Mitsubishi Electric MELSEC QS Series User Manual page 77

5
DATA LINK PROCESSING TIME AND STATION
STATUS AT ERROR OCCURRENCE
(Example) When RX 1344 points, RY 1344 points, RWw 168 points, RWr 168 points,
SB 512 points, and SW 512 points are refreshed in a system including a
single safety master module (The number of connected safety remote I/O
stations is 42):
Auto refresh time = KM1 + KM2
[KM3
[(SB / 16) + SW]
= 2.6 + 0.0034
(0.053
= 8.17 [ms]
5.3 Auto Refresh Time
[(RX + RY) / 16 + RWw + RWr] +
(Total number of connected stations)] + KM4
[(1344 + 1344) / 16 + 168 + 168] +
42) + 0.003 [(512 / 16) + 512]
1
2
3
4
5
6
7
8
5
- 20