Michell Instruments Liquidew EExd, Руководство пользователя

Страница: 6 / 90

Liquidew EExd User’s Manual
vi 97097 Issue 14.1, November 2019
Appendices
Appendix A Technical Specification ...............................................................................35
A.1 Mounting Drawing .......................................................................37
A.2 Pipework Connections ..................................................................38
A.3 System Wiring Diagram ................................................................39
Appendix B Variable Definitions ....................................................................................41
Appendix C Software ...................................................................................................46
C.1 System Requirements ..................................................................46
Appendix D Calibration Correction ................................................................................48
D.1 Overview ....................................................................................48
D.2 Calibration Software .....................................................................49
D.3 Calibration Procedure ...................................................................50
Appendix E Modbus RTU Communications ....................................................................53
E.1 Introduction ................................................................................53
E.2 Modbus RTU Basics ......................................................................53
E.3 Physical Layer .............................................................................53
E.4 Termination Resistor ....................................................................54
E.5 Register Map ...............................................................................54
Appendix F Modbus RTU Details ..................................................................................63
F.1 Message Framing .........................................................................63
F.2 Implemented Functions ................................................................64
F.3 Exceptions ..................................................................................68
Appendix G Register Number Formats........................................................................... 70
Appendix H Hazardous Area Certification ......................................................................75
H.1 Product Standards ......................................................................75
H.2 Product Certification ...................................................................75
H.3 Global Certificates/Approvals .......................................................75
H.4 Special Conditions of Use .............................................................76
H.5 Maintenance and Installation ........................................................76
Appendix I Quality, Recycling & Warranty Information ...................................................78
Appendix J Return Document & Decontamination Declaration ........................................80