Operating Instructions
L 4000 system
Fig. 16: Example connec-
tion of L 400/L 4000
sensors in cascade
8010009/TI69/2009-11-26
Electrical installation
Pin
Description
7
Receiver, sensor 3
8
Receiver, sensor 4
9
Deactivate restart interlock
10
Deactivate EDM
11
Reset button input
Restart interlock
12
OSSD 2
13
Sender, sensor 1
14
Sender, sensor 2
15
Sender, sensor 3
16
Sender, sensor 4
1
3
4
1
3
4
Connect the sensors to the safety evaluation device UE 401 always
from left to right, starting from pin 5 and 13 in Fig. 15. Unused sensor
contacts must be connected with a jumper between the related
sender/receiver pin (starting with pin 8 and 16).
Unscreened cables can be used, see ordering information.
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
Chapter 5
DC 24 V
DC 0 V
1
3
STATUS
UE 401
4
13 14 15 16
1
3
5
6 7 8
4
305