Yaskawa MP920 User's Manual Design - Manual (Page 370)

6 System Startup
6.2.5 Ladder Logic Programs
6-40
6.2.5 Ladder Logic Programs
„ Overview
Ladder logic programs are automatically generated on the MPE720 by selecting Yes for
PGM Automatic Generation on the Group Definition Screen and then saving the programs.
These ladder logic programs, called motion management ladder logic programs, are used to
execute JOG, STEP, and HOME RETURN in manual mode, and to execute motion pro-
grams in automatic mode.
„ Structure of Ladder Logic Programs
The following illustration shows the structure of an automatically generated motion manage-
ment ladder logic program (MM ladder logic program).
„ Control Specifications
Motion management ladder logic programs with the following specifications are automati-
cally generated for the Test Unit.
Number of controlled axes 2 axes
Number of tasks 1
Number of groups 1
Motion Management Ladder Logic Program
H01
Main ladder logic program H01.01
Subroutine logic program H Parent drawing
Mode
Emergency stop
Servo ON
Alarm
Alarm reset
Machine lock
Status monitor
Motion program call
Axis 1 manual program
call
SEE H01.01
Axis 2 manual program
call
SEE H01.02
SEE H01
Axis 1 manual
progarm
H01.02
Subroutine logic program
Axis 2 manual
progarm