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3 Installation
3.1 Connecting the relay outputs
Connection of the relay outputs has to be performed in accordance with the schematic
drawing shown below and the plans and drawings valid for the conditions at the installation
site. The charging unit of the ONLITE central CPS system provides five potential-free relay
outputs which can be used either as normally closed or normally open contact each.
1. Route the connection cables into the cabinet through the flange plate at the top side of the
switch cabinet (see chap. 2.1.2 on page 8).
2. Connect the relay outputs to the terminal block -2X4 of the charging unit relay module (see
following figure).
-2x5
1
2
i
The relay outputs are implemented potential-free. If a signal voltage is required, the
internal 24 V DC voltage supply is provided at terminal block -2X5. The 24 V DC
voltage must be wired to the middle contact (Common) of the corresponding relay.
d
Danger
Leave no connection cables temporarily loose and unsecured.
-2x4
1 2 3 4 5 6 7 8 9 10 1 1 12 13 14 15
Ö4 C4 S4
Ö5 C5 S5
Ö6 C6 S6
Ö7 C7 S7 Ö8 C8 S8
11
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