Displaying a Count Down Timer

Display a timer that counts down from 3 minutes down to 0.

Example Operation

Setting Workflow

Add Variables

Set up Converter

Set up Parts

Set up Script

Add Variables

Project Explorer : [Variables] ➞ [All Variables]

Add the below variable(s).

Variables property:

[Name]	[Data Type]	[Initial Value]
Var1	[WORD]	180
Var2	[BOOL]

Set Up Converter

Project Explorer : [Converters] ➞ [User-Defined Converters]

Add the below converter(s).

[Name]	[Type]
Converter1	[Range]

Converter1 property:

Tab	Property		Value
[Basic]	[Data Type (Source)]		[Numeric]
	[Data Type (Result)]		[ColorCode]
	[Range]		4
	[Range1]	[Data (Input)]	6
		[Operator]	>
		[Value]
	[Range2]	[Data (Input)]	3
		[Operator]	>
		[Value]
	[Range3]	[Data (Input)]	0
		[Operator]	>
		[Value]
	[Else Condition]	[Value]

Set Up Parts

Project Explorer : [Screen Design] ➞ [Screens] ➞ [Screen1]

Drag and drop the following objects from the [Tool Chest] to the screen.

Time Display (Name: TimeDisplay01) properties:

Tab	Sub Tab	Property		Value
[Function]	[Basic]	[Current Value]		[Variable] [Name]: Var1
		[Unit]		[Sec]
		[Format]		nn:ss
[Shape]	[Basic]	[Fill]	[Type]	[Solid]
			[Value]	[Variable] [Name]: Var1 [Converter]: [User-Defined Converters] ➞ [Converter1]

Lamp (Name: Lamp01) properties:

Tab	Sub Tab	Property		Value
[Function]	[Basic]	[Current Value]		[Variable] [Name]: Var2
	[Touch]	[Operation]	[Type]	[Bit]
			[Operation]	[Toggle]
			[Destination]	[Variable] [Name]: Var2
[Shape]	[Text]	[Off]	[Text]	Count Down OFF
		[On]	[Text]	Count Down ON

Set Up Scripts

Project Explorer : [Screen Design] ➞ [Screens] ➞ [Screen1]

Set the following script on the object.

From the [Tool Chest] drag and drop the script to the Script editor.

Legend	Block
1	[Triggers] ➞ [Periodic/Schedule] ➞ [Periodic]
2	[Logic] ➞ [If Do]
3	[Logic] ➞ [Comparison Condition]
4	[Values] ➞ [Variable]
5	[Values] ➞ [Constant]
6	[Operations] ➞ [Value Change] ➞ [Value Change]