Installation Guidelines
3.4 Three Channel System
LDS 6
Operating Instructions, 01/2009, A5E00295894-05
35
3.4 Three Channel System
3.4.1 External Power Supply
The three channel version of LDS 6 uses an external power supply for the sensors. The
setup at the sensor site is the same as for one and two channel systems. Also the ATEX
version of the three channel LDS 6 is using an external power supply leaving the sensors
unaffected when a third channel is added. The external power supply is connected by adding
the pins into two corresponding screws of the 6 pole socket at the back of the central unit as
seen in the following figure.
Fuse
CH 3
CH 2
CH 1
100-240 V AC
24 V D
24 V DC
+
ದ
+
ದ
+
ದ
+V
-V
L
N
Figure 3-4 Schematics of the external power supply.
Fuses: Central unit:100 ... 240 V: T2.5L250V
External power supply:100 ... 240 V: T1.25L250V
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