PLLS motor preferences
Use the
Motor preference
tab on the PLLS Properties
dialog box to configure preferences for the motors included in a group for Process Lead Lag Standby Motor Group (PLLS) instructions. Motors start in order of preference from 1 to 30.
TIP:
When configured, motor priorities override motor preferences.
To configure motor preferences for PLLS instructions
- On the instruction in the routine, perform one of these actions:
- On the Ladder or FBD instruction, select .
- In the Structured Text editor, right-click the tag name and selectConfigure <tag name>.
- UnderAdvanced, select theMotor preferencetab.
- In theNewbox for each motor, enter a preference number. The motor with preference 1 starts first, followed by 2, and so on. The existing preference value for each motor appears in theCurrentbox. If the Cfg_CnfrmReqd parameter equals 1, a confirmation message appears that asks you to confirm the updated setting. If the setting requires a signature, this will enforce security from the HMI and disable the setting from the Logix Designer dialog.
- To apply the new preferences, selectSet preference values. This setting is available only when online with the controller and takes effect immediately. A confirmation dialog box might appear requesting confirmation. If the command request requires a signature, this will enforce security from the HMI and disable the command from the Logix Designer dialog.
- To reset all preference values to 0 (no preference), selectReset preference values. This setting is available only when online with the controller and takes effect immediately. A confirmation dialog box might appear requesting confirmation. If the command request requires a signature, this will enforce security from the HMI and disable the command from the Logix Designer dialog.
- When online with the controller, monitor theDevice stateandDevice issuesindicators at the bottom left of the dialog box:
- Device state. Displays the current device state:
- None
- Stopped
- Running
- Stopping
- Decreasing
- Increasing
- Device issues. Displays fault conditions:
- None
- Configuration error
- Fail to start
- Fail to stop
- SelectApply.
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