Description

This object is being used to count between two numbers from a given value and trigger the over- or underflow.

App Builder Object

Source Code

function execute() {
  if (context.min === undefined) {
    context.min = parseInt(inPorts[3].value, 10);
  }

  if (context.max === undefined) {
    context.max = parseInt(inPorts[4].value, 10);
  }

  if (context.value === undefined) {
    context.value = parseInt(inPorts[2].value, 10) || context.min;
  }

  switch (trigger) {
    case 0:
      if (context.value < context.max && context.value >= context.min) {
        context.value += 1;
        return [context.value, null, null];
      }
      context.value = context.min;
      return [context.value, new Date(), null];
    case 1:
      if (context.value > context.min && context.value <= context.max) {
        context.value -= 1;
        return [context.value, null, null];
      }
      context.value = context.max;
      return [context.value, null, new Date()];
    case 2:
      if (inPorts[2].value < context.min) {
        context.value = context.min;
      } else if (inPorts[2].value > context.max) {
        context.value = context.max;
      } else {
        context.value = inPorts[2].value;
      }
      editInPort(2, {});
      return [context.value, null, null];

    case 3:
      context.min = inPorts[3].value;
      break;

    case 4:
      context.max = inPorts[4].value;
      break;

    default: break;
  }
  return [];
}

Examples

Value(Start)	Min	Max	Step	Overflow	Underflow

Max	Step	Overflow
3	0	0
3	1	0
3	2	0
3	3	0
3	0	1

In Ports

Position	Name	Message Type	Description

Position	Name	Message Type	Description
1	Increment	Trigger	This port is being used to trigger the increment of the 'Rotary Counter'.
2	Decrement	Trigger	This port is being used to trigger the decrement of the 'Rotary Counter'.
3	Value	Number	This port is being used to get a starting number for the 'Rotary Counter'.
4	Min	Number	This port is being used to get the lower limit for the 'Rotary Counter'.
5	Max	Number	This port is being used to get the upper limit for the 'Rotary Counter'.

Out Ports

Position	Name	Message Type	Description

Position	Name	Message Type	Description
1	Value	Number	This port is being used to receive the current number of the 'Rotary Counter'.
2	Overflow	Trigger	This port is being used to trigger the “Overflow“ time stamp for the 'Rotary Counter'.
3	Underflow	Trigger	This port is being used to trigger the “Underflow“ time stamp for the 'Rotary Counter'.

Properties

Name	Description

Name	Description
Object Name	The name on the object on the canvas.
Show Code View	The switch to turn on code view for the Code Object
Duplicate Code into custom Code Object