Chapter 5
Fig. 15:Example circuit for
the L 4000 system
Tab. 5: Terminal assign-
ment UE 401
304
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
Electrical installation
The scope of the circuit depends on the related application. The cir-
cuit is shown in Fig. 15, the terminal assignment in Tab. 5.
The supply of power to the sensors must be separate.
EDM
DC 24 V
DC 0 V
OSSD 1
OSSD 2
1 2 3 4
9 10 11 12
Reset
OSSD ON
OSSD OFF
DC 24 V
RESET
STATUS
UE 401
13 14 15 16
5 6 7 8
TE
4
TE
4
Q
4
TE
4
Q
4
Pin
Description
1
DC 24 V
2
GND
3
EDM input
4
OSSD 1
5
Receiver, sensor 1
6
Receiver, sensor 2
Operating Instructions
L 4000 system
1
2
DC 24 V
8010009/TI69/2009-11-26
Q
4
Q
4
TE
4
Q
4
TE
4