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: {(42n1)+(16n2)+ndm}80+(Sn-1)5150+14000+nh+nrp
A2: {(42en1)+(16en2)+endm}80
2
B1+B2
B1: {(42n3)+(20n4)+nds}80+14000+nh+nrp
B2: {(42en3)+(20en4)+ends}80
3
C1+C2
C1: {(42n5)+(20n6)+ndl}80+(Sn-1)5150+14000+nh+nrp
C2: {(42en5)+(20en6)+ndl}80
4
Dn7
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 1s.
sp
APPX
Appendix 7 Processing Time
A
299