Hypertherm THC ArcGlide - Manual (Page 174)

174 ArcGlide THC Instruction Manual 806450
4 – Maintenance
Flow of ArcGlide operations
The flowchart on the following pages illustrates the sequence of states in the operation of an ArcGlide THC.
Power ON reset
Initialize uP clock, on-chip I/O,
expansion I/O.
Read stored setup parameters
from Flash.
Setups were saved the last time the THC was
shut down.
Display splash screen.
Immediately after the THC
turns ON, hold the display
select arrows on the front of
the control module to restore
the defaults or to enter
built-in test modes. Both up and down
display arrows?
Yes
Restore default setup parameters.
No
Up display arrow?
Yes
Lifter friction test. Turn power OFF
then ON to end
test mode.
No
Down display arrow?
Yes
Lifter cycle test. Turn power OFF
then ON to end
test mode.
No
Initialize Hypernet links. The ArcGlide THC control module looks for
Hypernet devices on the network (CNC,
HMI, and plasma system). If it doesn’t
discover the devices, the control module
assumes that the device is either not
present or has a discrete connection, and it
displays OFF as the status. If Hypernet
communications fail to initialize, cycle power
to the control module.
Initialize watchdog timer.
Main loop
The Spare input activates
when the test fixture cables
are connected. CNC Spare2_in?
Yes
Self-diagnostics
No
Write expansion outputs.