SE4-PLUS Series
Instruction Manual
49
7. DIAGNOSTIC
FUNCTIONS
7.1. Visualisation of the functions
The operator can visualise the operating condition of the light
curtains through four LEDs positioned on the receiver unit and
two LEDs on the emitter unit (Fig.21).
Fig. 21
The reason for the LEDs positioned on the receiver unit (
RX
)
depends on the functioning mode of the safety light curtain.