Rockwell Automation Publication 1756-UM021A-EN-P - September 2023 29
Chapter 3 System Manager
Time zone
Sets the time zone.
Local NTP server interfaces
The Local NTP server interfaces checkboxes activate the local NTP server on the specified
interface (WAN and/or LAN), maintaining accurate timekeeping across your network. Selecting
at least one interface enables the local NTP server to listen for connections on the standard UDP
port 123. Selecting no interface disables the local NTP Server.
External Storage Devices
The device allows the use of USB Memory or microSD cards as storage devices.
While USB Memory is used as temporary storage (file transfers, logs, system updates), microSD
cards can be used as permanent storage.
For these reasons, different file systems are supported:
To access external storage devices through a FactoryTalk Optix Application, use the system path
shown in the following table:
Format microSD as EXT4
EXT4 is natively supported on Linux OS.
Storage type File system supported Usage
USB Memory FAT32
Suggested if used as temporary storage
microSD Card
FAT32
EXT4 (supported on Linux OS) Suggested if used as permanent storage
Storage type Folder
USB Memory
/storage/usb1
/storage/usb2
/storage/usb3
... is accessed with progressive numbers
microSD Card /storage/sd1
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