Operating instructions7SV512
V1
67C53000---G1176---C91
6 Operating instructions
6.1 Safety precautions
All safety precautions which apply for work
inelectrical installations are to beobserved
during tests and commissioning.
!
Warning
Connection of the device to a battery char-
ger without connected battery may cause
impermissibly high voltages whichdamage
the device. See also Section 3.1.1 under
Technical data for limits.
!
Caution!
6.2 Dialog with the relay
Setting, operation andinterrogation ofdigital protec-
tion and automation systems can be carried out via
the integrated membrane keyboard and display
panel located on the front plate. All the necessary
operating parameters can be entered and all the in-
formation can be read out from here. Operation is,
additionally, possible via the interface socket by
means of a personal computer or similar.
6.2.1 Membrane keyboard and dis-
play panel
The membrane keyboard and display panel is exter-
nally arranged similar to a pocket calculator. Figure
6.1 illustrates the front view.
A two-line, each 16 character, liquid crystal display
presents the information. Each character comprises
a 5 x 8 dot matrix. Numbers, letters and a series of
special symbols can be displayed.
During dialog, theupper linegives afour figure num-
ber,followed bya bar.This number presents the set-
ting address. The first two digits indicate the ad-
dress block, then follows the two-digit sequence
number. In models with parameter change-over fa-
cility, the identifier of the parameter set is shown be-
fore the setting address.
The keyboard comprises 28 keys with numbers,
Yes/No and control buttons. The significance of the
keys is explained in detail in the following.
Numerical keys for the input of numerals:
+/---
to Digits 0 to 9 for numerical input
Decimal point
Infinity symbol1
Change of sign (input of
negative numbers)
90
J/Y
N
Yes key: operator affirms the dis-
played question
Yes/No keys for text parameters:
No key: operator denies the dis-
played question or rejects a sug-
gestion and requests for alterna-
tive
Keys for paging through the display:
Paging forwards: the next ad-
dress is displayed
Paging backwards: the previous
address is displayed
Block paging forwards: the be-
ginning ofthe next address block
is displayed
Block paging backwards: the be-
ginning of previous address
block is displayed
To Next Page
Loading...
