Mitsubishi MELSEC-Q Series User Manual page 109

5 DATA LINK PROCESSING TIME
5
5 - 2
TR: Transient processing time (only when a transient request is made)
When there is a transient request from the master station
180 BT
When there is a transient request from the local station
40.8 BT
(Example) Using the following system configuration when the transmission rate is
10 Mbps (assuming that there is no faulty station or transient
transmission.)
Station
number 1 number 2
1
Master
Remote
station
I/O station device station
1: (occupies 1 station)
BT = 0.8 ST = 2300
NI = 12 16 1) 800 + (12
NW = 11 16 2) 900 + (3
N = 5 3) 1200 + (8
ni = 12 A = 12, B = 3, C = 11
nw = 10
LS = 0.8 {27 + (16 4.8) + (16
2300
= 2748.8 [µ s]
= 2.75 [ms]
number of transient transmission stations
Station Station
number 4
2
Remote Intelligent
device station
2: (occupies 2 stations) 3: (occupies 4 stations)
15) = 980
50) = 1050
100) = 2300
9.6) + (5 30) + (12
MELSEC-Q
Station
number 8
3
Station
number 12
3
Local
Remote
station
I/O station
4.8) + (10 9.6)} +
5 - 2
1