Mitsubishi Electric MELSEC Q Series User Manual page 209

Programmable controller multiple cpu system
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(2) Refresh of CC-Link IE controller network
(a) Refresh time of CC-Link IE controller network and MELSECNET/H
The amount of time required for performing the refresh between the QCPU and the CC-Link IE controller
network or MELSECNET/H network module.
For refresh time of CC-Link IE controller network and MELSECNET/H, refer to the following manual.
CC-Link IE Controller Network System Reference Manual
Q Corresponding MESLECNET/H Network System Reference Manual
(b) Calculation of refresh time
In a multiple CPU system, when refresh is requested from a network module of another CPU coincidentally, the
refresh time increases by the time obtained from each of the following calculations.
1) For Basic model QCPU
(Extension time) = 4
The number of transmission/reception words is the total number
of transfer data below.
Link refresh data
Use the values in Table5.9 for N6
Table5.9 Time increased by coincident refresh request from a network module of another CPU
Basic model QCPU
Q00CPU
Q01CPU
Basic
Note5.2
The CC-Link IE controller network cannot use the Basic model QCPU or the Process CPU.
5 - 7
(No. of transmission/reception word points)
System with main base unit only
High
Process
performance
and
MELSECNET/Híç1
Note5.2
N6
(No. of other CPUs) ( s)
(LB + LX + LY + SB)
:
+LW+SW
16
N6
System including extension
0.54 s
base unit(s)
1.30 s

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