Configuration
CX51x0
53
Version: 2.8
7.3.5
Using serial interfaces N030/N031
The N030/N031 serial interfaces are only supported by Windows 10 from a certain BIOS, Image, and
TwinCAT version. Observe the system requirements in order to be able to operate the serial interfaces with
Windows 10:
Table 28: System requirements for the operation of the N030 and N031 serial interfaces.
Order designation
BIOS version
Image version
TwinCAT Version
CX51x0-N030
0.79
CX1800-0501-0011v2.0
2.11.2302
CX51x0-N031
CX1800-0511-1011v2.0
3.1.4022.27
For driver-related reasons there are two operation modes. You must decide whether you wish to use the
serial interfaces with TwinCAT or Windows 10. It is not possible to mix the operation modes. The serial
interfaces are configured as standard for operation with TwinCAT. The configuration and switching of the
operation modes takes place in the BIOS and looks like this for the two operation modes:
Operation mode BIOS menu
Option
Value
TwinCAT
(Standard)
Advanced >
LPSS & SCC Configuration
LPSS & SCC Devices Mode
PCI mode
Advanced >
Miscellaneous Configuration
OS Selection
Windows 7
Windows 10
Advanced >
LPSS & SCC Configuration
LPSS & SCC Devices Mode
ACPI mode
Advanced >
Miscellaneous Configuration
OS Selection
Windows 8.x
Behavior in TwinCAT operation mode
• The serial interfaces are not displayed in the Windows Device Manager. The Windows drivers are not
loaded.
• The interfaces are recognized in TwinCAT as COM99 interfaces.
• An error is displayed when starting the PLC or during free running. However, the error has no effect on
the function mode with TwinCAT.
Behavior in Windows operation mode
• The serial interfaces are no longer recognized in TwinCAT and cannot be used as soon as the
Windows operation mode is set in the BIOS.
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