Table of Contents
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L-770HP--E
1. BEFORE YOU BEGIN ............................................................................................ 4
. Confirming the Tag Information ...................................................................................................
. Transportation Guidelines ...........................................................................................................
. Storage Guidelines .......................................................................................................................
. Precautions for Operating Conditions .........................................................................................
. Precautions for Installation Location ............................................................................................
. Precautions for power-on ............................................................................................................
.7 Returning Equipment ...................................................................................................................
. Precautions on Plug .....................................................................................................................
2. GENERAL AND FEATURES ................................................................................. 6
. General Description .....................................................................................................................
3. SPECIFICATIONS AND PERFORMANCE ............................................................. 6
. Sensor Unit ..................................................................................................................................
.. Pressure Losses .................................................................................................................... 7
4. PART NAMES AND OUTLINE DIMENSIONS ...................................................... 9
5. INSTALLATION .................................................................................................... 10
. Installation Guidelines ............................................................................................................... 0
. Physical Orientation .................................................................................................................. 0
. Installation Guidelines ............................................................................................................... 0
.. Standard Piping Conditions ................................................................................................. 0
.. Influences of Vibration and Pulsations ................................................................................
.. Prevention of Cavitation ......................................................................................................
.. Prevention of Excessive Flow ..............................................................................................
.. Keeping the Sensor Filled with Process Liquid ....................................................................
.. Bypass Loop .......................................................................................................................
. Installation Guidelines ................................................................................................................
. Sensor Unit-to-Tubing Connection Guidelines ..........................................................................
.. Machining the Female Connector (for reference purpose) .................................................
.. Connection Procedure ........................................................................................................
. Securing the Sensor Unit and Tubing Clamps ..........................................................................
.7 Heat Insulation Work .................................................................................................................
. Transmitter Installation ..............................................................................................................
6. WIRING INSTRUCTIONS ..................................................................................... 17
. Terminal Box Cover Removal .................................................................................................... 7
. Wiring Procedure .......................................................................................................................
. Connections Between Transmitter and Sensor Unit .................................................................. 0
. Power Supply Lines and Ground Terminal .................................................................................
. Wiring Instructions for Input/Output Signal ................................................................................
.. Analog output wiring .............................................................................................................
.. Pulse output wiring ...............................................................................................................
.. Status input wiring ...............................................................................................................
.. Modbus (RS-) wiring ......................................................................................................
.. Recommended cables condition..........................................................................................
. Insulation Resistance / Withstand Voltage Test .........................................................................
.7 How to Change Cable Entry Orientation of Terminal Box (Remote-mount Type) ......................
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