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MELSEC
4 FUNCTIONS
4 FUNCTIONS
This chapter explains the functions of the CC-Link Ver.2 board, dividing them into four
sections: "Basic Functions," "Functions for Improving System Reliability," "Useful
Functions" and "Transient Transmission Function."
4.1 Function List
(1) Table 4.1 lists the basic functions.
Table 4.1 List of the basic functions
Item Description
Reference
section
Communication with remote
I/O station
Performs the communication of on/off information with remote
I/O station.
Section 4.2.1
Communication with remote
device station
Performs the communication of on/off information and
numeric data with remote device station.
Section 4.2.2
Communication with local
station
Performs the communication of on/off information and
numeric data with local station.
Section 4.2.3
Communication with
intelligent device station
Performs communication with intelligent device station via
cyclic transmission and transient transmission.
Section 4.2.4
(2) Table 4.2 lists the functions for improving system reliability.
Table 4.2 List of the functions for improving system reliability
Item Description
Reference
section
Slave station disconnect
function
Disconnects modules that cannot continue data link because
of power off, etc, and continues the data link with only the
normal modules.
Section 4.3.1
Auto return function
When a module, which has been disconnected from data link
because of power off, etc, returns to the normal status, it
automatically joins the data link.
Section 4.3.2
Input data status setting
from data link faulty station
Sets the status (clear/latch) of the input (reception) data from
a station that became data link faulty because of power off,
etc.
Section 4.3.3
Standby master function
Continues data link by switching to the standby master station
when a problem occurs in the master station.
Section 4.3.4
Driver WDT function
Monitors the operation of the software (operating system,
driver) inside the hardware.
Section 4.3.5
Station-based block data
assurance function
Prevent separation of cyclic data to new data and old data.
Section 4.3.6
4
Summary of Contents for Q80BD-J61BT11N
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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 ...
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