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MELSEC
4 FUNCTIONS
4.2 Basic Functions
This section explains the basic functions of the CC-Link Ver.2 board.
4.2.1 Communication with remote I/O stations
The following explains an overview of the communication between the master station
and a remote I/O station. In the communication with the remote I/O station, the on/off
information of the switches and indicator lamps are communicated via the remote input
RX and remote output RY.
Link scan
Link scan
Read
Input
Output
mdReceive
mdSend
Remote input
RX
Remote output
RY
Network
parameters
1)
3)
4)
2)
5)
Personal computer
Master station
Remote I/O station
Write
CC-Link Ver.2 board
Program
[Data link startup]
1) When the personal computer is powered on, the CC-Link system starts up in
accordance with the network parameters set by the CC-Link Ver.2 utility.
Summary of Contents for Q80BD-J61BT11N
Page 2: ......
Page 34: ...1 10 1 10 MELSEC 1 OVERVIEW MEMO ...
Page 54: ...3 12 3 12 MELSEC 3 SPECIFICATIONS MEMO ...
Page 124: ...5 16 5 16 MELSEC 5 PROCEDURE BEFORE STARTING THE DATA LINK MEMO ...
Page 160: ...9 2 9 2 MELSEC 9 MELSEC DATA LINK LIBRARY MEMO 9 ...
Page 200: ...12 16 12 16 MELSEC 12 COMMUNICATION BETWEEN THE MASTER STATION AND LOCAL STATIONS MEMO ...
Page 355: ...App 93 App 93 MELSEC APPENDIX MEMO ...
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