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8.1 Program Example of Single Network System
8.1.3 Program example of cyclic transmission
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PROGRAMMING
(2) Devices used in program example
(a) Devices used by control station (No. 1)
1) Link special relay (SB) and link special register (SW)
2) Devices used by the user
(b) Devices used by normal station (No. 2)
1) Link special relay (SB) and link special register (SW)
2) Devices used by the user
Table 8.1 Devices (SB/SW) used by control station (No. 1)
Device
Description
Device
Description
SB0049
Data link status of own station
SW00B0.1
Cyclic transmission status of station No. 2
Table 8.2 Devices used at control station (No. 1) (used by user)
Device
Description
Device
Description
M300
Send request
D0
Data storage source for W0
M310
Communication condition flag (for station No. 2)
N0
Nesting (for station No. 2)
Table 8.3 Devices (SB/SW) used by normal station (No. 2)
Device
Description
Device
Description
SB0049
Data link status of own station
SW00B0.0
Cyclic transmission status of station No. 1
Table 8.4 Devices used at normal station (No. 2) (used by user)
Device
Description
Device
Description
Y50 to Y5F
Value indication area of W0
N0
Nesting (for station No. 1)
M311
Communication condition flag (for station No. 1)
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