Siemens 7SA511 manual Signal Relays, LED Indicators, Trip Relays

7SA511 Line Protection Relay Chapter 5

5.19.4 Signal Relays (6200)

The signal relays are configured in address block 6200. The 7SA511 relay has 11 progr mmable signal relays. Up to 20 logical functions can be assigned to each signal relay. Refer to the completed worksheets to see if you need to change a signal relay function.

5.19.5 LED Indicators (6300)

The LED indicators are configured in address block 6300. The 7SA511 relay has 14 programmable LEDs. Up to 20 logical functions can be assigned to each programmable LED indicator. Refer to the completed worksheets to see if you need to change a LED function.

For each LED function, you can specify whether the function will operate in the latched (m) or unlatched (nm) mode.

When paging through the vailable functions in the s lection level using theNoor BackSpace keys, the abbreviated de cription shown in the LCD is followed by an m(for memorized) or nm (for not mem rized) indic tion, which changes from one to the other when the Noor BackSpace key is pressed. In this way, the desired mode can be selected when the paging method is used.

When entering the function number directly, the function number can be extended by a0or 1 where 0

.1indicates unlatched (nm) mode

indicates latched (m) mode

If the extension is omitted, the function display defaults to nm. This can be changed to mby pressing the Noor Backspacekey then pressing Enterto select.

5.19.6 Trip Relays (6400)

The trip relays are configured in address block 6400. The 7SA511 relay has five trip relays. Up to 10 logical functions can be assigned to each trip relay. Refer to the completed worksheets to see if you need to change a trip relay function.

July 27, 1995 5-51