IDEC DS2_Series - Manual (Page 42)

Instruction manual DS2 series
41
8. DIAGNOSTIC FUNCTIONS AND LED INTERFACE ERROR SIGNALLING
8.1. Device status visualisation
The operator can verify the device functioning status using the three LEDs present the receiver unit and
the one present on the emitter unit.
The meaning of the LEDs present of the receiver unit (RX) depends on the light grid operating mode.
RECEIVING UNIT (RX)
Signalling Status
- No power supply.
- Microprocessor in the reset condition.
- Normal RX functioning
- Presence of object inside sensitive area or units misaligned.
- Short-circuit signalling on switching output
- Generic anomaly on RX unit
- Critical alignment of the TX and RX units or weak received signal.
EMITTER UNIT (TX)
Signalling Status Signalling Status
- No power supply.
-
Microprocessor in the
reset condition.
- Generic anomaly of
the TX unit
Normal TX functioning - No synchronism
between RX and TX
units