Siemens SINAMICS DCM Operating Instructions Manual page 10

Table of contents
6.2 Cable routing in the unit ......................................................................................................... 69
6.3 Block diagram with connection suggestion ............................................................................ 73
6.4 Connecting the external power unit ....................................................................................... 76
6.5 Division options ...................................................................................................................... 83
6.6 Measurement of the armature current ................................................................................... 97
6.6.1 General information ............................................................................................................... 97
6.6.2 Current measurement with two current transformers on the line side ................................... 99
6.6.3 Current measurement via terminal block XB-1 to XB-4 with external measuring circuit ..... 101
6.6.3.1 External current transformers in V-circuit with +1 V at rated armature DC current ............. 101
6.6.3.2 External current transformers in V-circuit with +10 V at rated armature DC current ........... 102
6.6.3.3 Differential input for +/-10 V at rated armature DC current .................................................. 103
6.6.3.4 Input for +/-1 V at rated armature DC current ...................................................................... 104
6.6.4 External current measurement via X21A or X_I_IST ........................................................... 105
6.6.5 Offset correction via XN1 ..................................................................................................... 105
6.6.6 Information on the differential input, control limits, and grounding ...................................... 106
6.7 Connecting the firing pulse transformers ............................................................................. 107
6.7.1 General information ............................................................................................................. 107
6.7.2 Normal use (individual) ........................................................................................................ 107
6.7.3 Parallel connection of firing pulses ...................................................................................... 108
6.7.4 External amplification of firing pulses .................................................................................. 108
6.8 Connecting voltage measurement equipment ..................................................................... 109
6.9 Connecting fuse monitoring equipment ............................................................................... 110
6.10 Parallel connection of power units ....................................................................................... 111
6.11 Field supply .......................................................................................................................... 112
6.12 Line reactors ........................................................................................................................ 112
6.13 Fuses ................................................................................................................................... 116
6.14 Arrangement of printed circuit boards .................................................................................. 117
6.15 Arrangement of customer connections (connector terminals, Faston mounting tabs) ........ 118
6.16 Connector assignment (terminals, Faston mounting tabs, ribbon cables) .......................... 126
6.16.1 Connecting the protective conductor ................................................................................... 127
6.16.2 Field circuit ........................................................................................................................... 128
6.16.3 Electronic power supply ....................................................................................................... 128
6.16.4 Open-loop and closed-loop control section ......................................................................... 129
6.16.5 Voltage measurement equipment ........................................................................................ 142
6.16.6 Fuse monitoring equipment ................................................................................................. 143
6.16.7 Firing pulse transformers ..................................................................................................... 144
6.16.8 Firing pulse ........................................................................................................................... 148
6.16.9 Ribbon cables ...................................................................................................................... 150
6.16.10 Assignment of the RS485 cable to the AOP30 .................................................................... 155
6.16.11 Terminal assignment functional safety ................................................................................ 156
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SINAMICS DCM Control Module
Operating Instructions, 12/2018, A5E34888669A