198 Rockwell Automation Publication 750-UM006C-EN-P - March 2022
Chapter 7 Periodic and Preventive Maintenance
There are algorithms for drive fans, relay contacts on digital outputs, motor
bearings, motor lubrication, machine bearings, and machine lubrication.
Parameter 00:469 [PredMaint Sts] should be monitored by the Logix
Controller in order to alarm the system of a impending Elapsed component
Life threshold.
Predictive maintenance for drives is straightforward. Each predictive
maintenance item has five key parameters. There are algorithms for drive fans,
relay contacts on digital outputs, motor bearings, motor lubrication, machine
bearings, and machine lubrication.
• [Total Life] is the total expected life of the component
• [Elapsed Life] is the amount of life that has been expended
• [Remaining Life] is the Total Life minus Elapsed Life
• [Event Level] is the amount of Elapsed Time (in percent of Total Life)
when you want the drive to warn the user of an impending failure
• [Event Action] is the action set to take place when the drive reaches the
Event Level. It can be set to the following options: Ignore, Alarm, Fault
Minor, Fault Coast Stop, Fault Ramp Stop, or Fault Current Limit Stop.
The alarm and fault actions stop the drive or prevent it from starting. If using a
controller and a network interface such as EtherNet/IP, the logic and
notification can be handled at the controller level. Configure the [Life Event
Action] parameter to Alarm and use the controller to monitor the 00:469
[PredMaint Sts] parameter.
TIP Set parameters 00:488…00:519 appropriately for desired status
reporting in 00:469 [PredMaint Sts].