
Distributed Use of SIMATIC FS600 Laser
Scanner in Category 3 / SIL 2
Entry ID: 21330889
A&D Safety Integrated Page 8/51 AS-FE-I-010-V20-EN
Copyright © Siemens AG 2007 All rights reserved
21330889_as_fe_i_010_v20_en_lscanner.doc
Detection zones and warning zones
When using the laser scanner SIMATIC FS600, you have to define
protection and warning zones. A detection zone (SF) and a warning zone
(WF) always form a zone pair.
Up to 4 zone pairs can be defined; but only one zone pair may be active at
any time. Detection zone numbers (bits 0, 1 and 2 of the cyclic output data)
let you define the zone pair (1, 2, 3 or 4) to be active.
The detection and warning zones are defined using the LS4soft
configuration and diagnostic software. The PROFIsafe adapter enables
correct time behavior when switching the zone pairs. A violation of
detection and warning zones is indicated by:
• LEDs at the laser scanner SIMATIC FS600
• Bits of the cyclic input data
Example for an active zone pair
The robotic cell shown in the following picture consists of two zone pairs:
Zone pair Status in the picture
Zone pair 1
(SF1, WF1)
The zone pair is active.
If someone trespasses detection zone 1, the robot will stop.
Zone pair 2
(SF2, WF2)
The zone pair is not active.
It is allowed to enter the area for detection zone 2 and warning zone 2.
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