Specifications

AS-Interface
ASIsafe — SIMATIC FS400 light curtains and light grids
3SF78 42 ASIsafe series
external evaluation, Type 4
6/42
Siemens IK PI · 2009
6
■ Overview
3SF78 42 light curtains and light grids for ASIsafe for type 4
in accordance with IEC/EN 61496-1, -2
• Resolution: 14, 30, 50, and 90 mm
• Protective zone heights: 150 mm to 3000 mm
• 2-beam, 3-beam or 4-beam light grids
• Connection to AS-Interface
Cascading of host and guest devices for greater protective zone
heights and lengths or for an angular arrangement (optional).
Two standard 3RG78 48-0AB mounting brackets each are
enclosed with all devices (can also be ordered as accessories,
"Standard retaining angle set (1 set = 2 pieces, incl. screws) see
page 6/50.
■ Design
Host/guest: Cascading basic device-subsequent device
A
2222
B
b=40
FS10_00004
Emitter
Host
3SF7842
Emitter
Guest
3SF7842
Receiver
Host
3SF7842
Receiver
Guest
3SF7842
FS10_00003