SG-BWS-T4
23
6.
DIAGNOSTICS AND WARNINGS
SG-BWS-T4 is equipped with a user interface featuring 3 LEDs and a 7-segment display.
LED
Indication
Power
Device is powered correctly
NORMAL
No danger: safety outputs closed
SAFE
Danger or fault: safety outputs open
The 7-segment display shows detailed information on control unit current status
Tab. 10 Signalling interface
6.1.
Normal operation signalling
The table below specifies all possible screen indications and the system status or failure associated to
each of them.
INDICATION
STATUS
DESCRIPTION
TO DO
POWER
NORMAL
SAFE
Alignment
The display shows the first device
to be aligned and then the others
in a sequence (1 to 4).
Align the safety devices (see 5.2)
POWER
NORMAL
SAFE
Alignment
All connected devices are aligned
Close the Test contact (Pin 2) and
restart the control unit to switch to
normal operation (see 5.2)
POWER
NORMAL
SAFE
SAFE
The indicated safety device beam
is interrupted. If many devices are
in this status, the first one is
indicated, then the others in a
sequence (1 to 4).
Clear the area or check device
connections
POWER
NORMAL
SAFE
NORMAL
OPERATION
The device is in normal operating
conditions and monitored area is
safe.
POWER
NORMAL
SAFE
Interlock
Waiting for the START command
in manual reset mode
Push reset control
POWER
/
NORMAL
/
SAFE
NORMAL
OPERATION/
SAFE
The decimal point indicates that
the EDM function is active (see
4.7)
POWER
NORMAL
SAFE
SAFE
TEST push-button pressed
(contact 2 open)
Check TEST push-button
connections (see 4.6)
Tab. 11 Normal operation signalling
