Stopping/Restarting The Cyclic Transmission And Stopping Link Refreshing (Network Test) - Mitsubishi Electric Melsec QJ71LP21 Reference Manual

7 APPLICATION FUNCTIONS

7.8 Stopping/Restarting the Cyclic Transmission and Stopping Link Refreshing (Network Test)

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The cyclic transmission can be stopped or restarted using the "Network test" function
of GX Developer.
This function is useful for not receiving other station's data or for not sending the host's
data at system startup (when debugging), etc.
CPU module
B
Station No. 1 2) Link refresh
Station No. 2 2) Link refresh
2) Link refresh
Station No. 3
1) Stopping/restarting the cyclic transmission stops or restarts the data
receiving (link scan) between the network modules of the applicable
station. However, the data receiving (link refresh) between the CPU
module and network modules cannot be stopped or restarted by this
processing.
2) Execution using GX Developer
Through the network test, link startup, link stop and forced link startup
can be performed using GX Developer. For details of the network
testing methods, refer to the GX Developer Operating Manual.
Network module (station No. 2)
LB
Station No. 1 1) Link scan
Station No. 2 1) Link scan
Station No. 3
1) Link scan
MELSEC-Q
Other station
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