Operating Instructions
v Siemens Industry, Inc.
CT Orientation Check ................................................................................................ 57
Power Factor Convention .......................................................................................... 58
Total Harmonic Distortion .......................................................................................... 58
Pre-Processing Aids .................................................................................................. 59
Snap Thresholds ..................................................................................................... 59
Multipliers ................................................................................................................ 59
CT Phase Shifts ...................................................................................................... 59
Demand ................................................................................................................... 59
RTU Programming and Scripting - Details ................................................................. 60
Register Organization ................................................................................................ 60
https://www.dentinstruments.com/siemens ............................................................. 60
Element vs. System Scope ........................................................................................ 60
Element ................................................................................................................... 60
Channel ................................................................................................................... 60
System .................................................................................................................... 61
Configuring Element and Channel Register for Service Types ................................. 61
Modbus Absolute Address/BACnet Object Assignments for Setting up
Service Types ....................................................................................................... 61
Configurations ......................................................................................................... 62
Configuring System Registers ................................................................................. 63
Modbus Protocol Commands .................................................................................... 63
Slave Address ......................................................................................................... 63
Modbus String Entry ................................................................................................ 64
Floating Point Registry Entry ..................................................................................... 67
Commands Requiring a Processor Reset ................................................................. 70
BACnet ....................................................................................................................... 71
BACnet Segmentation ............................................................................................. 71
BACnet Structured View ......................................................................................... 71
Appendix A—MD-xxHD LCD Menu Navigation .......................................................... 73
About Meter ............................................................................................................... 73
Menu Navigation ........................................................................................................ 74
Communication Navigation ........................................................................................ 75
Appendix B—Enclosure Dimensions .......................................................................... 77
Appendix C—Mounting Templates ............................................................................. 79
Enclosure Internal Mounting Hole Locations ............................................................. 79
Sheet Metal Plate Mounting Hole Locations .............................................................. 80
Appendix D— MD-xxHD Technical Specifications .................................................... 81