Installation
User manual 57106_hdb_en_13 41 / 94
8.3 Wiring of the bus node
Terminal module
spring terminals
A power module is integrated in the bus node of the Cube20S system. Spring
terminals are used for wiring. Spring terminals allow you to connect the signal-
ing lines and power cables fast and easily. In contrast to the screw connection,
this type of connection is resistent to vibrations.
The installation procedure with spring terminals is described in 8.2 "Spring ter-
minals".
Standard wiring
Fig. 8-4: Standard wiring
1 24 V DC for power supply of I/O level (max. 10 A)
2 24 V DC for electronics supply, bus node and I/O level
Standard wiring of the
power modules
Fig. 8-5: Standard wiring
For wires with a cross-section of 0.08 mm
2
to 1.5 mm
2
.
Pos. Function Type Description
1 - - not used
2 24 V DC Input 24 V DC for power supply
3 0 V Input GND for power supply
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