Mitsubishi Electric MELSEC iQ-R Series User Manual page 118

■Sampling time when using a file register (R, ZR)
600
500
400
Sampling time (ms)
300
200
100
0
■Sampling time when using a module access device (Un\G) or link direct device (Jn\)
3
2.5
2
Sampling time (ms)
1.5
1
0.5
0
Saving possible period
The following table shows the saving possible periods when the scan time of a CPU module is set to 1 millisecond.
These result values were measured when all values in devices to be sampled changed for each scan.
Recording buffer capacity (MB)
800
APPX
116
Appendix 2 Processing Time
0
500 1000
0 10 20
1500 2000 2500
Number of sampling points (K word)
30 40 50
Number of sampling points (K word)
Number of device points to be sampled
(word)
256
512
1024
2048
3000 3500
60 70 80
Saving possible period (s)
1346
701
358
181
4000
90 100