Mitsubishi Electric MELSEC iQ-R Series User Manual page 530

Unicast mode (1Gbps)
■Calculation formula
Communication cycle interval [ns] = 
1s.
Cyclic transmission time [ns] = 
• 
: This value varies depending on whether a CC-Link IE TSN Class A slave station with the basic cycle or normal speed
c
period exists or not.
Item
When a CC-Link IE TSN Class A slave station with the basic cycle
or normal speed cycle does not exist
When a CC-Link IE TSN Class A slave station with the basic cycle
or normal speed cycle exists
No. Calculation formula
A1: {(50  n1) + (16  n2) + ndm}  8 + (Sn-1)  830 + 14000 + nh + nrp
1 A1 + A2
A2: {(50  en1) + (16  en2) + endm}  8
B1: {(30  n1) + (16 n2) + ndm}  4 + (1661  n1) + (Sn-1)  830 + 14300 + nh + nrp
2 B1 + B2
B2: {(30  en1) + (16  en2) + endm}  4 + (1661  en1)
C1: {(50  n3) + (20  n4) + nds}  8 + 14000 + nh + nrp
3 C1 + C2
C2: {(50  en3) + (20  en4) + ends}  8
D1: {(50  n5) + (20  n6) + ndl}  8 + (Sn-1)  830 + 14000 + nh + nrp
4 D1 + D2
D2: {(50  en5) + (20  en6) + endl}  8
E  n7 E: (Sn-1)  830 + 39102
5
6 Largest value of the maximum response times for the time-managed polling method for CC-Link IE TSN Class A slave stations with "Basic Period" and
"Normal-Speed" set
*1 The symbols in the table are as follows.
A1, B1, C1, D1: Main module calculation formula
A2, B2, C2, D2: Extension module calculation formula
For details on the maximum response time for the time managed polling method of a slave station, refer to the
user's manual of the slave station used.
Cyclic processing time [ns] = 
• 
: p1 + p2 + p3 + kp + kuu
p
■Variable
For each variable to be used, round it up to one decimal point before assigning to the calculation formula.
Name of variable
n1
n2
ndm
Sn
Ln
nh
nrp
n3
APPX
528
Appendix 6 CC-Link IE TSN Processing Time
+ 
or 125000, whichever is larger Round up values of
c p
c
*1
p
Description
(ndm + (16  n2))/1488 or Sn, whichever is larger
Sn  (RYb + RWwb) + Ln  (LBmb + LWmb)
RYb: Value of (Total number of points of "RY setting" of main modules)/(11776  Sn) rounded up to the nearest integer
RWwb: Value of (Total number of points of "RWw setting" of main modules)/(736  Sn) rounded up to the nearest integer
LBmb: Value of (Number of points of "LB setting" set in the master station)/11776 rounded up to the nearest integer
LWmb: Value of (Number of points of "LW setting" set in the master station)/736 rounded up to the nearest integer
((Total number of points of "RY setting" of main modules)/8) + ((Total number of points of "RWw setting" of main modules)  2)
+ ((Number of points of "LB setting" set in the master station)/8)  Ln + ((Number of points of "LW setting" set in the master
station)  2)  Ln
Number of slave stations
Number of local stations
Switching hub delay time  Number of switching hubs connected to the network
Switching hub delay time: 50000
When "Network Topology" under " Basic Settings" is set to " Line/Star": 0
Sn  nhs
nhs: Value of (nds + (20  n4))/(1488  Sn) rounded up to the nearest integer
Calculation formula
(The largest value in items No.1 to No.4) + No.5
(No.1 or No.2, whichever is larger) + (No.3 or No.4, whichever is larger) + No.5 + No.6
*1
and 
that are less than
c p