Appendix 3.4 Active Step Change Instruction (Schg) Replacement Method - Mitsubishi MELSEC-Q Series Programming Manual

APPENDICES

APPENDIX 3.4 Active Step Change Instruction (SCHG) Replacement Method

(1) Operation of active step change instruction
The active step change instruction deactivates the instruction-executed step and forcibly
activates the specified step in the same block.
S5
(2) Active step change instruction replacement method
Using a jump transition and selection branching, create a program that will cause a jump to the
specified step when the transition condition is established.
S5
t5
S7
t7
APP -23
X1
S6
t6
X2
X1
S6(Jump transition destination step)
t6
t8
S6
X2
Activates step 6 when
SCHG K6
X1 turns ON.
TRAN
Causes jump to step 6
TRAN
when X1 turns ON.
TRAN
APP -23