Mitsubishi Electric Q80BD-J61BT11N, User Manual

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App - 31 App - 31
MELSEC
APPENDIX
(Example) Using the following system configuration example when the
transmission rate is 10 Mbps (assuming that there is no faulty station
or transient transmission.)
Master
station
Remote
I/O station
Remote
I/O station
Remote
device station
Intelligent
device station
Local
station
1: Occupies 1 station 2: Occupies 2 stations 3: Occupies 4 stations
Station
number 1
1
Station
number 2
2
Station
number 4
3
Station
number 12
1
Station
number 8
3
BT = 0.8 ST = 2000
NI = 12 16 1) 800 + (2 15) = 830
NW = 11 16 2) 900 + (2 50) = 1000
N = 5 3) 1200 + (8 100) = 2000
ni = 12 a = 2, b = 2, c = 8
nw = 10
LS = 0.8 {29.4 + (16 4.8) + (16 9.6) + (5 32.4) + (12 4.8)
+ (10 9.6)} + 2000
= 2556.2 [µs]
= 2.56 [ms]