Switching Statistics; Viewing The Switching Statistics - Siemens siprotec 7SA6 User Manual

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Switching Statistics

Device Front

From PC with

C53000-G1176-C133-1

The messages in switching statistics are counters for the accumulation of interrupted

currents by each of the breaker poles, the number of trips issued by the device to the

breaker. The interrupted currents are in primary terms.

Switching statistics can be viewed on the LCD of the device, or on a PC running

4 and connected to the operating or service interface.

A password is not required to read switching statistics; however, a password is

required to change or delete the statistics.

For each trip command initiated by a protective element of the device, the magnitude

of interrupted current for each circuit breaker pole is determined and stored. The

current magnitudes are added to previously interrupted currents, and the accumulated

values are stored.

In devices with automatic reclosure the number of reclosure commands is counted,

i. e. separately according to single-pole (if available) and three-pole automatic

reclosure cycles as well as separately according to the first and all further automatic

The memories are protected against auxiliary voltage failure.

With a device ready for operation, first press the

The first menu item $QQXQFLDWLRQ is marked.

key to enter the $1181&,$7,21 sub-menu (see Figure 7-2).

key to select the item 6WDWLVWLF, and switch to the list of statistics values

key. The 67$7,67,& list appears. See Figure 7-15.

Switching statistics viewed from the front display

Under $QQXQFLDWLRQ (Figure 7-2), the switching statistics can be found by double

clicking. Double click on 6WDWLVWLF. In the right part of the window the submenu

6WDWLVWLF appears. When double-clicking on it the content is displayed in another

window. See Figure 7-16.

Control During Operation

key. The 0$,1 0(18 appears.

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