Mitsubishi Electric MELSEC iQ-R Series User Manual page 301

Unicast mode (100Mbps)
■Calculation formula
Communication cycle interval [ns] = 
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
cycle 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
*1
No. Calculation formula
1 A1+A2 A1: {(42n1)+(16n2)+ndm}80+(Sn-1)5150+14000+nh+nrp
A2: {(42en1)+(16en2)+endm}80
2 B1+B2 B1: {(42n3)+(20n4)+nds}80+14000+nh+nrp
B2: {(42en3)+(20en4)+ends}80
3 C1+C2 C1: {(42n5)+(20n6)+ndl}80+(Sn-1)5150+14000+nh+nrp
C2: {(42en5)+(20en6)+ndl}80
4 Dn7 D: (Sn-1)5150+187440
5 The largest value among the maximum response times during the time-managed polling of the CC-Link IE TSN Class A slave stations set in the basic
cycle or medium speed cycle
*1 The symbols in the table are as follows.
A1, B1, C1: Main module calculation formula
A2, B2, C2: Extension module calculation formula
For the maximum response time for time-managed polling for the slave stations, refer to the user's manual for
the slave station used.
• 
: The calculation formula is as follows.
sc
Calculation formula
{(42  sn3)+(20  sn4)+sndm}  80
Cyclic processing time [ns] = 
• 
: p1+p2+p3+kp+kuu
p
• 
: p4
sp
■Variable
For each variable to be used, round it up to one decimal point before assigning to the calculation formula.
Name of variable Description
(ndm + (16  n2))/1488 or Sn, whichever is larger
n1
Sn  (RYb + RWwb) + Ln  (LBmb + LWmb)
n2
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) +
ndm
((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
The number of connections of "Safety Communication Setting" in "Basic Settings" set in the master station  80
sndm
Sn Number of slave stations
SSn Number of slave stations using safety communications
Ln Number of local stations
Switching hub delay time  Number of switching hubs connected to the network
nh
Switching hub delay time: 160000
+  +  +  . Round up values of 
c p sc sp
+ 
c sc
+ 
or 340000, whichever is larger.
p sp
*1
,  ,  , and 
c p sc
Calculation formula
The largest value in items No.1 to No.3 + No.4
No.1 + (the value in No.2 or No.3, whichever is larger) + No.4 + No.5
that are less than 1s.
sp
APPX
Appendix 7 Processing Time
A
299