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4.5.1 Precautions for handling the CC-Link dedicated cables.................................................................. 4- 8
4.5.2 Connection of the CC-Link dedicated cables................................................................................... 4- 8
4.5.3 Connection with external device....................................................................................................... 4- 9
4.6 Checking the module’s state (Hardware test) ........................................................................................ 4- 11
5. PRELIMINARY INFORMATION 5- 1 to 5- 46
5.1 System used in this manual..................................................................................................................... 5- 1
5.2 Programming Precautions ....................................................................................................................... 5- 3
5.2.1 About bank changing of the A series master module ...................................................................... 5- 3
5.2.2 About dedicated commands for use of the buffer memory automatic update function .................. 5- 5
5.3 Program basic format............................................................................................................................... 5- 6
5.4 Initializing the master station.................................................................................................................... 5- 9
5.5 Initializing the R2..................................................................................................................................... 5- 12
5.5.1 Using the buffer memory automatic update function ...................................................................... 5- 12
5.5.2 Using the transmission/reception buffer ..........................................................................................5- 15
5.6 Reading and writing the buffer memory (using the buffer memory automatic update function) .......... 5- 18
5.6.1 Outline............................................................................................................................................... 5- 18
5.6.2 Understanding the roles of each area ............................................................................................. 5- 19
5.7 Reading and writing the buffer memory (using the transmission/reception buffer) .............................. 5- 28
5.7.1 Outline............................................................................................................................................... 5- 28
5.7.2 About control data ............................................................................................................................ 5- 29
5.7.3 Reading the R2 buffer memory........................................................................................................5- 40
5.7.4 Writing to the R2 buffer memory......................................................................................................5- 43
6. EXCHANGING DATA WITH AN EXTERNAL DEVICE 6- 1 to 6- 30
6.1 Matters to understand before transmitting data ...................................................................................... 6- 1
6.2 Matters to know before receiving data .................................................................................................... 6- 5
6.3 Exchanging data using the buffer memory automatic update function ..................................................6- 9
6.3.1 Transmitting data to an external device .......................................................................................... 6- 9
6.3.2 Receiving data from an external device .......................................................................................... 6- 14
6.4 Exchanging data using the transmission/reception buffer.....................................................................6- 18
6.4.1 Transmitting data to an external device .......................................................................................... 6- 18
6.4.2 Receiving data from an external device .......................................................................................... 6- 24
7. USING FRAMES WHEN EXCHANGING DATA 7- 1 to 7- 38
7.1 What are frames?..................................................................................................................................... 7- 1
7.2 Transmitting data using frames ............................................................................................................... 7- 2
7.2.1 Transmitting using transmission frame 1 area ................................................................................. 7- 2
7.2.2 Transmitting using the transmission frame 2 area ........................................................................... 7- 4
7.3 Receiving data using frames ................................................................................................................... 7- 6
7.3.1 Reception data .................................................................................................................................. 7- 8
7.3.2 Reading the reception data.............................................................................................................. 7- 10
7.4 Transmitting data at the device and status change ............................................................................... 7- 13
7.4.1 Outline............................................................................................................................................... 7- 13
7.4.2 Devices and statuses that can be designated................................................................................. 7- 14
7.4.3 Setting the R2 buffer memory.......................................................................................................... 7- 15