Azbil JTD720A, User Manual, Page: 9 / 76

Table of Contents
Conduit pipe .................................................................................... 2-12
Grounding ....................................................................................... 2-12
Supply power .................................................................................. 2-12
2-3-2 : Wiring for explosion-proof model ....................................................... 2-14
2-4 : Changing process connection port position ................................................... 2-15
2-4-1 : Changing the vertical position of the process connection port ........... 2-15
Chapter 3 : Starting and Stopping this Device
3-1 : Operation Preparation ...................................................................................... 3-2
3-1-1 : Communicator Connection ................................................................... 3-2
3-2 : Tag Number Configuration and Checking various settings .............................. 3-3
3-2-1 : Tag Number Configuration ................................................................... 3-3
3-2-2 : Output Format Configuration ................................................................ 3-4
3-2-3 : Checking or setting the indicator display unit ....................................... 3-4
3-2-4 : Checking or setting the lower and upper limits of indicator ................. 3-6
3-2-5 : Damping Time Constant Configuration ................................................ 3-7
3-2-6 : Checking or setting the design pressure .............................................. 3-8
3-2-7 : Checking or setting the design temperatue ......................................... 3-8
3-2-8 : Setting the temperature-pressure correction ........................................ 3-9
3-2-9 : Checking or setting the static pressure elevation .............................. 3-10
3-3 : Measurement ................................................................................................ 3-11
3-3-1 : Flow Rate Measurement .................................................................... 3-11
Chapter 4 : Instrument maintenance and troubleshooting
4-1 : Assembly and Disassembly of this Device ...................................................... 4-1
4-1-1 : Cautions During Assembly and Disassembly ...................................... 4-1
4-1-2 : Attaching and Detaching the Case Cover ............................................ 4-2
4-1-3 : Attaching and Detaching the Main Unit Cover .................................... 4-3
4-1-4 : Cleaning the Device ............................................................................. 4-4
4-2 : Calibration of the Setting Range and Output Signal ........................................ 4-5
4-2-1 : Setting Range Calibration Using a Reference Input Device ................ 4-5
4-2-2 : Calibrating the differnetial pressure sensor .......................................... 4-7
4-2-3 : Calibrating the static pressure sensor ................................................ 4-10
4-2-4 : Calibrating a temperature sensor ....................................................... 4-12
4-3 : Output Signal Calibration ............................................................................... 4-13
4-4 : Troubleshooting ............................................................................................. 4-14
4-4-1 : Checking this instrument .................................................................... 4-14
4-4-2 : Checking Self-diagnostic Messages .................................................. 4-15
4-4-3 : Status Message ................................................................................. 4-16