Omicron CMC 356, Руководство пользователя

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Table of Contents
5
6.10.1 General Data ..................................................................................................... 68
6.10.2 Analog DC Input (VDC, IDC) ............................................................................. 69
6.10.3 Accuracy of the Analog DC Input....................................................................... 70
6.10.4 Measuring Currents ........................................................................................... 71
6.10.5 Accuracy of Binary/Analog Inputs with Option ELT-1 ........................................ 72
6.10.6 Multimeter Mode ................................................................................................ 73
6.10.6.1 Accuracy of AC Measurements .......................................................... 74
6.10.6.2 Channel Cross-Talk............................................................................ 76
6.10.6.3 Accuracy of Phase Measurement....................................................... 77
6.10.6.4 Accuracy of Frequency Measurement................................................ 79
6.10.6.5 Accuracy of Power Measurement....................................................... 80
6.10.7 Harmonic Analysis ............................................................................................. 84
6.10.7.1 Accuracy of Frequency Measurement................................................ 85
6.10.7.2 Accuracy of Amplitude Measurement................................................. 86
6.10.7.3 Accuracy of Phase Measurement....................................................... 87
6.10.8 Transient Recording .......................................................................................... 88
6.10.9 Trend Recording ................................................................................................ 89
6.11 Option LLO-2 (Low Level Outputs)................................................................................. 90
7 Increasing the Output Power, Operating Modes ....................................... 91
7.1 Safety Instructions for High Current Output................................................................... 91
7.2 Single-Phase Operation of the CMC 356 ...................................................................... 92
7.2.1
1 x 32 A High Burden Mode (L-L-L-L)................................................................ 92
7.2.2 1 x 64 A High Burden and High Current Mode (L-L).......................................... 93
7.2.3 1 x 128 A High Current Mode (LL-LN) ............................................................... 94
7.2.4 Single-Phase Voltage ........................................................................................ 95
7.3 Two-Phase Operation..................................................................................................... 96
7.3.1
2 x 64 A High Current Mode (LL-LN) ................................................................. 96
7.3.2 2 x 32 A High Burden Mode (L-L) ...................................................................... 97
7.4 Three-Phase Current Mode with High Burden ............................................................... 98
7.5 Operation with External Amplifiers ................................................................................. 99
8 Troubleshooting ......................................................................................... 101
8.1 Troubleshooting Guide ................................................................................................ 101
8.2 Potential Errors, Possible Causes, Remedies............................................................. 102
8.3 Overheating .................................................................................................................. 103