Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 2068

(462) Set the PID control data that are set in D500 to D529.
(465) Enable output of the R60DA4.
to
(476)
(480) Set I/O control data common to all loops.
Set I/O data for loop 1.
Set I/O data for loop 2.
APPX
2066
Appendix 5 PID Control Program Examples