Display Elements - SICK LE20 Instrucciones De Operación

Operating Instructions
LE 20
8 008 685/Q913/2007-05-21
Product description
3.6

Display elements

Three LEDs and a 7-segment display on the front of the unit
provide status and diagnostic information.
Fig. 3-7: Display elements of the LE 20 and LE 20 Muting safety evaluation unit
No. Display
a Red OSSD LED, lit
s
Yellow RESTART LED, lit
Green OSSD LED, lit
d
Override lamp lit
f
(if connected)
g
7-segment display
Display OFF
C
Display
h Lamp 1 lit
j
Lamp 1 flashing
k
Lamp 2 flashing
(if connected)
Tab. 3-4: Display elements of the LE 20 and LE 20 Muting safety evaluation unit
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
Meaning/Function
OSSD outputs switched to OFF
(light beam broken)
Waiting for restart command (light beam clear)
OSSD outputs switched to ON
(light beam clear)
System start possible by pressing override
pushbutton
Display of error codes (see Chapter 8)
Normal operating status
Evaluation unit in muting status
LE 20 in muting status
Muting lamp 2 (LAMP2) faulty or not connected
LAMP 2 and Intercon.+
Muting lamp 1 (LAMP 1) faulty or not connected
GB
Chapter 3
3 0 5