Defender Press Brake Guarding System Operation Manual
LS-CS-M-069
Page 31
Original Language Version: 1.04
Released:
01/04/2020
Warning: NO OPTICAL PROTECTION IN FIELD MUTED MODE
In Field Muted mode, all optical guarding is deactivated. Although the Defender
Press Brake Guarding System ensures that the machine does not exceed safe
speed in this mode, particular caution must still be exercised.
Entry to Field Muted mode can be password protected, and should only be
used by suitably trained personnel, and only in exceptional circumstances
(changing tools, maintenance, etc.).
To enter Field Muted mode press the
FIELD MUTED
button. When the Defender system enters
Field Muted Mode the screen will appear as shown in
. The
FIELD MUTED
button
turns green, the Status screen turns red (to indicate that the optical protection is muted), and
the message
FIELD MUTED MODE
–
Ready to bend
is displayed. The Sensor window now
indicates that there is no optical protection (no sensor state is displayed). If an external mute
lamp has been installed, this will also be turned
ON
.
FIELD
MUTED
FIELD
MUTED
FIELD
MUTED
Figure 6-12: Field Muted Button Options (left to right) Enabled, Disabled-ON,
Disabled
The system now behaves as described in
Section 3.7
. When the operator presses the pedal
for the first time the tools will
not
close and the message
Mode Change
–
RELEASE FOOT
PEDAL
is displayed in the Status window. This alerts the operator that the optical protection
mode has changed.
When the pedal is released and again pressed, the tools will close with the speed restricted
to safe speed, and the message
LASERS INACTIVE
is displayed in the red Status window, as
FIELD
MUTED
GUARD
MODE
MUTE
STOP
BACK
GAUGE
ACTION
LASERS INACTIVE
0000
STATUS
A
B
STD
Figure 6-13: Closing Tools in Field Muted Mode
Note:
The Field Muted button functionality can be disabled through a parameter in the
Supervisor menu.
shows the state of the button for (left to right)
Enabled, Disabled-ON and Disabled-OFF.