Removable Data Storage Devices (Rdsds) - GE PACSystems RX7i Reference Manual
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2.1.8 Removable Data Storage Devices (RDSDs)
The RX3i CPE302/CPE305/CPE310/CPE330 and CPE400 CPUsprovide the ability to transfer applications
to and from Removable Data Storage Devices (RDSD). Typically, these are USB-compatible devices, such
as a memory stick, smart phone, digital camera or an MP3 device. Once the data is copied to the RDSD,
it can be written to other RX3i / RSTi-EP CPUs of the same type. In order to copy using RDSD, no PME
programming software is needed. The RDSD interface requires a user-supplied flash memory device that
complies with the USB 2.0 Specification.
The USB port must be enabled in the RX3i configuration in order to transfer data between the CPU and
the RDSD. The compatible CPUs are shipped with the RDSD (USB) port enabled.
The RDSD load and store operations can include the following data:
An entire application, including logic and configuration, reference table data, and cam files for Motion
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applications. (Motion files and local logic for DSM motion applications are supported.) Configuration
can include Ethernet Global Data and Advanced User Parameters for the rack-based Ethernet
interface. (Although a complete, unmodified application must be placed on the RDSD, you can use an
options.txt file to download selected components of the application to the target CPU.)
Passwords and OEM key, if any, are encrypted and written to the RDSD when the project is loaded
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from the CPU. When the project is stored to a CPU that has no passwords or OEM key, those are
copied to the CPU.
Note: With Enhanced Security enabled, the RDSD update will fail if the RDSD source controller
has Level 4 password protection and the destination controller is password protected,
regardless of whether the passwords match.
With Legacy security, when the project is stored to a CPU that has passwords and/or
OEM key, the passwords must match or the store will fail.
Fault tables are written to the RDSD before and after a load to or store from the RDSD.
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If a hardware configuration that disables the USB port is successfully stored to the CPU, the fault
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tables will not be written to the RDSD at completion of the store operation.
Note: The USB port is for transfer of application data only. It is not intended for permanent
connection. Do not leave RDSD devices connected during normal operation.
Note: When using RDSD, all programming software connections must be in the Offline state for the
RDSD to function properly.
Note: CPE330 does not support Cfast memory cards as RDSD devices.
Note: CPE400 does not support any RDSD devices.
GFK-2222AD
Chapter 2. CPU Features & Specifications
April 2018
23
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