
CONTENTS
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www.krohne.com03/2015 - 4000172406 - HB OPTIWAVE 7300 R08 en
OPTIWAVE 7300 C
7 Service 83
7.1 Periodic maintenance..................................................................................................... 83
7.2 How to clean the top surface of the device .................................................................... 83
7.3 How to clean horn antennas under process conditions ................................................ 84
7.4 How to replace device components ............................................................................... 85
7.4.1 Service warranty ................................................................................................................... 85
7.4.2 Replacement of the display cover.........................................................................................86
7.4.3 Replacement of the complete electronic module................................................................ 88
7.4.4 Replacement of the terminal module................................................................................... 90
7.5 Spare parts availability...................................................................................................92
7.6 Availability of services .................................................................................................... 92
7.7 Returning the device to the manufacturer..................................................................... 92
7.7.1 General information.............................................................................................................. 92
7.7.2 Form (for copying) to accompany a returned device............................................................ 93
7.8 Disposal .......................................................................................................................... 93
8 Technical data 94
8.1 Measuring principle........................................................................................................94
8.2 Technical data................................................................................................................. 95
8.3 Antenna selection......................................................................................................... 101
8.4 Guidelines for maximum operating pressure.............................................................. 102
8.5 Dimensions and weights .............................................................................................. 104
9 Description of HART interface 115
9.1 General description ...................................................................................................... 115
9.2 Software history ...........................................................................................................115
9.3 Connection variants...................................................................................................... 116
9.3.1 Point-to-Point connection - analogue / digital mode......................................................... 116
9.3.2 Multi-Drop connection (2-wire connection) ....................................................................... 116
9.4 HART® device variables............................................................................................... 117
9.5 Field Communicator 375/475 (FC 375/475) ................................................................. 117
9.5.1 Installation .......................................................................................................................... 117
9.5.2 Operation............................................................................................................................. 117
9.6 Asset Management Solutions (AMS)............................................................................ 118
9.6.1 Installation .......................................................................................................................... 118
9.6.2 Operation............................................................................................................................. 118
9.6.3 Parameter for the basic configuration ............................................................................... 118
9.7 Field Device Tool / Device Type Manager (FDT / DTM) ................................................ 118
9.7.1 Installation .......................................................................................................................... 118
9.7.2 Operation............................................................................................................................. 118
9.8 HART®menu tree for Basic-DD .................................................................................. 119
9.8.1 Overview Basic-DD menu tree (positions in menu tree).................................................... 119
9.8.2 Basic-DD menu tree (details for settings).......................................................................... 119
9.9 HART®menu tree for AMS .......................................................................................... 121
9.9.1 Overview AMS menu tree (positions in menu tree)............................................................ 121
9.9.2 AMS menu tree (details for settings).................................................................................. 121