Mitsubishi Electric MELSEC Q80BD-J71GF11-T2, User Manual

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APPX
Appendix 6 Differences in Cyclic Transmission Modes
Appendix 6
Differences in Cyclic Transmission
Modes
This section explains the differences between "Online (Normal Mode)" and "Online (High Speed Mode)" for the CC-Link IE
Field Network board. Refer to the information in this section to select "Online (Normal Mode)" and "Online (High Speed
Mode)".
Differences in performance specifications
The following items can be selected.
Differences in link scan time
The link scan times in normal mode and high speed mode are shown below when assigning 128 points to RX/RY per station,
64 points to RWw/RWr per station, and the number of connected stations is increased.
Item Online (Normal mode) Online (High speed mode)
Maximum number of RWw send points per local station 1024 points, 2048 bytes 256 points, 512 bytes
Maximum number of transients per link scan 4 + slave stations
×
1.5 4
Total
number of
stations Link scan time (ms) Total number of points
for link devices (bytes)
Online (Normal mode) Online (High speed mode)
Network Operation Setting: "Turn
OFF or 0 Clear Input Data (RX/
RY)" Network Operation Setting:
"Hold Input Data (RX/RY)"
2 0.75 0.24 0.23 576
4 0.85 0.33 0.29 1152
8 1.05 0.49 0.42 2304
16 1.44 0.82 0.68 4608
32 2.22 1.49 1.21 9216
64 3.78 2.82 2.26 17280
120 6.52 5.14 4.09 34560
128 112 96 80 64 48 32 16 0
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
Total number of stations
Link scan time [ms]
Normal mode
High speed mode_Input data OFF
High speed mode_Input data held