Mitsubishi Electric MELSEC Q Series Reference Manual page 640

Replace the station-specific parameters in the previous page with refresh parameters.
• Image of assignment by link refresh
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(5) END processing time of CPU module
If a sequence program used for MELSECNET/H is utilized in CC-Link IE Controller Network, the END processing
time of the CPU module is increased due to the influence of the link refresh time. (The network parameter settings
(number of stations, network range assignment, etc.) are assumed to be the same.)
Reducing the link refresh points can shorten the END processing time of the CPU module. (
Section 4.1.3)
Condition for use in MELSECNET/H
Instruction execution time in sequence scan time > Link scan time
Instruction execution time in sequence scan time < Link scan time
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Link relay (B)
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Station No.1(a)
Station No.2
Station No.3
Station No.4
Station No.5
Station No.1(b)
Link refresh Link refresh
Network range assignment (LB)
Station No.1(a)
Station No.1(b)
Station No.2
Station No.3
Station No.4
Station No.5
END processing time of CPU module
Same as the case where a MELSECNET/H module is mounted.
The END processing time of the CPU module is increased,
compared with the case where a MELSECNET/H module is
mounted.
Since the link scan time in CC-Link IE Controller Network is short,
the points of cyclic data that are sent from respective stations are
increased.
Because of this, the link refresh time is prolonged and the END
processing time of the CPU module is increased.
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