Hypertherm HT4001 Plasma Arc Cutting System - Manual (Page 131)

MAINTENANCE
5-97
HT4001
Instruction Manual 6-5
HT4001 Initialization and Sequence of Operation
On the following page is a flowchart outlining the system initialization during proper HT4001 operation. This
flowchart details system functioning from the time the power supply circuit breaker is turned ON, up to the ready
state. Following the system initialization is a second flowchart outlining the system sequence of operation
beginning with the ready state and continuing through the setup, START command and cutting process. In both
flowcharts, shaded boxes represent action taken by the operator.
The following symbols used in the flowcharts are ANSI standard flowcharting symbols. Their names and definitions
are as follows:
Terminus The terminus is used to indicate the beginning or
ending point of a flowchart.
Task/Process Box The process or task box is used to indicate any
process or task other than an input/output
operation or a decision.
Decision Diamond The decision diamond is used to indicate a
decision or branching point.
Preparation The preparation symbol is used to indicate an
instruction modification.
Off-page Connector The off-page connector is used to indicate exit or
entry from another page to the flowchart.