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6
LINK DATA SEND/RECEIVE PROCESSING AND
PROCESSING TIME
6.2 Transmission Delay Time
6.2.3 Link data send/receive time (Link scan)
6 - 9
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
(e) Calculate the total link points (number of bytes), and obtain a value for KB from the
graph.
B: Total points for link relays (B) that are used on all stations
W: Total points for link registers (W) that are used on all stations
Xo: Total points for link inputs (X) that are assigned to master station
Yo: Total points for link outputs (Y) that are assigned to master station
Figure 6.4 Constant (KB)
(Total link points) = {B + X0 + Y0 + (W 16)} 8192 [Kbyte]
100
90
80
70
60
K
B
50
40
30
20
10
12345678910(Kbyte)
(ms)
(a) When the first and latter
halves of link
parameters are set
(b) When only the first half
of link parameters is set
(a)
(b)
Total link points