76 Rockwell Automation Publication 750COM-UM009A-EN-P - May 2017
Chapter 3 Configuring the Drive in a Logix System
'owns' the configuration in the drive. Only make Configuration changes via the
Add-on Profile (AOP).
If a port is not write-protected, then a change that is made by another tool (for
example, a HIM at Port 1) clears the Configuration Signature for the
respective port. This causes ADC to trigger on the next network I/O
connection and overwrite the change with the configuration that was stored in
the controller.
The HIM and other software tools, such as Connected Components
Workbench, can continue to be used for purposes of monitoring.
ADC and Logix Memory
Start in RSLogix 5000 Designer application software, version 16 or later, drive
configuration settings are stored in the project ACD file that is downloaded
and stored in the controller. Configuration settings for ADC-capable devices
contain additional port and script information.
A typical PowerFlex drive consumes less than 25 kilobytes of Logix memory
per drive. Most Logix controllers have megabytes of memory available, so
memory typically is not an issue. You can monitor Logix memory usage in
RSLogix 5000 / Studio 5000 application via the Controller Properties
window.
Peripheral Changes When Using ADC
The PowerFlex 755T drives and bus supplies check the power peripherals
(power modules, LCL filters, precharge modules, and Torque Accuracy
Modules) every time it powers up. During power up, the system checks to see if
the peripherals are the same and in the same order. If the power peripherals are
replaced, or the order of the power peripherals changes, then the PowerFlex
755T detects the change. Changes to the following items trigger the need for
acknowledgment:
• Power peripheral added
• Power peripheral removed
•Power changed
• Backplane option peripheral removed
• Backplane option peripheral changed
ADC cannot operate until a user acknowledges the change, and the following
features are unavailable until the change is accepted:
• The Line Side Converter cannot be modulated.
• The Motor Side Inverter cannot be modulated.
• A command to reset cannot be accepted.
• A parameter download cannot be accepted.
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