Operating instructions
LGT
174
8 007 557/S711/2008-06-04 © SICK AG • Safety Systems • Germany • All rights reserved
Contents
10 Dimensional drawings
11 Checklists
12 Conformity
A p p e n d i x
L i s t o f f i g u r e s
1 The components of the LGT safety light grid system
2 Two sender and receiver units arranged in parallel extend
the height of the protective field
3 The LGT light grid must be mounted such that reaching
under/over and standing behind the protective field is
impossible.
4 Connection of the LGT light grid to the LGTN control unit
5 Output switching elements. A = primary relay contact,
B = auxiliary relay contact
6 The relay contacts are to be protected by arc suppressors
(C and R)
7 The semiconductor output reflects the actual state of the
protective field
8 Contamination signal output
9 Connection diagram for external contact monitoring. If
external contact monitoring is not used, terminals 5 and 6
must be bridged
10 Circuitry of the test input
11 The control switch is configured as a normally open contact
Sender unit
Receiver unit
201
205
206
411