Chapter: 10 Description for Computer Link Operation
When connected to a host computer with a network module that is compatible with the
10-1 Computer link function
The host computer communicates with each station number one by one. On the computer link, the host computer can communicate with any required station regardless of whether it is the master or slave station.
(1)The host computer instructs station number/communication contents/memory address/data etc. of the communicating station as a "command."
(2)The "command" receiving station processes this data and returns the result as "response."
(System example)
Master station (00) | Slave station 01(8) | Slave station 02(8) | Slave station 03(8) | ||||||||||
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Command
Response
Host computer
In order to use the computer link function above, the host computer needs program application software. For programming this software, see the instruction manual attached with the network module.
Computer link commands of the
[1] Basic commands | 10 |
Commands mainly used with PCs.
These commands are the functions used to read and write relays and registers. The
Reference
The 47 and 57 family:
[2] Optional commands
Commands other than the basic commands. These are individual commands specific to each device. See page