Programming
ModuleOutput.1=OFF | ‘Turn ModuleOutput.1 Off |
Next
Do While/Loop
This program instruction is used for repeating a sequence of code as long as an expression is true. To loop forever use “TRUE” as the test expression as shown in the third example below. The test expression is tested before the loop is entered. If the test expression is evaluated as False (0) the code in the loop will be skipped over.
Logical tests (AND, OR, NOT) can be used in the Do While/Loop instruction. Parenthesis “()” can be used to group the logical tests.
Examples:
Do While ModuleInput.1=ON | ‘Repeat the | three lines of code below |
| ‘as long as | ModuleInput.1 is ON. |
Index.1.Initiate | ‘Incremental,Dist=5.250in,Vel=10.0in/s | |
Dwell For Time 1.000 | ‘seconds |
|
Loop
Do While (ModuleInput.1=ON AND ModuleInput.2=OFF)
‘Repeat the three lines of code below ‘as long as ModuleInput.1 is ON and ‘ModuleInput.2=OFF. ‘Incremental,Dist=5.250in,Vel=10.0in/s ‘seconds
‘Repeat until the program is halted ‘Incremental,Dist=5.250in,Vel=10.0in/s ‘seconds
Wait For
This program flow instruction is used to halt program execution until an expression becomes true. Once the expression becomes true the program continues on with the next line of code.
Logical tests (AND, OR, NOT) can be used in the Wait For instruction. Output events (DriveInput=ON, AtVel, etc.) as well as comparisons (PosnFeedback > 1234, VelFeedback < 100, etc.) can be used in a Wait For instruction.
Examples:
Wait For (ModuleInput.1=ON AND ModuleInput.2=OFF)
Index.0.Initiate
Wait For Index.AnyCommandComplete
If (ModuleInput.2=ON) Then | ‘Jog+ | when | ModuleInput.2=ON |
Jog.0.PlusInitiate | ‘Vel=20in/s | ||
Wait For ModuleInput.2=OFF | ‘Stop | when | the input goes OFF |
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