Product overview
Embedded PC 45
Power supply units
CX1100-000x | Power supply units and I/O interfaces
A choice of four power supply modules is available for use with a CX10x0 system. The power supply of all other
system components is ensured via the internal PC104 bus; no separate supply lines are required. However, the
CX1100 components offer further important characteristics that go beyond a pure power supply: an integrated
NOVRAM enables the fail-safe storage of process data, an LCD display with two lines of 16 characters each is used
for displaying system and user messages. A 4 + 1 keypad enables user input without additional keyboard or input
panel. Local I/O signals are connected via the CX1100-0002 power supply variant, to which all Beckhoff Bus
Terminals can be connected, or via CX1100-0003, which in addition to the Bus Terminals enables the connection of
Extension Box IExxxx type Beckhoff Fieldbus Box modules. The option to connect Bus Terminals or a fieldbus Box
creates a control system with a very variable, expandable I/O level with large signal variety. The I/O data are stored
in a DPRAM, which is accessible by the CPU via the system bus. The power supply units of the CX system can be
changed in the field: If, for example, local I/O via Bus Terminals is required, CX1100-0001 can be replaced with
CX1100-0002 in the field. EtherCAT terminals can be connected via the CX1100-0004 power supply unit. The I/O
data are stored directly in the main memory of the CX1100-0004 CPU; a DPRAM is no longer required. The CX1100-
0004 power supply unit for EtherCAT terminals can not
be connected in conjunction with the basic CX1000 CPU
module.
The technical data are provided with the individual power supply unit specifications:
• CX1100-0001 (no field bus)
• CX1100-0002 (K-Bus)
• CX1100-0012 (K-Bus for CX1030 and CX10x0 for alternative installation positions)
• CX1100-0003 (K-Bus, IP-Link)
• CX1100-0013 (K-Bus, IP-Link for CX1030 and CX10x0 for alternative installation positions)
• CX1100-0004 (E-Bus)
• CX1100-0014 (E-Bus for CX1030 and CX10x0 for alternative installation positions)
An overview of the power supply architecture and a detailed description of the general system components such as
GCB, ACB, NOVRAM, display and keypad can be found in the documentation for the power supply units.
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