YOKOGAWA vigilantplant DM8, User Manual

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2
IM 12T03A01-02E
3. INSTALLATION, PIPING AND WIRING .................................................... 3-1
3.1 Installation of Density Detector .......................................................................3-1
3.1.1 Mounting Density Detector ................................................................3-1
3.1.2 Sampling Unit for Vibration Type Density Meter ................................ 3-3
3.2 Installation of Density Converter ....................................................................3-6
3.2.1 Installation Area..................................................................................3-6
3.2.2 Installation of Density Converter ........................................................3-6
3.3 Piping .................................................................................................................3-9
3.3.1 Sample Liquid Conduit .......................................................................3-9
3.3.2 Air Piping for Maintenance ...............................................................3-10
3.3.3 Steam Piping .................................................................................... 3-11
3.3.4 Piping for Air Purge .......................................................................... 3-11
3.4 Wiring ...............................................................................................................3-12
3.4.1 Wiring between Detector and Converter .........................................3-13
3.4.2 Wiring for Analog Output Signal .......................................................3-14
3.4.3 Wiring for Digital Output Signal ........................................................3-14
3.4.4 Wiring for Abnormal Status Contact Output .....................................3-15
3.4.5 Wiring for Power Supply ..................................................................3-15
3.4.6 Wiring for Grounding ........................................................................3-15
4. OPERATION .............................................................................................. 4-1
4.1 Component Names and Function ...................................................................4-1
4.1.1 Density Detector ................................................................................4-1
4.1.2 Density Converter ..............................................................................4-2
4.2 Operation ...........................................................................................................4-3
4.2.1 Operation Mode .................................................................................4-3
4.3 Preparation for Measurement ..........................................................................4-7
4.3.1 Check for Piping .................................................................................4-7
4.3.2 Check for Wiring .................................................................................4-7
4.3.3 Measuring Liquid Flow .......................................................................4-7
4.3.4 Turning ON the Power .......................................................................4-8
4.3.5 Data Input ...........................................................................................4-8
4.3.6 Pressure Compensation ....................................................................4-9
4.4 Calibration .......................................................................................................4-10
4.4.1 Calibration with Standard Solution ..................................................4-10
4.4.2 Calibration with a Sample ................................................................ 4-11
4.4.3 Calibration Error ...............................................................................4-12
4.5 Operation .........................................................................................................4-12
4.5.1 Operation Procedure .......................................................................4-12
4.5.2 Check of Measured Density Value ...................................................4-12
4.5.3 Shutdown .........................................................................................4-12
5th Edition : Dec. 11, 2015-00