Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 225

Q corresponding melsecnet/h network system
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7
APPLICATION FUNCTIONS
7 APPLICATION FUNCTIONS
When applying any of the program examples introduced in this chapter to the actual
system, verify the applicability and confirm that no problems will occur in the system
control.
Chapter 3
Basic
Cyclic transmission function
functions
(Periodical communication)
RAS function
Chapter 7
Application
Direct access to link devices
functions
Cyclic transmission function
(Periodical communication)
Transient transmission function
(Non-periodical communication)
Clock setting to stations on a network using GX Developer
Starting interrupt sequence program
Multiplex transmission function (optical loop system)
Simple dual-structured network
Stopping/restarting of cyclic transmission and stopping link refresh (network test)
Increasing number of send points by installing multiple modules with the same network number
Redundant system function
Network diagnostic (network monitor)
7 - 1
Communication using LB/LW
Communication using LX/LY
Automatic return function
Control station switch function
Control station return control function
Loopback function (optical loop system)
Prevention of station failure by using external
power supply (Optical loop system)
Station detach function (coaxial bus system,
and twisted bus system)
Transient transmission enabled even at CPU
module error
Checking transient transmission abnormal
detection time
Diagnostic function
Inter-link data transfer function
Low-speed cyclic transmission
Communication function
Routing function
Group function
Message sending function using logical channel numbers
Data sending/receiving (SEND/RECV)
Other station word device read/write
(READ/SREAD/WRITE/SWRITE)
Other station transient request (REQ)
Other station word device read/write (ZNRD/ZNWR)
Remote RUN/Remote STOP (RRUN/RSTOP)
Reading and writing other station CPU module's
clock data (RTMRD/RTMWR)
Message receiving "1 scan completion" (RECVS)
Pairing setting
Redundant settings
System switching request function
MELSEC-Q
Section 3.2.1 (1)
Section 3.2.1 (2)
Section 3.2.2 (1)
Section 3.2.2 (2)
Section 3.2.2 (3)
Section 3.2.2 (4)
Section 3.2.2 (5)
Section 3.2.2 (6)
Section 3.2.2 (7)
Section 3.2.2 (8)
Section 3.2.2 (9)
Section 7.1
Section 7.2
Section 7.3
Section 7.4.1
Section 7.4.2
Section 7.4.3
Section 7.4.4
7
Section 7.4.5 (1)
Section 7.4.5 (2)
Section 7.4.5 (3)
Section 7.4.5 (4)
Section 7.4.5 (5)
Section 7.4.5 (6)
Section 7.4.6
Section 7.5
Section 7.6
Section 7.7
Section 7.8
Section 7.9
Section 7.10.3
Section 7.10.4
Section 7.10.5
Section 8.1
7 - 1

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