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  • FRANÇAIS, page 189
Operating instructions
LCU-P
8 008 364/NB 86/25-04-00 © SICK AG • Safety Systems • Germany • All rights reserved
Electrical installation
5.1

Type 2 Sensors

When type 2 sensors are used, two pairs are to be connected
for each LCU input circuit. They are tested automatically. The
test command to the sensor (terminals 14/16/26/28) can be
selected by simple connection to the adjacent terminals
(terminals 15/17/27/29) (test with 0 V-potential or plus-
potential), see fig. 8.
Test with
0 V-Potential
type 2
sensors
15
14
17
16
27
26
29
28
LCU-P
Fig. 8. Selection of the test command for type-2 sensors:
Command via 0 V-potential, command via +V-potential.
The single-channel switching outputs of the type 2 receivers
are connected to terminals 9 and 10 (pairs 1 and 2) and/or to
terminals 21 and 22 (pairs 3 and 4).
Chapter 5
Test with
plus-Potential
type 2
sensors
+V
15
14
17
16
27
26
29
28
LCU-P
GB
333

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