User program

User program in HPCB is a program that can pre-set what action to take under certain conditions.
The events and actions that can be set are as follows.

Event

• OnStart
  ‍When the HPCB service is running.
• OnEnd
  ‍When the HPCB service is end.
• OnActive
  ‍When the HPCB controller active switch is turned on.
• OnWarm
  ‍When the initial value setting is complete after onstart or When the active switch is turned off.
• BeforeCalc
  ‍Before starting the internal calculation of the controller in the manner specified by ReSP or CSP.
• AfterCalc
  ‍After completing the controller internal calculation in the manner specified by ReSP or CSP.
• OnChange / OnSteady
  ‍At the beginning of each cycle of the controller.
• OnStep
  ‍When the specified step is reached at the beginning of each cycle of the controller.

Action

• Write
  ‍Write the value to the specified tag.
• WriteOnce
  ‍Write the value to the specified tag only once.
• Change Condition
  ‍Change from the current condition to the specified condition.
• Change Variable
  ‍Change the current variable type to another type.
• Controller Init
  ‍Initialize the running controller, set the step to zero, and set it to start with the specified condition when initializing.