Installation
34
1SVC 440 795 M0100
Supplying DC expansion devices
CL-LER.18DC2, CL-LER.20DC2
Figure 10: Supply voltage to DC expansion unit
Cable protection
The logic relay requires cable protection (F1) rated for at
least 1 A (slow).
0V0V24V
L01-
F1
L01+
24 V
E+
E-
R1
...
R12
h
CL-DC1 and CL-DC2 are protected against reverse
polarity. Ensure the correct polarity of the terminals to
ensure that the logic relay functions correctly.
h
When the CL device is switched on for the first time, its
power supply circuit behaves like a capacitor. Ensure that
reed relay contacts or proximity switches are not used as
the switching device for switching on the power supply.
To Next Page
Loading...
