7SA511 Line Protection Relay

Displaying System and Relay Informa ion

go to address blocks 5100, 5200, etc. You may also use the DirectAddr.key to view any log

a ess. ANNUNCIATIONS5000

nnunciation refers to the process of activating the various relay outputs when an event occurs. Messages that appear on the operator panel LCD are also called annunciations in this manual.

The following procedure uses the Eventkey and the navigation keys to access and display

infoAddrmation. Refer to section 5.3.1, “ electing an Address,” for information on using the Direct key to access information.

To display the information you want to review, follow this procedure:

1.Press the Eventkey. Address block 5000 appears in the display as shown above.

2.Press the key until the address block of annunciations that you want to review is displayANNUNCIATIONS5100OPERATIONALd as shown in the example below:

3.Press the key to display the first entry in the list you are viewing. The example below shows how the vent log message appears when the relay is operating in emergencyEmerg11/02/940903overcurrent.Modemode:.C

4.Press the or key to move up or down in the list you are viewing.

5.When you are finished reading the information, press the or key to go to another address block. Information is not updated when the address block is active.

6.2Event Log (5100)

The Event Log consists of operational and status messages chronologically listed under address 5100, starting with the most recent message. Table 6-2 identifies the available messages. Event log messages include pickup and drop-out of enabled protections and alarms, activation and deactivation of binary inputs, signal outputs, trips, relay diagnostics, and other relay operational information.

6-4

July 27, 1995

Page 140
Image 140
Siemens 7SA511 manual Ess. ANNUNCIATIONS5000, Event Log