Control During Operation
7-17
7SA522 Manual
C53000-G1176-C119-2
7.1.3.2
Setting and Retrieval of User Defined Set-points
In the 7SA522 measured value set-points can be configured with the user definable
logic CFC (see Section 5.3). If during normal operation a measured value reaches one
of these set-points, the device generates an alarm which is indicated as an operational
event. As is the case for all operational messages, it is also possible in this case to
output the information to LED and/or output relay and via the interfaces.
If such set-points were defined during the configuration of the device, they can be
viewed and — with password No. 5 — they can be changed:
From the
Device Front
With the device ready for operation, first press the
key. The
0$,10(18
appears.
Use the
key to select the menu item
0HDVXUHPHQW
, and switch to the list of meas-
ured values using the
key. The
0($685(0(17
selection appears.
There, select the menu item
6HW3RLQWV09
with the
key, and switch to the
list of limit values using the
key (see Figure 7-20).
Figure 7-20
Setting of set-points on the device front — example
With the keys
and
paging up and down in the set point table is possible.
To change a set-point, it must be marked by means of the keys
and
and sub-
sequently the key
must be pressed.
A prompt for the entry of password No. 5 (for individual parameters) appears. After en-
try of the password and confirmation thereof with
, the current value appears in a
frame with a flashing cursor. The current value must be overwritten with the desired
new value with the numeric keys. If the permissible range for the setting value is ex-
ceeded to the top or the bottom, the maximum or minimum set point value appears at
the bottom of the display when the value is entered.
Press the
.key. The new value now appears in the list of set point values.
In the same way, further set points, if available, can be modified.
If this level is exited with the key
or
the query “
$UH\RXVXUH"
”, with the de-
fault answer “
<HV
” appears (Figure 7-23). Confirm with the key
, if the modified
value must be accepted. If the value must not be modified the
key, so that the an-
MENU
0HDVXUHPHQW
!
6HW3RLQWV09
5HVHW
u.s.w.
ENTER
ENTER
3:6HWWLQJV"
Enter password Nr. 5 (for individual para-
meters) and confirm with
ENTER
,//LPLW
ENTER
$UH\RXVXUH"
!
<HV1R(VFDSH
6(732,17609
,//LPLW
$
,//LPLW
$
ENTER
ENTER
ENTER
MENU
ENTER
Summary of Contents for siprotec 7SA522
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Page 89: ...SIPROTEC 4 Devices 4 25 7SA522 Manual C53000 G1176 C119 2 Figure 4 20 CFC Logic example ...
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Page 620: ...Appendix B 48 ...
