Mitsubishi QJ71LP21 Reference Manual page 153

6 PROGRAMMING
No. Name
1
SW0074
(116)/
SW0075 Cyclic transmission
(117)/ status of each
W0076 station
(118)/
SW0077
(119)
1: Valid only when SB0047 is off. When it turns on (error), the last data are retained.
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Description
Stores the cyclic transmission status of each station (including the
host).
0: Executing cyclic transmission (including the station with the
maximum station number and smaller number as well as
reserved stations)
1: Cyclic transmission not executed
b15 b14 b13 b12
SW0074
16 15 14 13
SW0075 32 31 30 29
SW0076
48 47 46 45
SW0077 64 63 62 61
to b4 b3 b2 b1 b0
to 5 4 3 2 1
to 21 20 19 18 17
34
to 37 36 35 33
to 53 52 51 50 49
Numbers 1 to 64 in the above table
indicate the station numbers.
[Availability column] Optical: optical loop, Coaxial: coaxial bus
Use permitted/prohibited
Remote
Control Normal
station station
Optical Coaxial Optical Coaxial Optical Coaxial Optical Coaxial
: Available, : Not available
MELSEC-Q
Remote I/O
master
station
station
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