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5.2
TwinCAT Development Environment .............................................................................................. 80
5.2.1
Installation of the TwinCAT real-time driver ..................................................................... 81
5.2.2
Notes regarding ESI device description ........................................................................... 87
5.2.3
TwinCAT ESI Updater...................................................................................................... 91
5.2.4
Distinction between Online and Offline ............................................................................ 91
5.2.5
OFFLINE configuration creation....................................................................................... 92
5.2.6
ONLINE configuration creation ........................................................................................ 97
5.2.7
EtherCAT subscriber configuration ................................................................................ 105
5.3
General Commissioning Instructions for an EtherCAT Slave ....................................................... 114
5.4
Notices on analog specifications ................................................................................................... 122
5.4.1
Full scale value (FSV), output end value ....................................................................... 122
5.4.2
....................................................................................................................................... 123
5.4.3
Temperature coefficient tK [ppm/K]................................................................................ 124
5.4.4
Long-term use ................................................................................................................ 125
5.4.5
Ground reference: single-ended/differential typification................................................. 126
5.4.6
Common-mode voltage and reference ground (based on differential inputs) ................ 131
5.4.7
Dielectric strength .......................................................................................................... 132
5.4.8
Temporal aspects of analog/digital or digital/analog conversion.................................... 133
5.4.9
Explanation of the term GND/Ground ............................................................................ 136
5.4.10
Sampling type: Simultaneous vs. multiplexed................................................................ 138
5.5
Quick start ..................................................................................................................................... 141
5.6
Operating behavior, diagnostics.................................................................................................... 144
5.6.1
Control............................................................................................................................ 144
5.6.2
Basic operation .............................................................................................................. 144
5.6.3
Default state ................................................................................................................... 144
5.6.4
Process data .................................................................................................................. 144
5.6.5
4/2-wire mode ................................................................................................................ 144
5.6.6
Measuring mode ............................................................................................................ 145
5.6.7
Autorange function ......................................................................................................... 146
5.6.8
Filter ............................................................................................................................... 146
5.6.9
Conversion time ............................................................................................................. 147
5.6.10
Error Codes.................................................................................................................... 148
5.7
Process data ................................................................................................................................. 149
5.8
Specific data.................................................................................................................................. 153
5.8.1
Measuring currents and voltages ................................................................................... 153
5.8.2
Capacitive and inductive influences ............................................................................... 153
5.8.3
Heating of the test specimen.......................................................................................... 153
5.8.4
Calculating the resistance value .................................................................................... 154
5.8.5
Error analysis ................................................................................................................. 155
5.8.6
Resolution ...................................................................................................................... 156
5.9
Data processing ............................................................................................................................ 157
5.10 DC operation mode ....................................................................................................................... 160
5.11 Example program .......................................................................................................................... 161
5.12 CoE ............................................................................................................................................... 165
5.12.1
Most important CoE entries............................................................................................ 165
4
Version: 3.1
EL3692
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