Device, General Settings; Description; Setting Notes - Siemens siprotec SJ62 User Manual

2 Functions
2.1.2

Device, General Settings

2.1.2.1

Description

Command-depen-
dent Annunciations
"No Trip – No Flag"
Spontaneous An-
nunciations on the
Display
2.1.2.2

Setting Notes

Fault Messages
Selection of Default
Display
41
The device requires some general information. This may be, for example, the type of
annunciation to be issued in the event a power system fault occurs.
The indication of messages masked to local LEDs, and the maintenance of spontane-
ous messages, can be made dependent on whether the device has issued a trip
signal. This information is then not output if during a system disturbance one or more
protection functions have picked up, but no tripping by the 7SJ62/63/64 resulted
because the fault was cleared by a different device (e.g. on another line). These mes-
sages are then limited to faults in the line to be protected.
The following figure illustrates the creation of the reset command for stored messages.
When the relay drops off, stationary conditions (fault display Target on PU / Target on
TRIP; Trip / No Trip) decide whether the new fault will be stored or reset.
Figure 2-1 Creation of the reset command for the latched LED and LCD messages
You can determine whether or not the most important data of a fault event is displayed
automatically after the fault has occurred (see also Section „Fault Events" in Chapter
„Additional Functions").
Pickup of a new protective function generally resets any previously set LED indica-
tions, so that only the latest fault is displayed at any time. It can be selected whether
the stored LED displays and the spontaneous messages on the display appear upon
renewed pickup, or only after a renewed trip signal is issued. In order to select the
desired mode of display, select the submenu Device in the SETTINGS menu. The two
alternatives 610 or FltDisp.LED/LCD („No trip – no flag") are selected at address
Target on PU Target on TRIP.
For devices with graphic display use parameter 611 Spont. FltDisp. to specify
whether (YES) or not (NO) a spontaneous fault message will appear automatically on
the display. For devices with text display such messages will appear after a system
fault by any means.
Devices featuring 4-line display provide a number of predefined display pages. The
start page of the default display, which will open after device startup, can be selected
via parameter 640 Start image DD The available display pages are listed in the
Appendix A.5.
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015