Specifications

AS-Interface
ASIsafe
SIMATIC FS400 light curtains
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Siemens IK PI · 2009
6
■ Overview
3RG78 4 and 3SF78 4 light curtains and light grids
(for AS-Interface and PROFIBUS)
• are active optoelectronic protective devices (AOPD),
• comply with type 2 or 4 acc. to EN 61496-1, -2,
• comply with SIL 2 and 3 acc. to IEC/EN 61508,
• are EU prototype tested,
• protect the operating personnel at or near dangerous
machines,
• operate contact-free,
• are free of wear in comparison with mechanical systems
(e.g. safety mats).
For further details, please refer to the "Safety Integrated" manual
and the operating instructions for the respective devices.
Tests/service
The devices are EU prototype tested (German Technical Inspec-
torate (TÜV) Product Service in cooperation with the German
Statutory Industrial Accident Insurance Institution (BIA)).
Where necessary, tests can be performed before initial start-up
as well as during the annual inspection (e.g. as per regulatory
requirements for presses). Please contact your Siemens repre-
sentative.
■ Benefits
Integrated functions:
• Start/restart inhibit
• Contactor control
• Blanking function package with
- Fixed blanking
- Floating blanking
- Reduced resolution
• Muting" function package
• Multi-scan function
• Cycle control
Configuration:
• By means of teach-in key using optomagnetic key
• Transmission of configuration data through a plug-in configu-
ration card
• 2 transmission channels
• Cascading of host and guest devices
• Expanded display (2 × 7 segments)
Outputs/connections:
• Local interface
• M12 connection
• Transistor outputs
• Connection to AS-Interface
■ Application
Light curtains for finger and hand protection
in hazardous areas
Protection from entering hazardous areas by mounting light
curtains near dangerous machine parts (finger and hand protec-
tion)
Device selection
Light curtains for category 2 or 4, with 14, 20, 30 and 40 mm
resolution
Application areas
E.g. presses, punches, filter presses, cutting machines