Mitsubishi Electric FX5-DP-M User Manual page 167

Melsec iq-f series
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When multiple DP-Masters are deployed
With multiple DP-Masters deployed on the same network, the following calculation formula provides their bus cycle time
(TBc).
3
Σ
TBc[s] =
Bc(i)
i=1
n = The number of DP-Masters
Bc = The bus cycle time of each DP-Master ( Page 164 When only one DP-Master is deployed)
The following shows an example with two DP-Masters.
(1)
Bc(1)
TBc
(1) Polling by DP-Master 1
(2) Polling by DP-Master 2
The total bus cycle time TBc can be calculated from TBc = Bc(1) + Bc(2).
(2)
(1)
Bc(2)
t
Appendix 4 Processing Time
A
APPX
165

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