Mitsubishi Q2ACPU User Manual page 556

APPENDICES
(8) File register
Processing time when the file register is used
The processing time is added when the file register is used.
CPU Module
Q2ACPU(S1)
Q3ACPU
Q4ACPU
Condition: n:number of program files
App - 159
Processing Time
0.87 (n - 1) + 0.74ms
0.64 (n - 1) + 0.60ms
0.32 (n - 1) + 0.28ms