Mounting and wiring
4.2 Wiring
4.2.1 Power supply
This power supply unit is equipped with an I/O interface, which permits connection of the Beckhoff Bus
Terminals. The power is supplied via the upper spring-loaded terminals labelled “24V” and “0V”.
The supply voltage supplies the CX system ant the terminal Bus and Bus Terminal with a voltage of 24 V DC
(-15%/+20%). The dielectric strength of the power supply unit is 500V
eff
. Since the Terminal Bus (K- and E-
bus) only transfers data, a separate power supply is required for the Bus Terminals. This is provided by
means of the power contacts, which are not connected to the power supply.
CX2100-0904 Power Supply:
CX2100-09x432 Version: 1.3
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