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ML0035 September 22, 2017 Copyright 2017 Bitronics, LLC
4.0 OPERATION .......................................................................................................................................... 36
4.1 Display .................................................................................................................................................. 36
4.1.1 Overview – Buttons Functions ........................................................................................................ 48
4.1.2 Keypad Functions for Display Mode ............................................................................................... 49
4.1.3 Display Error Messages ................................................................................................................. 50
4.2 Serial Port ............................................................................................................................................. 51
4.2.1 RS485 Connections ....................................................................................................................... 51
5.0 FUNCTIONAL DESCRIPTION .............................................................................................................. 54
5.1 Configuration ......................................................................................................................................... 54
5.2 HTML Web Server ................................................................................................................................ 54
5.3 Passwords ............................................................................................................................................. 54
5.4 Using the M650 with a Bitronics Analog Output Converter .................................................................. 55
5.5 Navigating the M650’s setup menu from the front panel ...................................................................... 56
5.6 Performing set-up through the web page interface .............................................................................. 61
6.0 MEASUREMENTS ................................................................................................................................. 78
6.1 Changing Transformer Ratios............................................................................................................... 78
6.2 Current .................................................................................................................................................. 78
6.2.1 Residual Current ............................................................................................................................ 78
6.3 Voltage Channels ................................................................................................................................. 79
6.4 Voltage Aux .......................................................................................................................................... 79
6.5 Power Factor ........................................................................................................................................ 79
6.6 Watts / Volt-Amperes (VAs) / VARs (Uncompensated) ........................................................................ 79
6.6.1 Geometric VA Calculations ........................................................................................................... 80
6.7 Compensated Watts and VARs (Line and Transformer Loss Compensation) ..................................... 82
6.8 Energy ................................................................................................................................................... 83
6.9 Frequency ............................................................................................................................................. 84
6.10 Demand Measurements ..................................................................................................................... 84
6.10.1 Ampere and Fundamental Ampere Demand .............................................................................. 85
6.10.2 Volt Demand ................................................................................................................................ 85
6.10.3 Power Demands (Total Watts, VARs, and VAs) ......................................................................... 85
6.10.4 Demand Resets ........................................................................................................................... 86
6.10.5 Demand Interval .......................................................................................................................... 86
6.11 Harmonic Measurements .................................................................................................................... 86
6.11.1 Voltage Distortion (THD) ............................................................................................................. 86
6.11.2 Current Distortion (THD and TDD) .............................................................................................. 86
6.11.3 Fundamental Current .................................................................................................................. 87
6.11.4 Fundamental Voltage .................................................................................................................. 88
6.11.5 K-Factor ....................................................................................................................................... 88
6.11.6 Displacement Power Factor ........................................................................................................ 88
6.11.7 Phase Angles .............................................................................................................................. 89
6.12 Heartbeat and Health Check .............................................................................................................. 89
6.13 List of Available Measurements & Settings ........................................................................................ 90
6.14 Calibration ........................................................................................................................................... 90
6.15 Instantaneous Measurement Principles ............................................................................................. 91
6.15.1 Sampling Rate and System Frequency ....................................................................................... 91
7.0 ANALOG TRANSDUCER OUTPUT OPTION ....................................................................................... 92
7.1 Introduction ........................................................................................................................................... 92
7.2 Specifications ........................................................................................................................................ 92
7.3 Connections .......................................................................................................................................... 92
APPENDIX .................................................................................................................................................... 95
A1 CT/VT Connection Diagrams ................................................................................................................ 95
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