Forced Transition Bit (Trn) Replacement Method - Mitsubishi Electric MELSEC-Q Series Programming Manual

Forced Transition Bit (TRn) Replacement Method

Operation by forced transition bit
The forced transition bit forcibly satisfies a transition condition. When the forced transition bits are used, the preset input
conditions can be ignored and the transition conditions can be satisfied in due order.
Forced transition bit replacement method
Describe any bit device in the transition condition, where it is desired to cause a forced transition, under the OR condition and
turn ON the bit device described under the OR condition to cause a forced transition.
A
APPENDICES
183
Appendix 2 Restrictions on Basic Model QCPU, Universal Model QCPU, and LCPU and Alternative Methods