Yaskawa MP900 Series Ladder Programming Manual User Manual
Page 39
3.1 Ladder Program Design Procedures
3.1.8 Checking the Operation of the Ladder Programs
3-12
( 2 ) Confirming the Operation of the 0000th Line (AND Circuit)
1.
Set MB000000 to ON in the Register List. Confirm that the NO contact for MB000000 in the Ladder
Editor changes to blue.
When a coil or contact is highlighted in blue, it means that it is ON.
2.
Set MB000001 to ON in the Register List. Confirm the following points.
• In the Ladder Editor, the NO contact for MB000001 and coil for MB000010 must be blue.
• In the Register List, MB000010 must be ON.
If no problems occur in the above procedure, then this concludes checking the operation of the 0000th line.
Input ON.
c
Confirm that the contact changes to blue.
c
Confirm that the coil changes to blue.
c
Confirm that the contact changes to blue.
Input ON.
d
Confirm that the register is ON.