33
3
3
Ladder Programming
This section describes how to write ladder programs using the Sysmac Studio.
3-1
Programming with the Sysmac Studio ......................................................... 3-35
3-1-1
Programming Procedure................................................................ 3-35
3-1-2
Creating a Project .......................................................................... 3-35
3-2
Parts of the Sysmac Studio Window ............................................................ 3-37
3-2-1
Screen for Configurations and Setup ............................................ 3-37
3-2-2
Screen for Programming................................................................ 3-37
3-3
Assigning Variables to Terminals ................................................................. 3-38
3-3-1
Variable Names for Terminal Numbers ......................................... 3-38
3-3-2
I/O Map Setting .............................................................................. 3-39
3-3-3
Checking Wiring ............................................................................. 3-41
3-4
Ladder Programming .................................................................................... 3-42
3-4-1
Inserting Circuit Parts .................................................................... 3-42
3-4-2
Keyboard Mapping ......................................................................... 3-42
3-4-3
Rules .............................................................................................. 3-43
3-5
Example of a Basic Ladder Program ............................................................ 3-44
3-5-1
Practice of Programming a Ladder Diagram ................................. 3-44
3-5-2
Writing the Algorithm ..................................................................... 3-45
3-5-3
Program Check .............................................................................. 3-47
3-5-4
Saving the Program ....................................................................... 3-48
3-5-5
Checking Operation on the NX1P ................................................. 3-49
3-5-6
Checking Operation on the Simulator ............................................ 3-50
3-5-7
Example of a Program Error (Offline) ............................................ 3-52
3-5-8
Example of an Error Occurred During Operation .......................... 3-52
3-6
Example of a Ladder Program Using a Timer Instruction ............................ 3-53
3-6-1
Self-holding Rung .......................................................................... 3-53
