Siemens 7SA511 manual B a

7SA511 Line Protection Relay Chapter 4

D C B A

Binary	Binary
Input 5	Input 6
Binary	Binary
Input 7	Input 8
Binary	Binary
Input 9	Input 10

Signal Relay 1

Signal Relay 2

Signal Relay 3

Signal Relay 4

Binary	Binary
Input 1	Input 2
Binary	Binary
Input 3	Input 4

Signal Relay 5

8

7

6

Trip Relay 5

Trip Relay 1 Trip Relay 2

5

	Trip Relay 3					Trip Relay 4
11		7	8	9	10		Signal
Relay		Relay	Relay	Relay	Relay		Relay 6
Signal		Signal	Signal	Signal	Signal		Line-Line
							voltage
Neutral current					Displacement
							voltage

DC power input

Line-Neutral

voltage (phases

1, 2, and 3)

Line-Neutral

voltage (neutral)

Not Used

Communications

port

Phase 1 current

Phase 2 current

Phase 3 current

4

3

2

1

Figure 4-12. Terminal Function Assignment on Rear Panel.

July 27, 1995 4-17