Mitsubishi Electric MELSEC iQ-F FX5 Series User Manual page 206

Unicast mode (100 Mbps)
■Calculation formula
The processing time [ns] of the standard station is 
Cyclic transmission time [ns] = 
•  : This value varies depending on whether a CC-Link IE TSN Class A device station with the basic period or normal speed
c
period exists or not.
Item
When a CC-Link IE TSN Class A device station with the basic period or
normal speed period does not exist
When a CC-Link IE TSN Class A device station with the basic period or
normal speed period exists
No. Calculation formula
1 {(42  n1) + (16  n2) + ndm}  80 + (Sn - 1)  5150 + 14000 + nh
2 {(42  n3) + (20  n4) + nds}  80 + 14000 + nh
3 {(42  n5) + (20  n6) + ndl}  80 + (Sn - 1)  5150 + 14000 + nh
4 50000
5 D  n7
6 Largest value of the maximum response times for the time managed polling method for CC-Link IE TSN Class A device stations with "Basic Period" and
"Normal-Speed" set
For details on the maximum response time for the time managed polling method of a device station, refer to
the user's manual for the device station used.
Cyclic processing time [ns] = 
•  : Cyclic processing time [ns] is calculated by p1 + p4. Round up values that are less than 1 s.
p
■Variable
Name of variable
n1
n2
ndm
Sn
nh
n3
n4
nds
n5
n6
ndl
D
n7
p1: RX/RY/RWr/RWw
processing time
APPX
204
Appendix 4 Processing Time
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or 340000, whichever is larger. Round up values that are less than 1 s.
p
Description
Value of (ndm + (16  n2))/1488 rounded up to the nearest integer or Sn, whichever is larger
Sn  (RYb + RWwb)
RYb: Value of (Total number of points of "RY setting")/(11776  Sn) rounded up to the nearest integer
RWwb: Value of (Total number of points of "RWw setting")/(736  Sn) rounded up to the nearest integer
((Total number of points of "RY setting")/8) + ((Total number of points of "RWw setting")  2)
Number of device stations
Switching hub delay time  Number of switching hubs connected to the network
Switching hub delay time: 160000
Sn  nhs
nhs: Value of (nds + (20  n4))/(1488  Sn) rounded up to the nearest integer
Sn  (RXb + RWrb) + Sn
RXb: Value of (Total number of points of "RX setting")/(11744  Sn) rounded up to the nearest integer
RWrb: Value of (Total number of points of "RWr setting")/(734  Sn) rounded up to the nearest integer
((Total number of points of "RX setting")/8) + ((Total number of points of "RWr setting")  2) + 8  Sn
Value of (ndl + 20  n6)/1488 rounded up to the nearest integer
(ndl - 8) / 1468 + 1
(RXl / 8) + (RWrl  2) + 8
RXl: Number of points of "RX setting" of the device station
RWrl: Number of points of "RWr setting" of the device station
D: (Sn - 1)  5150 + 187440
Round up values of D that are less than 1 s.
When "CC-Link IE TSN Class Setting" is set to "Mixture of CC-Link IE TSN Class B/A or CC-Link IE TSN Class A Only", and "TSN
HUB Setting" is set to "Not to Use TSN HUB": 4
Other than the above: 0
{((Total number of points of "RX setting") + (Total number of points of "RY setting"))/8 + ((Total number of points of "RWr setting") +
(Total number of points of "RWw setting"))  2}  5 + (Sn  3300)
However, if Total number of points of "RY setting" = Total number of points of "RX setting" = Total number of points of "RWr setting"
= Total number of points of "RWw setting" = 0, then p1 = 0.
+  Round up values of 
c p
Calculation formula
(The largest value in items No.1 to No.4) + No.5
(No.1 + (the value in No.2 or No.3, whichever is larger), or the value in No.4,
whichever is larger) + No.5 + No.6
*1
*2
to be used as the maximum number of link points
*2
to be used as the maximum number of link points
and  that are less than 1 s.
c p