Post Fault Processlist

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Contents

CNC Bender Version

This feature is available in all CNC Bender software as of version 10.0.5.8 (July 6, 2006).

What is it?

The post fault processlist is a text file that contains legal COMDEF command names and other directives to CNC Processor. It is the equivalent of a small bend program.

Flexibility

This feature’s power is its flexibility. It allows each bender to use custom reactions to fault events.

When does it run?

CNC Processor runs this processlist after a fault occurs when a bend program is running. For example, if a command time-out occurs, then a fault will be triggered, then immediately run the PostFault.cncprocesslist. Other faults include range errors - such as when an axis is told to move beyond its legal range.

Sample Post Fault Processlist

DeenergizeDies
OutputControlOff
[manualmode]

This is a sample post fault processlist deenergizes all pressure on the dies, then shuts down the master power (pump, etc). Finally, the processor is instructed to switch to manual mode.

Caution

As with all hand-customized process lists that are this flexible, please exercise care in choosing the proper commands. (Choosing an incorrect command could cause a machine crash.)

Location

The processlist location and name is c:\cnc\config\PostFault.cncprocesslist If the processlist is not present in this location with this name, then it is simply ignored, and no process is run after fault events.

Last Command Required

The last command in this processlist should always be [manualmode]. If this is not the last command, then Auto Mode will automatically start after running the Post Halt processlist.

--Mcone 12:25, 8 July 2006 (EDT)