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10
PROGRAMMING USING MELSEC DATA LINK
FUNCTIONS
10.13 Accessible Ranges and Devices of the MELSEC Data Link
Function
This section explains accessible ranges and devices for the following accesses.
Bus
CC-Link
MELSECNET/H
CC-Link IE Controller Network
10.13.1
(1) Accessible range
(2) Accessible devices
Access route
Access via a bus
Via a bus connection, access to the following is allowed.
• Own station (Own station (C Controller module))
• Other station (Programmable controller CPU or C Controller module)
(programmable controller CPU
or C Controller module)
(a) How to read the table
1) Batch and random of devices
Item in the table
Batch
Random
10.13 Accessible Ranges and Devices of the MELSEC Data Link Function
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Table 10.13 Access list
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Other CPU
Own CPU
(own station (C Controller module))
CPU
CPU
CPU
No.1
No.2
No.3
Figure 10.6 Range accessible via a bus
Table 10.14 Batch and random
•Batch write (mdSend, mdSendEx functions)
•Batch read (mdReceive, mdReceiveEx functions)
•Random write (mdRandW, mdRandWEx functions)
•Random read (mdRandR, mdRandREx functions)
•Bit set (mdDevSet, mdDevSetEx functions)
Only bit devices can access.
•Bit reset (mdDevRst, mdDevRstEx functions)
Only bit devices can access.
10.13.1 Access via a bus
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Reference page
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Page 10-23
Page 10-29
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Description
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