Rockwell Automation SA3100 Distributed Power System Drv Config,Program User Manual

Page 114

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5-2

SA3100 Drive Configuration and Programming

The option “A” for ALL will automatically load the rack (i.e., AutoMax Processor
configuration, the drive parameters for all the UDC modules in the rack, and all tasks
for the rack, including all UDC tasks).

The drive parameters may be loaded to the UDC module in a specified slot or to all
UDC modules in the rack. When the drive parameters are loaded, the AutoMax
Programming Executive will determine if the drive parameters are compatible with the
existing rack configuration. If the drive parameters are not compatible, an error
message will be displayed on the computer screen.

UDC tasks may also be loaded to the UDC modules in the rack. If this option is
chosen, the Programming Executive will display a list of all the AutoMax tasks and
UDC tasks for the system. Select the task to be loaded from the list. Note that the
rack configuration and the drive parameters must be loaded before loading UDC tasks
to a UDC module.

Refer to the AutoMax Programming Executive instruction manual for the complete
Load procedure.

5.3

Running, Stopping, and Deleting UDC Application
Tasks

Running UDC Tasks

A UDC application task is required in order to control a Distributed Power System
drive. To control two drives, two UDC tasks are required. Once it is loaded to the
UDC, a UDC application task is included in the on-line task list with the AutoMax
Processor application tasks. It can be run, stopped, monitored, or deleted in the same
way as any other application task. The priority field will be set to “N/A” for UDC
application tasks. The task for drive A always executes first, followed by the task for
drive B.

The Run All command will run all AutoMax and UDC tasks. The UDC module’s tasks
can be run whether or not the following conditions are met:

the PMI Regulator is communicating with the UDC module

the PMI Regulator’s operating system has been loaded from the UDC module to
the PMI Regulator (which happens automatically when the PMI Regulator is
connected to the UDC module).

Stopping UDC Tasks

UDC application tasks (both tasks A and B together) must run at least every 10
milliseconds. Once the SCAN_LOOP statement is executed, the UDC module will
cause a Stop All in the rack if the task does not complete its scan within 10
milliseconds.

!

ATTENTION:Understand the application before starting a task. Outputs
may change states, resulting in machine movement. Failure to observe
this precaution could result in bodily injury.

ATTENTION:It is the responsibility of the user to ensure that the
application process stops in a safe manner when the application tasks
stop. Failure to observe this precaution could result in bodily injury.

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