Data Link Processing Time; Link Scan Time - Mitsubishi Electric MELSEC Q Series User Manual

3.7

Data Link Processing Time

This section describes the link scan time, transmission delay time, and automatic return time.
3.7.1
The link scan time of CC-Link/LT is described as below.
[Link scan time (LS)]
LS = a + (b × N) × c [µs]
a: Constant
b: Constant
c: Constant
N: Last station number
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Link scan time

Transmission speed
a
4-point mode
b 8-point mode
16-point mode
c
2.5
2.0
1.5
1.0
0.5
0
0
search engine
2.5Mbps
22
46
56
76
0.4
Link scan time (At 2.5 Mbps)
16-point mode
8-point mode
4-point mode
20 40
CHAPTER 3 SPECIFICATIONS
625kbps 156kbps
88
41
51
71
1.6
Number of
stations
60
3
353
37
47
67
6.4
39