Control Keypad
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6
6.3.3
Keypad control menu (M3)
In the Keypad Control Menu
,
you can choose the control place. You can enter the submenu level by
pressing
6.3.3.1
Selection of control place
There are three different places (sources) where the Active Front End can be controlled from. For
each control place, a different symbol will appear on the alphanumeric display:
You can change the control place by entering the edit mode with
. The options can
then be browsed with the
. Select the desired control place with the
Enter button
.
See the diagram on the next page. See also Chapter 6.3.3 above.
6.3.4
Active fault menu (M4)
You can enter the Active faults menu
from the Main menu by pressing
when the
location indication
M4
is visible on the first line of the keypad display.
When a fault brings the brake chopper to a stop, the location indication F1, the fault code, a short
description of the fault, and the fault type symbol (see Chapter 6.3.5) will appear on the display. In
addition, the indication FAULT or ALARM (see Figure 56 or Chapter 6.1.1) is displayed and, in case
of a FAULT, the red LED on the keypad starts to blink. If several faults occur simultaneously, the list
of active faults can be browsed with the
.
Reset button
and the read-out will return to the same state it was
in before the fault trip. The fault remains active until it is cleared with the
or with a
reset signal from the I/O terminal.
NOTE!
Remove external Start signal before resetting the fault to prevent unintentional restart of the
drive.
NOTE!
There are some special functions that can be performed in menu M3:
Select the keypad as the active control place by pressing
for 3 seconds when the Active
Front End is running (modulating). The keypad will become the active control place.
Select the keypad as the active control place by pressing
for 3 seconds when the Active
Front End is stopped (modulating). The keypad will become the active control place.
NOTE!
that if you are in any other than menu
M3
these functions will not work.
If you are in some other than menu
M3
and try to start the Active Front End by pressing the START
button when the keypad is not selected as the active control place, you will get an error message:
Keypad Control NOT ACTIVE
.
Control place
Symbol
I/O terminals
Keypad (panel)
Fieldbus
I/O term
Keypad
Bus/Comm
Summary of Contents for NX Active Front End
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