Table Of Contents - Siemens 7SG164 Ohmega 400 Series Manual

Contents
1 General ............................................................................................................................................. 3
2 Protection Functions ......................................................................................................................... 3
3 Output Contacts ................................................................................................................................ 3
4 Status Inputs ..................................................................................................................................... 3
5 Multiple Setting Groups..................................................................................................................... 4
6 Instrumentation and Metering ........................................................................................................... 4
6.1 Metering .................................................................................................................................... 4
6.2 Secondary Values ..................................................................................................................... 4
6.3 Primary Values.......................................................................................................................... 4
6.4 Phase Sequence Currents and Voltages .................................................................................. 4
6.5 Watts......................................................................................................................................... 4
6.6 VArs .......................................................................................................................................... 4
6.7 Power Factor............................................................................................................................. 4
6.8 Load Direction........................................................................................................................... 4
7 Data Storage..................................................................................................................................... 5
7.1 Fault Records............................................................................................................................ 5
7.2 Waveform Records ................................................................................................................... 5
7.3 Event Records .......................................................................................................................... 5
8 Communications ............................................................................................................................... 6
9 Self Monitoring .................................................................................................................................. 7
10 Password Feature ......................................................................................................................... 7
11 User Interface ............................................................................................................................... 7
11.1 General Arrangement................................................................................................................ 7
11.2 Liquid Crystal Display................................................................................................................ 7
11.3 LED Indications......................................................................................................................... 8
11.4 Keypad...................................................................................................................................... 8
12 Settings and Displays.................................................................................................................... 8
13 Relay Hardware .......................................................................................................................... 10
13.1 Internal Construction ............................................................................................................... 11
13.2 Front Cover ............................................................................................................................. 11
13.3 Terminal Blocks ...................................................................................................................... 11
©2011 Siemens Protection Devices Limited
7SG164 Ohmega 400 Series Description of Operation
Chapter 1 Page 2 of 12