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V1.0 | NRG EtherCAT User Manual | © 2022 | CARLO GAVAZZI LTD.
EN
Table of Contents
1. Introduction ............................................................................................................................................................................................................... 2
1.1 Foreword .......................................................................................................................................................................................................... 2
1.2 Scope ............................................................................................................................................................................................................... 2
1.3 Disclaimer ........................................................................................................................................................................................................ 2
1.4 Warning notice system .................................................................................................................................................................................. 2
1.5 Qualified personnel ........................................................................................................................................................................................ 2
1.6 Abbreviations and acronyms ....................................................................................................................................................................... 3
1.7 Other documents ........................................................................................................................................................................................... 3
1.8 Disposal ............................................................................................................................................................................................................ 3
2. Description ................................................................................................................................................................................................................. 4
2.1 System overview ............................................................................................................................................................................................. 4
2.2 System components ...................................................................................................................................................................................... 4
3. Installation .................................................................................................................................................................................................................. 6
3.1 System configuration ..................................................................................................................................................................................... 6
3.2 Connection diagram ..................................................................................................................................................................................... 7
3.3 Load connection diagrams .......................................................................................................................................................................... 8
3.4 Auto-addressing ............................................................................................................................................................................................. 9
3.5 Grounding ..................................................................................................................................................................................................... 10
4. EtherCAT Configuration ......................................................................................................................................................................................... 11
4.1 Installing the ESI file in TwinCAT .................................................................................................................................................................. 11
4.2 Integrating the NRG in TwinCAT ................................................................................................................................................................. 11
4.3 Configuration of the NRG bus chain in TwinCAT ..................................................................................................................................... 13
4.4 Start-up Parameters ..................................................................................................................................................................................... 14
5. Communication ..................................................................................................................................................................................................... 17
5.1 Process data (PDO) ..................................................................................................................................................................................... 17
5.2 Object Dictionary (SDO) ............................................................................................................................................................................. 18
6. Functions .................................................................................................................................................................................................................. 22
6.1 Functions overview ...................................................................................................................................................................................... 22
6.2 Switching modes .......................................................................................................................................................................................... 22
6.3 Measurements .............................................................................................................................................................................................. 26
7. Alarms and Diagnostics ......................................................................................................................................................................................... 28
7.1 LED indications – NRG Controller ............................................................................................................................................................... 28
7.2 LED indications – RG..N................................................................................................................................................................................ 28
7.3 Alarms – NRG Controller .............................................................................................................................................................................. 29
7.4 Alarms – RG..N .............................................................................................................................................................................................. 30
8. Service and Maintenance .................................................................................................................................................................................... 33
8.1 Internal bus communication check .......................................................................................................................................................... 33
8.2 Replacing an RG..N ..................................................................................................................................................................................... 33
8.3 Using the NRG system without ‘REF’ terminal connection ..................................................................................................................... 34