Operating Manual
7. DIAGNOSTIC FUNCTION
7.1. Function indicators
4 LEDs on the receiver and 2 LEDs on the
transmitter
provide
the
information about the operating status of
the SAFEasy device. (Fig. 19).
•
LED SAFE/BREAK:
•
GREEN LED
SAFE is lit; indicates that
the transmitter and receiver are aligned
and the protected field is clear. The
outputs are ON.
•
RED LED
BREAK is lit; indicates that
the transmitter and receiver are not
aligned or an object is breaking the
protected field. The outputs are OFF.
•
LED HIGH ALIGN: (yellow) is unlit; indicates optimum alignment
between the last transmitter optic and the corresponding receiver
optic (top beam on the device).
•
ED LOW ALIGN: (yellow) is unlit; indicates optimum alignment
between the first transmitter optic and the corresponding receiver
optic (bottom beam on the device).
The key to the LEDs on the transmitter (TX) is as follows.
•
LED SAFE (yellow): is lit; indicates that the unit is transmitting
correctly.
•
LED POWER ON (green): is lit; indicates that power supply to the
device is correct.
27
PSEN op2H Series
user
with
Fig. 19