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Chapter 8. Alphanumeric Keypad and Display
M7IRDA2003I
7IRD-A/J/M: Distribution Protection & Control Terminal
© ZIV APLICACIONES Y TECNOLOGÍA, S.L.U. 2020
8-2
8.1
Alphanumeric Display and Keypad
The liquid crystal display has 80 characters (4 rows
with 20 characters per row) and displays the
alarms, adjustments, measurements, states, etc.
There are 4 auxiliary function keys below the
display (
F1
,
F2
,
F3
and
F4
). Figure on the right
represents the arrangement of the Graphic Display
and the auxiliary function keys.
Figure 8.1
Alphanumeric Display.
Keypad
The keypad shows the IED model, date and time. It also shows, on the first row left, the
connection mode (if the communication is established) at the following mode:
[P1] Local connection (communication by frontal port)
[P2] Remote connection (communication by rear port)
To know which is the IED operation mode, see the first row right, where there is one of this two
options:
[PRO] Protection
[CON] Control
Alphanumeric Keypad
The keypad consists of 16 keys arranged in a 4 x 4 matrix.
Figure on the right shows the layout of the keypad.
In addition to the keys corresponding to the numbers (keys 0
to 9), there are selection keys (
and
), the confirmation key
(
ENT
) and the exit key (
ESC
).
Figure 8.2 Keypad.
The access to the functions can be done by two different modes: using a single key (
F2
) or
using the keypad.