Siemens 7SG12 DAD-N Manual page 19

Contents
1. INTRODUCTION................................................................................................................................................ 3
2. ACCURACY REFERENCE CONDITIONS ........................................................................................................ 3
3. ACCURACY INFLUENCING FACTORS ........................................................................................................... 3
4. MODULAR II SPECIFICATION ......................................................................................................................... 3
4.1 Environmental Withstand ......................................................................................................................... 3
4.2 Auxiliary Energizing Quantity ................................................................................................................... 4
4.3 A.C Current Inputs ................................................................................................................................... 5
4.4 Output Contacts ....................................................................................................................................... 5
4.5 Status inputs ............................................................................................................................................ 5
4.6 Indication.................................................................................................................................................. 6
4.7 Settings And Configuration ...................................................................................................................... 6
4.8 Recording................................................................................................................................................. 6
4.9 Communications ...................................................................................................................................... 6
4.10 IRIG-B Time Synchronisation................................................................................................................... 7
5. PROTECTION ELEMENTS ............................................................................................................................... 7
5.1 Common Performance ............................................................................................................................. 7
5.2 87/50-1, 87/50-2 Differential..................................................................................................................... 7
5.3 CT-50 CT Supervision.............................................................................................................................. 7
5.4 Trip Circuit Supervision ............................................................................................................................ 7
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7SG12 DAD N Performance Specification
Chapter 2 Page 2 of 7