7SG15 MicroTAPP Description of Operation
©2013 Siemens Protection Devices Limited Chapter 1 Page 3 of 38
7.1.2 Control Switches.............................................................................................................. 21
7.1.3 Relay Healthy .................................................................................................................. 21
7.1.4 Voltmeter ......................................................................................................................... 21
7.1.5 Voltage Trace .................................................................................................................. 21
7.1.6 Tap Position Indicator (TPI)............................................................................................. 21
7.1.7 Instruments ...................................................................................................................... 22
7.2 Data Storage with Date and Time ............................................................................................ 22
7.2.1 Fault Records .................................................................................................................. 22
7.2.2 Graphical Records........................................................................................................... 22
7.2.3 Event Records ................................................................................................................. 23
7.3 Communications....................................................................................................................... 23
7.4 Self Monitoring ......................................................................................................................... 23
7.5 Password Feature .................................................................................................................... 23
8 User Interface................................................................................................................................. 24
8.1 General Arrangement............................................................................................................... 24
8.1.1 Liquid Crystal Display ...................................................................................................... 24
8.1.2 LED Indications................................................................................................................ 24
8.2 Keypad and Display ................................................................................................................. 24
8.3 Serial communications port ......................................................................................................26
9 Settings and Displays..................................................................................................................... 27
9.1 Settings Mode .......................................................................................................................... 27
9.2 Instruments............................................................................................................................... 33
9.3 Fault Data................................................................................................................................. 33
10 Relay Hardware........................................................................................................................ 34
10.1 Internal Construction ................................................................................................................ 34
10.2 Front Cover............................................................................................................................... 34
10.3 Terminal Blocks........................................................................................................................ 34
Appendix A ............................................................................................................................................ 35
Appendix B ............................................................................................................................................ 36
Appendix C ............................................................................................................................................ 37
Appendix D ............................................................................................................................................ 38