Device description
Leuze electronic
MLD 300, MLD 500
15
Table 3.5:
Meaning of the LED2 displays
Table 3.6:
Meaning of LED2 for safety sensor with integrated AS-i interface (AS-i model)
3.3.3 7-segment display at the receiver
(MLD 330, MLD 335, MLD 530, MLD 535)
The 7-segment display shows the number of the operating mode (1 to 6) and assist in the detailed fault
diagnosis see chapter 11 „Rectifying the fault“. For the identification of the fault, the fault's respective letter
is displayed first followed by the number code. The display is repeated cyclically. An AutoReset is carried
out after 10 s, with an unauthorized restart being impossible.
LED2
Meaning
Yellow
Start/restart interlock locked (restart required)
LED2
Meaning
Red
AS-i slave is not communicating with AS-i master
Green
AS-i slave is not communicating with AS-i master
Yellow flashing
AS-i slave has invalid address 0
Red flashing
AS-i slave device fault or AS-i connection defective
Flashing green, red alternately
Periphery fault
Off
No voltage
1
LED1
2
Symbol for OSSD
3
Interface symbol
4
7-segment display
5
LED2
6
RES symbol
7
Beam marking
Figure 3.5: 7-segment display on MLD 330, MLD 335, MLD 530, MLD 535 receiver
5
1
7
6
2
3
4
Receiver
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