Siemens 7SA511 manual Addr LCD Text, LED Test Current Input Connections, EMERG.O/C on

7SA511 Line Protection RelayAcceptance Tests

Table 3-13.LED Test Settings
Addr.	LCD Text
2601	EMERG.O/C ON
2605	I>> phases 2.00 I/In
2606	T-I>> phases 0.30 s
5. Increase the input current until it reaches 2.5IN. Wait at least 1 second aft		completing input
current source to the next set of terminals in the table and press the Target		Resetkey.

adjustments to ensure that all time delays have expired before examining the r ul s. Verify the state of the LEDs as indicated in Table 3-14. Reduce the current input to zero. Move the

Repeat this step until all three pairs of current input terminals have been tested.

Table 3-14. LED Test

Current Input Connections

3A1 - 3A2

2A1 - 2A2

1A1 - 1A2

1D1 - 1D2

1

On

On

On

On

2

On

Off

Off

Off

3

Off

On

Off

Off

4

Off

Off

On

Off

LED

5

Off

Off

Off

On

6

On

On

On

On

12

On

On

On

On

13

On

On

On

On

14

On

On

On

On

6.Increase the input current until it reaches 2.5IN. Wait at least 1 second after completing input adjustments to ensure that all time delays have expired before examining the results. Verify that one or more of the LEDs are on. Reduce the current input to zero. Except for LED 1, the LEDs should be unchanged. Increase the voltage source to 20 volts or more. All of the LEDs should turn off. This completes the test.

3-14 July 27, 1995