Module Configuration Attributes
482 Rockwell Automation Publication MOTION-RM003I-EN-P - February 2018
together in a Shared AC/DC or Shared DC Bus Configuration. Assignment to a
Bus Sharing Group limits the DC Bus Unload action initiated by a converter in
the group, and the resultant Bus Power Sharing exceptions, to Shared AC/DC
and Shared DC drives in the converter's assigned Bus Group. Drives assigned to
other Bus Groups are, therefore, unimpacted.
If the drive's Bus Configuration indicates Standalone operation, the only valid
enumeration for the Bus Sharing Group is Standalone.
If the drive's Bus Configuration indicates Shared AC/DC or Shared DC
operation, the drive should be assigned to a specific Bus Group. The Standalone
enumeration in this case is invalid.
If the drive supports the optional Bus Configuration attribute, the Bus Sharing
Group is required in the drive profile implementation.
Duty Select
Usage Access T Data Type Default Min Max Semantics of Values
Optional - D Set
USINT[8] [] = 0 - - Enumeration:
0 = Normal
1 = Heavy
2 = Light (O)
3-255 = (reserved)
[ Axis 1 Duty Select,
Axis 2 Duty Select,
Axis 3 Duty Select,
Axis 4 Duty Select,
Axis 5 Duty Select,
Axis 6 Duty Select,
Axis 7 Duty Select,
Axis 8 Duty Select ]
This 8-element array indicates the duty level of the drive application and balances
the continuous and intermittent overload capacity of the drive and motor
accordingly. Since this value is tied to a specific drive inverter and motor, the
setting can vary for each axis instance supported by a multi-axis drive module. The
indexed elements of this array correspond to axis instances 1 thru 8. Individual
elements of this attribute are only applicable to axis instances whose associated
Inverter Support bit is set. Array elements that are not applicable or configured are
set to 0.
• "Normal" Duty provides nominal continuous rating at the expense of lower
overload capacity.
• "Heavy" Duty provides highest overload capacity at the expense of a lower
continuous rating.
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