................ 9-14
10. OPERATION ............................................................................................ 10-1
10.1 Adjustment ...................................................................................................... 10-1
10.1.1 Zero Adjustment ............................................................................... 10-1
10.1.2 Span Adjustment .............................................................................. 10-1
10.1.3 Loop Test .......................................................................................... 10-1
10.1.4 Totalizer Start and Totalizer Reset ................................................... 10-2
10.1.5 Setting of Pulse Output (Scaling) ..................................................... 10-2
10.1.6 Setting of Burnout Switch ................................................................. 10-2
10.1.7 Setting of Write Protect Switch ........................................................10-3
10.1.8 Power Failure ................................................................................... 10-3
10.2 Adjustment for Manual Mode ........................................................................10-3
10.2.1 Low Cut Adjustment ......................................................................... 10-3
10.2.2 Zero Tuning ...................................................................................... 10-3
11. MAINTENANCE ....................................................................................... 11-1
11.1 Changing the Converter and the Terminal Box Orientation ....................... 11-2
11.2 Indicator Removal and Rotation.................................................................... 11-3
11.3 Amplifi er Unit Removal .................................................................................. 11-3
11.4 Amplifi er Unit Assembling ............................................................................. 11-3
11.5 Vortex Shedder Removal ............................................................................... 11-4
11.6 Flow Calculation ............................................................................................. 11-6
12. TROUBLESHOOTING ............................................................................ 12-1
12.1 Large Errors or Unstable Output ................................................................... 12-1
12.2 The Indication Goes to Zero at Certain Time ...............................................12-1
12.3 No Output When The Fluid is Flowing ..........................................................12-2
12.4 Output is Indicated at Zero Flow ................................................................... 12-3
12.5 Multi-Variable Type (/MV) ................................................................................ 12-4
13. GENERAL SPECIFICATIONS ................................................................ 13-1
13.1 Standard Specifi cations .................................................................................13-1
13.2 Model And Suffi x Codes .................................................................................13-5
13.3 Option Specifi cations ..................................................................................... 13-8
13.3.1 Option Multi-Variable (Built-In Temperature Sensor)
Type (/MV) ..................................................................................... 13-10
13.3.2 Option Reduced Bore Type (/R1, /R2) ........................................... 13-11
13.4 Sizing .............................................................................................................. 13-11
13.5 Detailed Accuracy ......................................................................................... 13-13
13.6 Option Specifi cations (For Explosion Protected Type) ............................ 13-20
13.7 External Dimensions .................................................................................... 13-22
… 4 …


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