Contents
Section 1: Introduction ....................................................................................................................................... 6
1.2 External Resistors.............................................................................................................................. 6
1.3 Description ........................................................................................................................................ 6
1.4 Ordering Options ............................................................................................................................... 7
1.5 Functional Diagram ............................................................................................................................ 8
1.6 Terminal Diagram .............................................................................................................................. 9
2.1 Operator Interface............................................................................................................................ 10
2.1.1
2.1.2
Keypad .............................................................................................................................. 12
2.1.3
2.2 Home Screen .................................................................................................................................. 13
2.3 Password Protection ........................................................................................................................ 13
2.4 Software Version Menu .................................................................................................................... 14
2.5 Alert Screen .................................................................................................................................... 14
2.5.1
Fault Alert .......................................................................................................................... 14
2.5.2
Alarm Alert ......................................................................................................................... 14
2.5.3
Info Alert ............................................................................................................................ 14
2.6 Parameter Edit Screen ..................................................................................................................... 15
3.8 General Alarm ................................................................................................................................. 24
3.9 Reset LEDs Outputs ........................................................................................................................ 24
3.9.1
Binary Input........................................................................................................................ 24
3.9.2
Reydisp Software ............................................................................................................... 25
3.9.3
TEST/RESET► Key........................................................................................................... 25
3.10 Current Inputs.................................................................................................................................. 26
3.11 Binary Inputs ................................................................................................................................... 26
3.12 Binary Outputs ................................................................................................................................. 27
3.12.1
Binary Output Matrix ........................................................................................................... 27
3.12.2
Self Reset/Hand Reset ....................................................................................................... 27
3.12.3
3.13 Binary Output Operation .................................................................................................................. 29
3.13.1
3.13.2
3.14 Impulse output ................................................................................................................................. 29
3.15 Modes of Operation ......................................................................................................................... 29
3.15.1
CT Power........................................................................................................................... 29
3.15.2
USB Power ........................................................................................................................ 31
3.15.3
Battery Power .................................................................................................................... 31
3.15.4
Sleep Mode........................................................................................................................ 31
3.15.5
Low Battery Indication ........................................................................................................ 31
3.16 Maintenance Mode .......................................................................................................................... 32
3.16.1
Output Test ........................................................................................................................ 32
3.17 Self Monitoring ................................................................................................................................ 32
3.17.1
3.18 Data Storage ................................................................................................................................... 33
3.18.1
Fault Records (Trip Log) ..................................................................................................... 33
3.18.2
Event Records (Event Log) ................................................................................................. 33
© 2017 Siemens Protection Devices Limited
7SR45 Description of Operation
Chapter 1 Page 2 of 34