BECKHOFF CX1100-000x - Manual (Page 48)

Fitting and wiring
46 Embedded PC
Commissioning
The power connections for the power supplies slightly differs. All units are powers by 24 V DC. A tolerance of -15% u
to +20 % is possible. The PE connection must be installed either. The following figures show the different connection
variations.
CX1100-0001 connections
This power supply unit has no I/O interface, though it is connected via a 5-pin "Open Pluggable Connector". In older
versions of the unit the lower inputs are labeled with UPS+/-. These inputs are not in use and must not be connected.
CX1100-0002 connections
This power supply unit has a k-bus interface. The k-bus will be connected separately to the power supply. It is
possible to disable control and bus electronic separately.