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6
LINK DATA SEND/RECEIVE PROCESSING AND
PROCESSING TIME
6.2 Transmission Delay Time
6.2.2 Link refresh time
6 - 7
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
FUNCTIONS
5
PREPARATORY
PROCEDURES BEFORE
OPERATION
6
LINK DATA SEND/
RECEIVE PROCESSING
AND PROCESSING TIME
7
PROGRAMMING
8
TROUBLESHOOTING
6.2.2 Link refresh time
Link refresh processing time of a local station is calculated by the following formula.
2: Link refresh time of local station
N: Number of FROM/TO instructions and intelligent function module device accesses, which refreshed link data in a
sequence scan when Refresh ready status (X7) was ON
B: Total points of refreshed B
W: Total points of refreshed W
X: Total points of refreshed X
Y: Total points of refreshed Y
2 = 1.5 + 0.3 N + 0.0035 { (B + X + Y) 16 + W} [ms]